diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/exec.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/exec.js
new file mode 100644
index 000000000000..ef13f3794c65
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/exec.js
@@ -0,0 +1,126 @@
+class Foo {
+  static #x = 1;
+  static #m = function() { return this.#x; };
+  static #self = Foo;
+  static self = Foo;
+  static getSelf() { return this }
+
+  static test() {
+    const o = { Foo: Foo };
+    const deep = { very: { o } };
+    function fn() {
+      return o;
+    }
+    function fnDeep() {
+      return deep;
+    }
+
+    expect(Foo.#m?.()).toEqual(1);
+    expect(Foo.#m?.().toString).toEqual(1..toString);
+    expect(Foo.#m?.().toString()).toEqual('1');
+
+    expect(o?.Foo.#m?.()).toEqual(1);
+    expect(o?.Foo.#m?.().toString).toEqual(1..toString);
+    expect(o?.Foo.#m?.().toString()).toEqual('1');
+
+    expect(deep?.very.o?.Foo.#m?.()).toEqual(1);
+    expect(deep?.very.o?.Foo.#m?.().toString).toEqual(1..toString);
+    expect(deep?.very.o?.Foo.#m?.().toString()).toEqual('1');
+
+    expect(o?.Foo.#self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self.self?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.self?.self.#m?.()).toEqual(1);
+
+    expect(o?.Foo.#self.getSelf().#m?.()).toEqual(1);
+    expect(o?.Foo.#self.getSelf?.().#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf().#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf?.().#m?.()).toEqual(1);
+    expect(o?.Foo.#self.getSelf()?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self.getSelf?.()?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf()?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(1);
+
+    expect(fn?.().Foo.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#m?.().toString).toEqual(1..toString);
+    expect(fn?.().Foo.#m?.().toString()).toEqual('1');
+
+    expect(fnDeep?.().very.o?.Foo.#m?.()).toEqual(1);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString).toEqual(1..toString);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString()).toEqual('1');
+
+    expect(fn?.().Foo.#self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.self?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.self?.self.#m?.()).toEqual(1);
+
+    expect(fn?.().Foo.#self.getSelf().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.getSelf?.().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf?.().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.getSelf()?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.getSelf?.()?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf()?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(1);
+  }
+
+  static testNull() {
+    const o = null;;
+    const deep = { very: { o } };
+    const fn = null;
+    function fnDeep() {
+      return deep;
+    }
+
+    expect(o?.Foo.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#m?.().toString).toEqual(undefined);
+    expect(o?.Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(deep?.very.o?.Foo.#m?.()).toEqual(undefined);
+    expect(deep?.very.o?.Foo.#m?.().toString).toEqual(undefined);
+    expect(deep?.very.o?.Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(o?.Foo.#self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.self?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.self?.self.#m?.()).toEqual(undefined);
+
+    expect(o?.Foo.#self.getSelf().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.getSelf?.().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf?.().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.getSelf?.()?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(undefined);
+
+    expect(fn?.().Foo.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#m?.().toString).toEqual(undefined);
+    expect(fn?.().Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(fnDeep?.().very.o?.Foo.#m?.()).toEqual(undefined);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString).toEqual(undefined);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(fn?.().Foo.#self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.self?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.self?.self.#m?.()).toEqual(undefined);
+
+    expect(fn?.().Foo.#self.getSelf().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.getSelf?.().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf?.().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.getSelf?.()?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(undefined);
+  }
+}
+
+Foo.test();
+// Foo.testNull();
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/input.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/input.js
new file mode 100644
index 000000000000..42d692812e9a
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/input.js
@@ -0,0 +1,74 @@
+class Foo {
+  static #x = 1;
+  static #m = function() { return this.#x; };
+  static #self = Foo;
+  static self = Foo;
+  static getSelf() { return this }
+
+  static test() {
+    const o = { Foo: Foo };
+    const deep = { very: { o } };
+    function fn() {
+      return o;
+    }
+    function fnDeep() {
+      return deep;
+    }
+
+    Foo.#m?.();
+    Foo.#m?.().toString;
+    Foo.#m?.().toString();
+
+    o?.Foo.#m?.();
+    o?.Foo.#m?.().toString;
+    o?.Foo.#m?.().toString();
+
+    deep?.very.o?.Foo.#m?.();
+    deep?.very.o?.Foo.#m?.().toString;
+    deep?.very.o?.Foo.#m?.().toString();
+
+    o?.Foo.#self.#m?.();
+    o?.Foo.#self.self.#m?.();
+    o?.Foo.#self?.self.#m?.();
+    o?.Foo.#self.self?.self.#m?.();
+    o?.Foo.#self?.self?.self.#m?.();
+
+    o?.Foo.#self.getSelf().#m?.();
+    o?.Foo.#self.getSelf?.().#m?.();
+    o?.Foo.#self?.getSelf().#m?.();
+    o?.Foo.#self?.getSelf?.().#m?.();
+    o?.Foo.#self.getSelf()?.self.#m?.();
+    o?.Foo.#self.getSelf?.()?.self.#m?.();
+    o?.Foo.#self?.getSelf()?.self.#m?.();
+    o?.Foo.#self?.getSelf?.()?.self.#m?.();
+
+    fn?.().Foo.#m?.();
+    fn?.().Foo.#m?.().toString;
+    fn?.().Foo.#m?.().toString();
+
+    fnDeep?.().very.o?.Foo.#m?.();
+    fnDeep?.().very.o?.Foo.#m?.().toString;
+    fnDeep?.().very.o?.Foo.#m?.().toString();
+
+    fn?.().Foo.#self.#m?.();
+    fn?.().Foo.#self.self.#m?.();
+    fn?.().Foo.#self?.self.#m?.();
+    fn?.().Foo.#self.self?.self.#m?.();
+    fn?.().Foo.#self?.self?.self.#m?.();
+
+    fn?.().Foo.#self.getSelf().#m?.();
+    fn?.().Foo.#self.getSelf?.().#m?.();
+    fn?.().Foo.#self?.getSelf().#m?.();
+    fn?.().Foo.#self?.getSelf?.().#m?.();
+    fn?.().Foo.#self.getSelf()?.self.#m?.();
+    fn?.().Foo.#self.getSelf?.()?.self.#m?.();
+    fn?.().Foo.#self?.getSelf()?.self.#m?.();
+    fn?.().Foo.#self?.getSelf?.()?.self.#m?.();
+  }
+
+  static testtest() {
+    fn?.().Foo.#self.getSelf?.().#m?.();
+  }
+}
+
+Foo.test();
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/options.json
new file mode 100644
index 000000000000..63b4c77cc8e8
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["proposal-optional-chaining", "proposal-class-properties"]
+}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/output.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/output.js
new file mode 100644
index 000000000000..3eb9ff618c8a
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call-with-transform/output.js
@@ -0,0 +1,128 @@
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+function _classStaticPrivateFieldSpecGet(receiver, classConstructor, descriptor) { if (receiver !== classConstructor) { throw new TypeError("Private static access of wrong provenance"); } if (descriptor.get) { return descriptor.get.call(receiver); } return descriptor.value; }
+
+class Foo {
+  static getSelf() {
+    return this;
+  }
+
+  static test() {
+    var _o$Foo, _o$Foo2, _o$Foo3, _deep$very$o, _deep$very$o$Foo, _deep$very$o2, _deep$very$o2$Foo, _deep$very$o3, _deep$very$o3$Foo, _classStaticPrivateFi, _classStaticPrivateFi2, _ref, _ref$self, _ref2, _ref2$self, _self2, _self2$self, _classStaticPrivateFi3, _classStaticPrivateFi4, _ref3, _ref3$call, _ref4, _ref4$getSelf, _getSelf, _ref5, _getSelf$call, _ref6, _ref6$self, _classStaticPrivateFi5, _call, _call$self, _getSelf2, _getSelf2$self, _getSelf3, _getSelf3$self, _fn$Foo, _fn$Foo2, _fn$Foo3, _fnDeep$very$o, _fnDeep$very$o$Foo, _fnDeep$very$o2, _fnDeep$very$o2$Foo, _fnDeep$very$o3, _fnDeep$very$o3$Foo, _classStaticPrivateFi6, _classStaticPrivateFi7, _ref7, _ref7$self, _ref8, _ref8$self, _self3, _self3$self, _classStaticPrivateFi8, _classStaticPrivateFi9, _ref9, _ref9$call, _ref10, _ref10$getSelf, _getSelf4, _ref11, _getSelf4$call, _ref12, _ref12$self, _classStaticPrivateFi10, _call2, _call2$self, _getSelf5, _getSelf5$self, _getSelf6, _getSelf6$self;
+
+    const o = {
+      Foo: Foo
+    };
+    const deep = {
+      very: {
+        o
+      }
+    };
+
+    function fn() {
+      return o;
+    }
+
+    function fnDeep() {
+      return deep;
+    }
+
+    _classStaticPrivateFieldSpecGet(Foo, Foo, _m)?.();
+    _classStaticPrivateFieldSpecGet(Foo, Foo, _m)?.().toString;
+    _classStaticPrivateFieldSpecGet(Foo, Foo, _m)?.().toString();
+
+    _classStaticPrivateFieldSpecGet(_o$Foo = o.Foo, Foo, _m).call(_o$Foo);
+
+    _classStaticPrivateFieldSpecGet(_o$Foo2 = o.Foo, Foo, _m).call(_o$Foo2).toString;
+    _classStaticPrivateFieldSpecGet(_o$Foo3 = o.Foo, Foo, _m).call(_o$Foo3).toString();
+
+    _classStaticPrivateFieldSpecGet(_deep$very$o$Foo = _deep$very$o.Foo, Foo, _m).call(_deep$very$o$Foo);
+
+    _classStaticPrivateFieldSpecGet(_deep$very$o2$Foo = _deep$very$o2.Foo, Foo, _m).call(_deep$very$o2$Foo).toString;
+    _classStaticPrivateFieldSpecGet(_deep$very$o3$Foo = _deep$very$o3.Foo, Foo, _m).call(_deep$very$o3$Foo).toString();
+    (o === null || o === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi = _classStaticPrivateFieldSpecGet(o.Foo, Foo, _self), Foo, _m))?.call(_classStaticPrivateFi);
+    (o === null || o === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi2 = _classStaticPrivateFieldSpecGet(o.Foo, Foo, _self).self, Foo, _m))?.call(_classStaticPrivateFi2);
+
+    _classStaticPrivateFieldSpecGet(_ref$self = _ref.self, Foo, _m).call(_ref$self);
+
+    _classStaticPrivateFieldSpecGet(_ref2$self = _ref2.self, Foo, _m).call(_ref2$self);
+
+    _classStaticPrivateFieldSpecGet(_self2$self = _self2.self, Foo, _m).call(_self2$self);
+
+    (o === null || o === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi3 = _classStaticPrivateFieldSpecGet(o.Foo, Foo, _self).getSelf(), Foo, _m))?.call(_classStaticPrivateFi3);
+
+    _classStaticPrivateFieldSpecGet(_ref3$call = _ref3.call(_classStaticPrivateFi4), Foo, _m).call(_ref3$call);
+
+    _classStaticPrivateFieldSpecGet(_ref4$getSelf = _ref4.getSelf(), Foo, _m).call(_ref4$getSelf);
+
+    _classStaticPrivateFieldSpecGet(_getSelf$call = _getSelf.call(_ref5), Foo, _m).call(_getSelf$call);
+
+    _classStaticPrivateFieldSpecGet(_ref6$self = _ref6.self, Foo, _m).call(_ref6$self);
+
+    _classStaticPrivateFieldSpecGet(_call$self = _call.self, Foo, _m).call(_call$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf2$self = _getSelf2.self, Foo, _m).call(_getSelf2$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf3$self = _getSelf3.self, Foo, _m).call(_getSelf3$self);
+
+    _classStaticPrivateFieldSpecGet(_fn$Foo = fn().Foo, Foo, _m).call(_fn$Foo);
+
+    _classStaticPrivateFieldSpecGet(_fn$Foo2 = fn().Foo, Foo, _m).call(_fn$Foo2).toString;
+    _classStaticPrivateFieldSpecGet(_fn$Foo3 = fn().Foo, Foo, _m).call(_fn$Foo3).toString();
+
+    _classStaticPrivateFieldSpecGet(_fnDeep$very$o$Foo = _fnDeep$very$o.Foo, Foo, _m).call(_fnDeep$very$o$Foo);
+
+    _classStaticPrivateFieldSpecGet(_fnDeep$very$o2$Foo = _fnDeep$very$o2.Foo, Foo, _m).call(_fnDeep$very$o2$Foo).toString;
+    _classStaticPrivateFieldSpecGet(_fnDeep$very$o3$Foo = _fnDeep$very$o3.Foo, Foo, _m).call(_fnDeep$very$o3$Foo).toString();
+    (fn === null || fn === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi6 = _classStaticPrivateFieldSpecGet(fn().Foo, Foo, _self), Foo, _m))?.call(_classStaticPrivateFi6);
+    (fn === null || fn === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi7 = _classStaticPrivateFieldSpecGet(fn().Foo, Foo, _self).self, Foo, _m))?.call(_classStaticPrivateFi7);
+
+    _classStaticPrivateFieldSpecGet(_ref7$self = _ref7.self, Foo, _m).call(_ref7$self);
+
+    _classStaticPrivateFieldSpecGet(_ref8$self = _ref8.self, Foo, _m).call(_ref8$self);
+
+    _classStaticPrivateFieldSpecGet(_self3$self = _self3.self, Foo, _m).call(_self3$self);
+
+    (fn === null || fn === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi8 = _classStaticPrivateFieldSpecGet(fn().Foo, Foo, _self).getSelf(), Foo, _m))?.call(_classStaticPrivateFi8);
+
+    _classStaticPrivateFieldSpecGet(_ref9$call = _ref9.call(_classStaticPrivateFi9), Foo, _m).call(_ref9$call);
+
+    _classStaticPrivateFieldSpecGet(_ref10$getSelf = _ref10.getSelf(), Foo, _m).call(_ref10$getSelf);
+
+    _classStaticPrivateFieldSpecGet(_getSelf4$call = _getSelf4.call(_ref11), Foo, _m).call(_getSelf4$call);
+
+    _classStaticPrivateFieldSpecGet(_ref12$self = _ref12.self, Foo, _m).call(_ref12$self);
+
+    _classStaticPrivateFieldSpecGet(_call2$self = _call2.self, Foo, _m).call(_call2$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf5$self = _getSelf5.self, Foo, _m).call(_getSelf5$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf6$self = _getSelf6.self, Foo, _m).call(_getSelf6$self);
+  }
+
+  static testtest() {
+    var _fn, _classStaticPrivateFi11, _ref13, _ref13$call;
+
+    _classStaticPrivateFieldSpecGet(_ref13$call = _ref13.call(_classStaticPrivateFi11), Foo, _m).call(_ref13$call);
+  }
+
+}
+
+var _x = {
+  writable: true,
+  value: 1
+};
+var _m = {
+  writable: true,
+  value: function () {
+    return _classStaticPrivateFieldSpecGet(this, Foo, _x);
+  }
+};
+var _self = {
+  writable: true,
+  value: Foo
+};
+
+_defineProperty(Foo, "self", Foo);
+
+Foo.test();
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/exec.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/exec.js
new file mode 100644
index 000000000000..ef13f3794c65
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/exec.js
@@ -0,0 +1,126 @@
+class Foo {
+  static #x = 1;
+  static #m = function() { return this.#x; };
+  static #self = Foo;
+  static self = Foo;
+  static getSelf() { return this }
+
+  static test() {
+    const o = { Foo: Foo };
+    const deep = { very: { o } };
+    function fn() {
+      return o;
+    }
+    function fnDeep() {
+      return deep;
+    }
+
+    expect(Foo.#m?.()).toEqual(1);
+    expect(Foo.#m?.().toString).toEqual(1..toString);
+    expect(Foo.#m?.().toString()).toEqual('1');
+
+    expect(o?.Foo.#m?.()).toEqual(1);
+    expect(o?.Foo.#m?.().toString).toEqual(1..toString);
+    expect(o?.Foo.#m?.().toString()).toEqual('1');
+
+    expect(deep?.very.o?.Foo.#m?.()).toEqual(1);
+    expect(deep?.very.o?.Foo.#m?.().toString).toEqual(1..toString);
+    expect(deep?.very.o?.Foo.#m?.().toString()).toEqual('1');
+
+    expect(o?.Foo.#self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self.self?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.self?.self.#m?.()).toEqual(1);
+
+    expect(o?.Foo.#self.getSelf().#m?.()).toEqual(1);
+    expect(o?.Foo.#self.getSelf?.().#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf().#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf?.().#m?.()).toEqual(1);
+    expect(o?.Foo.#self.getSelf()?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self.getSelf?.()?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf()?.self.#m?.()).toEqual(1);
+    expect(o?.Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(1);
+
+    expect(fn?.().Foo.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#m?.().toString).toEqual(1..toString);
+    expect(fn?.().Foo.#m?.().toString()).toEqual('1');
+
+    expect(fnDeep?.().very.o?.Foo.#m?.()).toEqual(1);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString).toEqual(1..toString);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString()).toEqual('1');
+
+    expect(fn?.().Foo.#self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.self?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.self?.self.#m?.()).toEqual(1);
+
+    expect(fn?.().Foo.#self.getSelf().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.getSelf?.().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf?.().#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.getSelf()?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self.getSelf?.()?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf()?.self.#m?.()).toEqual(1);
+    expect(fn?.().Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(1);
+  }
+
+  static testNull() {
+    const o = null;;
+    const deep = { very: { o } };
+    const fn = null;
+    function fnDeep() {
+      return deep;
+    }
+
+    expect(o?.Foo.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#m?.().toString).toEqual(undefined);
+    expect(o?.Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(deep?.very.o?.Foo.#m?.()).toEqual(undefined);
+    expect(deep?.very.o?.Foo.#m?.().toString).toEqual(undefined);
+    expect(deep?.very.o?.Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(o?.Foo.#self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.self?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.self?.self.#m?.()).toEqual(undefined);
+
+    expect(o?.Foo.#self.getSelf().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.getSelf?.().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf?.().#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self.getSelf?.()?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(o?.Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(undefined);
+
+    expect(fn?.().Foo.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#m?.().toString).toEqual(undefined);
+    expect(fn?.().Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(fnDeep?.().very.o?.Foo.#m?.()).toEqual(undefined);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString).toEqual(undefined);
+    expect(fnDeep?.().very.o?.Foo.#m?.().toString()).toEqual(undefined);
+
+    expect(fn?.().Foo.#self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.self?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.self?.self.#m?.()).toEqual(undefined);
+
+    expect(fn?.().Foo.#self.getSelf().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.getSelf?.().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf?.().#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self.getSelf?.()?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf()?.self.#m?.()).toEqual(undefined);
+    expect(fn?.().Foo.#self?.getSelf?.()?.self.#m?.()).toEqual(undefined);
+  }
+}
+
+Foo.test();
+// Foo.testNull();
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/input.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/input.js
new file mode 100644
index 000000000000..42d692812e9a
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/input.js
@@ -0,0 +1,74 @@
+class Foo {
+  static #x = 1;
+  static #m = function() { return this.#x; };
+  static #self = Foo;
+  static self = Foo;
+  static getSelf() { return this }
+
+  static test() {
+    const o = { Foo: Foo };
+    const deep = { very: { o } };
+    function fn() {
+      return o;
+    }
+    function fnDeep() {
+      return deep;
+    }
+
+    Foo.#m?.();
+    Foo.#m?.().toString;
+    Foo.#m?.().toString();
+
+    o?.Foo.#m?.();
+    o?.Foo.#m?.().toString;
+    o?.Foo.#m?.().toString();
+
+    deep?.very.o?.Foo.#m?.();
+    deep?.very.o?.Foo.#m?.().toString;
+    deep?.very.o?.Foo.#m?.().toString();
+
+    o?.Foo.#self.#m?.();
+    o?.Foo.#self.self.#m?.();
+    o?.Foo.#self?.self.#m?.();
+    o?.Foo.#self.self?.self.#m?.();
+    o?.Foo.#self?.self?.self.#m?.();
+
+    o?.Foo.#self.getSelf().#m?.();
+    o?.Foo.#self.getSelf?.().#m?.();
+    o?.Foo.#self?.getSelf().#m?.();
+    o?.Foo.#self?.getSelf?.().#m?.();
+    o?.Foo.#self.getSelf()?.self.#m?.();
+    o?.Foo.#self.getSelf?.()?.self.#m?.();
+    o?.Foo.#self?.getSelf()?.self.#m?.();
+    o?.Foo.#self?.getSelf?.()?.self.#m?.();
+
+    fn?.().Foo.#m?.();
+    fn?.().Foo.#m?.().toString;
+    fn?.().Foo.#m?.().toString();
+
+    fnDeep?.().very.o?.Foo.#m?.();
+    fnDeep?.().very.o?.Foo.#m?.().toString;
+    fnDeep?.().very.o?.Foo.#m?.().toString();
+
+    fn?.().Foo.#self.#m?.();
+    fn?.().Foo.#self.self.#m?.();
+    fn?.().Foo.#self?.self.#m?.();
+    fn?.().Foo.#self.self?.self.#m?.();
+    fn?.().Foo.#self?.self?.self.#m?.();
+
+    fn?.().Foo.#self.getSelf().#m?.();
+    fn?.().Foo.#self.getSelf?.().#m?.();
+    fn?.().Foo.#self?.getSelf().#m?.();
+    fn?.().Foo.#self?.getSelf?.().#m?.();
+    fn?.().Foo.#self.getSelf()?.self.#m?.();
+    fn?.().Foo.#self.getSelf?.()?.self.#m?.();
+    fn?.().Foo.#self?.getSelf()?.self.#m?.();
+    fn?.().Foo.#self?.getSelf?.()?.self.#m?.();
+  }
+
+  static testtest() {
+    fn?.().Foo.#self.getSelf?.().#m?.();
+  }
+}
+
+Foo.test();
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/options.json b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/options.json
new file mode 100644
index 000000000000..3b59e1bbfcc8
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/options.json
@@ -0,0 +1,4 @@
+{
+  "plugins": ["proposal-class-properties"],
+  "minNodeVersion": "14.0.0"
+}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/output.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/output.js
new file mode 100644
index 000000000000..3eb9ff618c8a
--- /dev/null
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/private/optional-chain-member-optional-call/output.js
@@ -0,0 +1,128 @@
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+function _classStaticPrivateFieldSpecGet(receiver, classConstructor, descriptor) { if (receiver !== classConstructor) { throw new TypeError("Private static access of wrong provenance"); } if (descriptor.get) { return descriptor.get.call(receiver); } return descriptor.value; }
+
+class Foo {
+  static getSelf() {
+    return this;
+  }
+
+  static test() {
+    var _o$Foo, _o$Foo2, _o$Foo3, _deep$very$o, _deep$very$o$Foo, _deep$very$o2, _deep$very$o2$Foo, _deep$very$o3, _deep$very$o3$Foo, _classStaticPrivateFi, _classStaticPrivateFi2, _ref, _ref$self, _ref2, _ref2$self, _self2, _self2$self, _classStaticPrivateFi3, _classStaticPrivateFi4, _ref3, _ref3$call, _ref4, _ref4$getSelf, _getSelf, _ref5, _getSelf$call, _ref6, _ref6$self, _classStaticPrivateFi5, _call, _call$self, _getSelf2, _getSelf2$self, _getSelf3, _getSelf3$self, _fn$Foo, _fn$Foo2, _fn$Foo3, _fnDeep$very$o, _fnDeep$very$o$Foo, _fnDeep$very$o2, _fnDeep$very$o2$Foo, _fnDeep$very$o3, _fnDeep$very$o3$Foo, _classStaticPrivateFi6, _classStaticPrivateFi7, _ref7, _ref7$self, _ref8, _ref8$self, _self3, _self3$self, _classStaticPrivateFi8, _classStaticPrivateFi9, _ref9, _ref9$call, _ref10, _ref10$getSelf, _getSelf4, _ref11, _getSelf4$call, _ref12, _ref12$self, _classStaticPrivateFi10, _call2, _call2$self, _getSelf5, _getSelf5$self, _getSelf6, _getSelf6$self;
+
+    const o = {
+      Foo: Foo
+    };
+    const deep = {
+      very: {
+        o
+      }
+    };
+
+    function fn() {
+      return o;
+    }
+
+    function fnDeep() {
+      return deep;
+    }
+
+    _classStaticPrivateFieldSpecGet(Foo, Foo, _m)?.();
+    _classStaticPrivateFieldSpecGet(Foo, Foo, _m)?.().toString;
+    _classStaticPrivateFieldSpecGet(Foo, Foo, _m)?.().toString();
+
+    _classStaticPrivateFieldSpecGet(_o$Foo = o.Foo, Foo, _m).call(_o$Foo);
+
+    _classStaticPrivateFieldSpecGet(_o$Foo2 = o.Foo, Foo, _m).call(_o$Foo2).toString;
+    _classStaticPrivateFieldSpecGet(_o$Foo3 = o.Foo, Foo, _m).call(_o$Foo3).toString();
+
+    _classStaticPrivateFieldSpecGet(_deep$very$o$Foo = _deep$very$o.Foo, Foo, _m).call(_deep$very$o$Foo);
+
+    _classStaticPrivateFieldSpecGet(_deep$very$o2$Foo = _deep$very$o2.Foo, Foo, _m).call(_deep$very$o2$Foo).toString;
+    _classStaticPrivateFieldSpecGet(_deep$very$o3$Foo = _deep$very$o3.Foo, Foo, _m).call(_deep$very$o3$Foo).toString();
+    (o === null || o === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi = _classStaticPrivateFieldSpecGet(o.Foo, Foo, _self), Foo, _m))?.call(_classStaticPrivateFi);
+    (o === null || o === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi2 = _classStaticPrivateFieldSpecGet(o.Foo, Foo, _self).self, Foo, _m))?.call(_classStaticPrivateFi2);
+
+    _classStaticPrivateFieldSpecGet(_ref$self = _ref.self, Foo, _m).call(_ref$self);
+
+    _classStaticPrivateFieldSpecGet(_ref2$self = _ref2.self, Foo, _m).call(_ref2$self);
+
+    _classStaticPrivateFieldSpecGet(_self2$self = _self2.self, Foo, _m).call(_self2$self);
+
+    (o === null || o === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi3 = _classStaticPrivateFieldSpecGet(o.Foo, Foo, _self).getSelf(), Foo, _m))?.call(_classStaticPrivateFi3);
+
+    _classStaticPrivateFieldSpecGet(_ref3$call = _ref3.call(_classStaticPrivateFi4), Foo, _m).call(_ref3$call);
+
+    _classStaticPrivateFieldSpecGet(_ref4$getSelf = _ref4.getSelf(), Foo, _m).call(_ref4$getSelf);
+
+    _classStaticPrivateFieldSpecGet(_getSelf$call = _getSelf.call(_ref5), Foo, _m).call(_getSelf$call);
+
+    _classStaticPrivateFieldSpecGet(_ref6$self = _ref6.self, Foo, _m).call(_ref6$self);
+
+    _classStaticPrivateFieldSpecGet(_call$self = _call.self, Foo, _m).call(_call$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf2$self = _getSelf2.self, Foo, _m).call(_getSelf2$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf3$self = _getSelf3.self, Foo, _m).call(_getSelf3$self);
+
+    _classStaticPrivateFieldSpecGet(_fn$Foo = fn().Foo, Foo, _m).call(_fn$Foo);
+
+    _classStaticPrivateFieldSpecGet(_fn$Foo2 = fn().Foo, Foo, _m).call(_fn$Foo2).toString;
+    _classStaticPrivateFieldSpecGet(_fn$Foo3 = fn().Foo, Foo, _m).call(_fn$Foo3).toString();
+
+    _classStaticPrivateFieldSpecGet(_fnDeep$very$o$Foo = _fnDeep$very$o.Foo, Foo, _m).call(_fnDeep$very$o$Foo);
+
+    _classStaticPrivateFieldSpecGet(_fnDeep$very$o2$Foo = _fnDeep$very$o2.Foo, Foo, _m).call(_fnDeep$very$o2$Foo).toString;
+    _classStaticPrivateFieldSpecGet(_fnDeep$very$o3$Foo = _fnDeep$very$o3.Foo, Foo, _m).call(_fnDeep$very$o3$Foo).toString();
+    (fn === null || fn === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi6 = _classStaticPrivateFieldSpecGet(fn().Foo, Foo, _self), Foo, _m))?.call(_classStaticPrivateFi6);
+    (fn === null || fn === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi7 = _classStaticPrivateFieldSpecGet(fn().Foo, Foo, _self).self, Foo, _m))?.call(_classStaticPrivateFi7);
+
+    _classStaticPrivateFieldSpecGet(_ref7$self = _ref7.self, Foo, _m).call(_ref7$self);
+
+    _classStaticPrivateFieldSpecGet(_ref8$self = _ref8.self, Foo, _m).call(_ref8$self);
+
+    _classStaticPrivateFieldSpecGet(_self3$self = _self3.self, Foo, _m).call(_self3$self);
+
+    (fn === null || fn === void 0 ? void 0 : _classStaticPrivateFieldSpecGet(_classStaticPrivateFi8 = _classStaticPrivateFieldSpecGet(fn().Foo, Foo, _self).getSelf(), Foo, _m))?.call(_classStaticPrivateFi8);
+
+    _classStaticPrivateFieldSpecGet(_ref9$call = _ref9.call(_classStaticPrivateFi9), Foo, _m).call(_ref9$call);
+
+    _classStaticPrivateFieldSpecGet(_ref10$getSelf = _ref10.getSelf(), Foo, _m).call(_ref10$getSelf);
+
+    _classStaticPrivateFieldSpecGet(_getSelf4$call = _getSelf4.call(_ref11), Foo, _m).call(_getSelf4$call);
+
+    _classStaticPrivateFieldSpecGet(_ref12$self = _ref12.self, Foo, _m).call(_ref12$self);
+
+    _classStaticPrivateFieldSpecGet(_call2$self = _call2.self, Foo, _m).call(_call2$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf5$self = _getSelf5.self, Foo, _m).call(_getSelf5$self);
+
+    _classStaticPrivateFieldSpecGet(_getSelf6$self = _getSelf6.self, Foo, _m).call(_getSelf6$self);
+  }
+
+  static testtest() {
+    var _fn, _classStaticPrivateFi11, _ref13, _ref13$call;
+
+    _classStaticPrivateFieldSpecGet(_ref13$call = _ref13.call(_classStaticPrivateFi11), Foo, _m).call(_ref13$call);
+  }
+
+}
+
+var _x = {
+  writable: true,
+  value: 1
+};
+var _m = {
+  writable: true,
+  value: function () {
+    return _classStaticPrivateFieldSpecGet(this, Foo, _x);
+  }
+};
+var _self = {
+  writable: true,
+  value: Foo
+};
+
+_defineProperty(Foo, "self", Foo);
+
+Foo.test();