diff --git a/errors.json.REMOVED.git-id b/errors.json.REMOVED.git-id
new file mode 100644
index 0000000000..4c98353bb6
--- /dev/null
+++ b/errors.json.REMOVED.git-id
@@ -0,0 +1 @@
+2fac82d961e26a33929ddfb9f400b767e4028823
\ No newline at end of file
diff --git a/rollup.config.js.REMOVED.git-id b/rollup.config.js.REMOVED.git-id
index f10856d70e..96162ebab4 100644
--- a/rollup.config.js.REMOVED.git-id
+++ b/rollup.config.js.REMOVED.git-id
@@ -1 +1 @@
-9a32e5147923b5983dc0e24124a9d0ba9ebf126a
\ No newline at end of file
+90af2fd2bebc55728b0d8d3f90ae6350c0da0da8
\ No newline at end of file
diff --git a/scripts/mangleErrors.js.REMOVED.git-id b/scripts/mangleErrors.js.REMOVED.git-id
new file mode 100644
index 0000000000..eb1e5c44a4
--- /dev/null
+++ b/scripts/mangleErrors.js.REMOVED.git-id
@@ -0,0 +1 @@
+fcd7e7391da1cb7ac4a9fb471298f91474f47043
\ No newline at end of file
diff --git a/src/bindActionCreators.js.REMOVED.git-id b/src/bindActionCreators.js.REMOVED.git-id
index 5512f7b2ae..883c6ec019 100644
--- a/src/bindActionCreators.js.REMOVED.git-id
+++ b/src/bindActionCreators.js.REMOVED.git-id
@@ -1 +1 @@
-dd78819e5615a221c5f5d6224b44cf72f4fd63f4
\ No newline at end of file
+8e610e857203ead0343c36a264adcbbbd40fcd12
\ No newline at end of file
diff --git a/src/combineReducers.js.REMOVED.git-id b/src/combineReducers.js.REMOVED.git-id
index b64e3f74b2..af026189f3 100644
--- a/src/combineReducers.js.REMOVED.git-id
+++ b/src/combineReducers.js.REMOVED.git-id
@@ -1 +1 @@
-dcf06f2829ebc3ab3c0c9f85735e81e32b36eeb6
\ No newline at end of file
+6ed79c245ca26e73bacd6cd91db6ddb0d1104c51
\ No newline at end of file
diff --git a/src/createStore.js.REMOVED.git-id b/src/createStore.js.REMOVED.git-id
index 190a92a4a7..49811b6b9f 100644
--- a/src/createStore.js.REMOVED.git-id
+++ b/src/createStore.js.REMOVED.git-id
@@ -1 +1 @@
-45b09aca009a5a9a2298800982c77b87e45b47ab
\ No newline at end of file
+5326a52ff8a82cca2a564d2f5b6eaf16396411f7
\ No newline at end of file
diff --git a/src/utils/formatProdErrorMessage.js b/src/utils/formatProdErrorMessage.js
new file mode 100644
index 0000000000..3ae0234656
--- /dev/null
+++ b/src/utils/formatProdErrorMessage.js
@@ -0,0 +1,15 @@
+/**
+ * Adapted from React: https://github.com/facebook/react/blob/master/packages/shared/formatProdErrorMessage.js
+ *
+ * Do not require this module directly! Use normal throw error calls. These messages will be replaced with error codes
+ * during build.
+ * @param {number} code
+ */
+function formatProdErrorMessage(code) {
+  return (
+    `Minified Redux error #${code}; visit https://redux.js.org/Errors?code=${code} for the full message or ` +
+    'use the non-minified dev environment for full errors. '
+  )
+}
+
+export default formatProdErrorMessage
diff --git a/src/utils/kindOf.js.REMOVED.git-id b/src/utils/kindOf.js.REMOVED.git-id
new file mode 100644
index 0000000000..2e14f348cc
--- /dev/null
+++ b/src/utils/kindOf.js.REMOVED.git-id
@@ -0,0 +1 @@
+c5395a1df6b9f9ee02ed5e393140e4ccef4e5445
\ No newline at end of file
diff --git a/test/bindActionCreators.spec.js.REMOVED.git-id b/test/bindActionCreators.spec.js.REMOVED.git-id
index 26ecac38cb..a71d4d45cf 100644
--- a/test/bindActionCreators.spec.js.REMOVED.git-id
+++ b/test/bindActionCreators.spec.js.REMOVED.git-id
@@ -1 +1 @@
-54031dbbeefcb2c2deb2507b29f3b4653b19c793
\ No newline at end of file
+1cebddb13e68d9631b9087f00fae8d5a11fb0ae7
\ No newline at end of file
diff --git a/test/combineReducers.spec.js.REMOVED.git-id b/test/combineReducers.spec.js.REMOVED.git-id
index 52d8d7ef33..da65a1f691 100644
--- a/test/combineReducers.spec.js.REMOVED.git-id
+++ b/test/combineReducers.spec.js.REMOVED.git-id
@@ -1 +1 @@
-cfd712da380142f8aba47f37add1db132a57febf
\ No newline at end of file
+a72c1541dd446692cf3bc2496e99a838f4ea93c2
\ No newline at end of file
diff --git a/test/createStore.spec.js.REMOVED.git-id b/test/createStore.spec.js.REMOVED.git-id
index 88a67193fa..bbff797d2c 100644
--- a/test/createStore.spec.js.REMOVED.git-id
+++ b/test/createStore.spec.js.REMOVED.git-id
@@ -1 +1 @@
-9bbac18428e62d57a68306a56c5e17ce6e55f13d
\ No newline at end of file
+dcbf65cf3e5d3da0bf7bd0a1934b8951120f395c
\ No newline at end of file