diff --git a/lib/options.json b/lib/options.json
index 300d90f317..2f5b32caa5 100644
--- a/lib/options.json
+++ b/lib/options.json
@@ -289,14 +289,7 @@
       "instanceof": "Function"
     },
     "sockHost": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ]
+      "type": "string"
     },
     "sockPath": {
       "type": "string"
diff --git a/test/options.test.js b/test/options.test.js
index 1fab7dcff8..e659ffcddd 100644
--- a/test/options.test.js
+++ b/test/options.test.js
@@ -338,7 +338,7 @@ describe('options', () => {
         failure: [false],
       },
       sockHost: {
-        success: ['', null],
+        success: [''],
         failure: [false],
       },
       sockPath: {