diff --git a/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/input.js b/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/input.js
index 6256942ca5c5..87462c83f603 100644
--- a/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/input.js
+++ b/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/input.js
@@ -28,9 +28,9 @@ class Foo {
   foo = 0; bar = 1;
 
   #foo;
-  #foo = 1;
-  static #foo;
-  static #foo = Foo.#foo;
+  #foo2 = 1;
+  static #foo3;
+  static #foo4 = Foo.#foo;
 }
 
 class A1 {
diff --git a/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/output.js b/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/output.js
index 905fe31bdbfb..9970811aabad 100644
--- a/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/output.js
+++ b/packages/babel-generator/test/fixtures/types/ClassBody-ClassProperty/output.js
@@ -27,9 +27,9 @@ class Foo {
   foo = 0;
   bar = 1;
   #foo;
-  #foo = 1;
-  static #foo;
-  static #foo = Foo.#foo;
+  #foo2 = 1;
+  static #foo3;
+  static #foo4 = Foo.#foo;
 }
 
 class A1 {
@@ -69,4 +69,4 @@ class A6 {
 class A7 {
   static get static() {}
 
-}
+}
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/input.js b/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/input.js
index ae3f4b33c003..67ccba8fc28b 100644
--- a/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/input.js
+++ b/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/input.js
@@ -6,13 +6,13 @@ class Foo {
   set foo(bar) {}
 
   async #foo() {}
-  #foo() {}
-  get #foo() {}
-  set #foo(bar) {}
-  * #foo() {}
-  async * #foo() {}
-  get #bar() {}
-  set #baz(taz) {}
+  #foo2() {}
+  get #foo3() {}
+  set #foo3(bar) {}
+  * #foo4() {}
+  async * #foo5() {}
+  get #bar6() {}
+  set #baz6(taz) {}
 
   static async foo() {}
   static foo() {}
@@ -23,13 +23,13 @@ class Foo {
   static * foo() {}
   static async * foo() {}
 
-  static #foo() {}
-  static async #foo() {}
+  static #foo7() {}
+  static async #foo8() {}
   static ["foo"]() {}
-  static get #foo() {}
-  static set #foo(taz) {}
-  static * #foo() {}
-  static async * #foo() {}
+  static get #foo9() {}
+  static set #foo9(taz) {}
+  static * #foo10() {}
+  static async * #foo11() {}
 
   get
   () {}
diff --git a/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/output.js b/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/output.js
index 24f3e9229c84..7f66930a5422 100644
--- a/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/output.js
+++ b/packages/babel-generator/test/fixtures/types/ClassBody-MethodDefinition/output.js
@@ -11,19 +11,19 @@ class Foo {
 
   async #foo() {}
 
-  #foo() {}
+  #foo2() {}
 
-  get #foo() {}
+  get #foo3() {}
 
-  set #foo(bar) {}
+  set #foo3(bar) {}
 
-  *#foo() {}
+  *#foo4() {}
 
-  async *#foo() {}
+  async *#foo5() {}
 
-  get #bar() {}
+  get #bar6() {}
 
-  set #baz(taz) {}
+  set #baz6(taz) {}
 
   static async foo() {}
 
@@ -41,19 +41,19 @@ class Foo {
 
   static async *foo() {}
 
-  static #foo() {}
+  static #foo7() {}
 
-  static async #foo() {}
+  static async #foo8() {}
 
   static ["foo"]() {}
 
-  static get #foo() {}
+  static get #foo9() {}
 
-  static set #foo(taz) {}
+  static set #foo9(taz) {}
 
-  static *#foo() {}
+  static *#foo10() {}
 
-  static async *#foo() {}
+  static async *#foo11() {}
 
   get() {}
 
diff --git a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-get/options.json b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-get/options.json
index 9c0ba0e4b46a..49dcfc816842 100644
--- a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-get/options.json
+++ b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-get/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "Duplicate private field"
+  "throws": "Duplicate private name #getSet"
 }
diff --git a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-method/options.json b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-method/options.json
index 9c0ba0e4b46a..1edb048c1285 100644
--- a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-method/options.json
+++ b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/get-method/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "Duplicate private field"
+  "throws": "Duplicate private name #foo"
 }
diff --git a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-get/options.json b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-get/options.json
index 9c0ba0e4b46a..1edb048c1285 100644
--- a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-get/options.json
+++ b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-get/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "Duplicate private field"
+  "throws": "Duplicate private name #foo"
 }
diff --git a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-method/options.json b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-method/options.json
index 9c0ba0e4b46a..b3e2e5dade0d 100644
--- a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-method/options.json
+++ b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-method/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "Duplicate private field"
+  "throws": "Duplicate private name #dank"
 }
diff --git a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-set/options.json b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-set/options.json
index 9c0ba0e4b46a..1edb048c1285 100644
--- a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-set/options.json
+++ b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/method-set/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "Duplicate private field"
+  "throws": "Duplicate private name #foo"
 }
diff --git a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-method/options.json b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-method/options.json
index 9c0ba0e4b46a..1edb048c1285 100644
--- a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-method/options.json
+++ b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-method/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "Duplicate private field"
+  "throws": "Duplicate private name #foo"
 }
diff --git a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-set/options.json b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-set/options.json
index 9c0ba0e4b46a..49dcfc816842 100644
--- a/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-set/options.json
+++ b/packages/babel-plugin-proposal-private-methods/test/fixtures/duplicated-names/set-set/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "Duplicate private field"
+  "throws": "Duplicate private name #getSet"
 }