diff --git a/modules/openapi-generator/src/main/resources/dart2/enum.mustache b/modules/openapi-generator/src/main/resources/dart2/enum.mustache
index 0af2b0a47fe..d3ba3f350a8 100644
--- a/modules/openapi-generator/src/main/resources/dart2/enum.mustache
+++ b/modules/openapi-generator/src/main/resources/dart2/enum.mustache
@@ -6,13 +6,6 @@ class {{{classname}}} {
   /// The underlying value of this enum member.
   final {{{dataType}}} value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is {{{classname}}} && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value{{^isString}}.toString(){{/isString}};
 
diff --git a/modules/openapi-generator/src/main/resources/dart2/enum_inline.mustache b/modules/openapi-generator/src/main/resources/dart2/enum_inline.mustache
index 7daf6dea1f7..7d6fbed5c4f 100644
--- a/modules/openapi-generator/src/main/resources/dart2/enum_inline.mustache
+++ b/modules/openapi-generator/src/main/resources/dart2/enum_inline.mustache
@@ -6,13 +6,6 @@ class {{{classname}}}{{{enumName}}} {
   /// The underlying value of this enum member.
   final {{{dataType}}} value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is {{{classname}}}{{{enumName}}} && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value{{^isString}}.toString(){{/isString}};
 
diff --git a/samples/client/petstore/dart2/petstore_client_lib/lib/model/order.dart b/samples/client/petstore/dart2/petstore_client_lib/lib/model/order.dart
index 30d60e0120a..a7b01582664 100644
--- a/samples/client/petstore/dart2/petstore_client_lib/lib/model/order.dart
+++ b/samples/client/petstore/dart2/petstore_client_lib/lib/model/order.dart
@@ -125,13 +125,6 @@ class OrderStatusEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is OrderStatusEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart b/samples/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart
index daa1c561e47..edb8930c11d 100644
--- a/samples/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart
+++ b/samples/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart
@@ -125,13 +125,6 @@ class PetStatusEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is PetStatusEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/order.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/order.dart
index 30d60e0120a..a7b01582664 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/order.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/order.dart
@@ -125,13 +125,6 @@ class OrderStatusEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is OrderStatusEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart
index daa1c561e47..edb8930c11d 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib/lib/model/pet.dart
@@ -125,13 +125,6 @@ class PetStatusEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is PetStatusEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_arrays.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_arrays.dart
index b79f23df362..f0e7b2417db 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_arrays.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_arrays.dart
@@ -86,13 +86,6 @@ class EnumArraysJustSymbolEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is EnumArraysJustSymbolEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
@@ -159,13 +152,6 @@ class EnumArraysArrayEnumEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is EnumArraysArrayEnumEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_class.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_class.dart
index 8e1e1eb2e9e..96647a37971 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_class.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_class.dart
@@ -17,13 +17,6 @@ class EnumClass {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is EnumClass && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_test.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_test.dart
index 371858d9ea6..a4503966408 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_test.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/enum_test.dart
@@ -140,13 +140,6 @@ class EnumTestEnumStringEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is EnumTestEnumStringEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
@@ -216,13 +209,6 @@ class EnumTestEnumStringRequiredEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is EnumTestEnumStringRequiredEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
@@ -292,13 +278,6 @@ class EnumTestEnumIntegerEnum {
   /// The underlying value of this enum member.
   final int value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is EnumTestEnumIntegerEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value.toString();
 
@@ -365,13 +344,6 @@ class EnumTestEnumNumberEnum {
   /// The underlying value of this enum member.
   final double value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is EnumTestEnumNumberEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value.toString();
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/map_test.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/map_test.dart
index 2834ab2acf4..99d39e720f9 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/map_test.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/map_test.dart
@@ -112,13 +112,6 @@ class MapTestInnerEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is MapTestInnerEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/order.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/order.dart
index 30d60e0120a..a7b01582664 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/order.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/order.dart
@@ -125,13 +125,6 @@ class OrderStatusEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is OrderStatusEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum.dart
index a4494ede999..ce3f4c30a53 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum.dart
@@ -17,13 +17,6 @@ class OuterEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is OuterEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_default_value.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_default_value.dart
index 0eb08d128bc..8f6d40b7d1e 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_default_value.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_default_value.dart
@@ -17,13 +17,6 @@ class OuterEnumDefaultValue {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is OuterEnumDefaultValue && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer.dart
index 6bbe2dda1fc..751506326be 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer.dart
@@ -17,13 +17,6 @@ class OuterEnumInteger {
   /// The underlying value of this enum member.
   final int value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is OuterEnumInteger && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value.toString();
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer_default_value.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer_default_value.dart
index 5eac2105488..c5f52fc8047 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer_default_value.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/outer_enum_integer_default_value.dart
@@ -17,13 +17,6 @@ class OuterEnumIntegerDefaultValue {
   /// The underlying value of this enum member.
   final int value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is OuterEnumIntegerDefaultValue && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value.toString();
 
diff --git a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/pet.dart b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/pet.dart
index daa1c561e47..edb8930c11d 100644
--- a/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/pet.dart
+++ b/samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/model/pet.dart
@@ -125,13 +125,6 @@ class PetStatusEnum {
   /// The underlying value of this enum member.
   final String value;
 
-  @override
-  bool operator ==(Object other) => identical(this, other) ||
-      other is PetStatusEnum && other.value == value;
-
-  @override
-  int get hashCode => toString().hashCode;
-
   @override
   String toString() => value;