diff --git a/packages/core/src/Extension.ts b/packages/core/src/Extension.ts
index eca188bc..19cc3eaa 100644
--- a/packages/core/src/Extension.ts
+++ b/packages/core/src/Extension.ts
@@ -99,7 +99,6 @@ declare module '@tiptap/core' {
     addExtensions?: (this: {
       name: string,
       options: Options,
-      editor: Editor,
       parent: ParentConfig<ExtensionConfig<Options>>['addExtensions'],
     }) => Extensions,
 
diff --git a/packages/core/src/Mark.ts b/packages/core/src/Mark.ts
index b5dfc3d4..ecea2fb2 100644
--- a/packages/core/src/Mark.ts
+++ b/packages/core/src/Mark.ts
@@ -110,7 +110,6 @@ declare module '@tiptap/core' {
     addExtensions?: (this: {
       name: string,
       options: Options,
-      editor: Editor,
       parent: ParentConfig<MarkConfig<Options>>['addExtensions'],
     }) => Extensions,
 
diff --git a/packages/core/src/Node.ts b/packages/core/src/Node.ts
index 36f9783a..b089930e 100644
--- a/packages/core/src/Node.ts
+++ b/packages/core/src/Node.ts
@@ -110,7 +110,6 @@ declare module '@tiptap/core' {
     addExtensions?: (this: {
       name: string,
       options: Options,
-      editor: Editor,
       parent: ParentConfig<NodeConfig<Options>>['addExtensions'],
     }) => Extensions,