diff --git a/platform/projectModel-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/module/roots/ModifiableRootModelBridgeImpl.kt b/platform/projectModel-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/module/roots/ModifiableRootModelBridgeImpl.kt
index dfe6aa5c0056..943d1b4ad8a9 100644
--- a/platform/projectModel-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/module/roots/ModifiableRootModelBridgeImpl.kt
+++ b/platform/projectModel-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/module/roots/ModifiableRootModelBridgeImpl.kt
@@ -83,8 +83,6 @@ internal class ModifiableRootModelBridgeImpl(
   @OptIn(EntityStorageInstrumentationApi::class)
   override fun getModificationCount(): Long = (diff as MutableEntityStorageInstrumentation).modificationCount
 
-  private val extensionsDisposable = Disposer.newDisposable()
-
   private val virtualFileManager: VirtualFileUrlManager = WorkspaceModel.getInstance(project).getVirtualFileUrlManager()
 
   private val extensionsDelegate = lazy {