diff --git a/src/workspace-element.coffee b/src/workspace-element.coffee
index 3994ccfe9..02c5ce367 100644
--- a/src/workspace-element.coffee
+++ b/src/workspace-element.coffee
@@ -23,6 +23,7 @@ class WorkspaceElement extends HTMLElement
     @focus()
 
   detachedCallback: ->
+    @subscriptions.dispose()
     @model.destroy()
 
   initializeGlobalTextEditorStyleSheet: ->