--- a/devtools/client/definitions.js
+++ b/devtools/client/definitions.js
@@ -205,17 +205,17 @@ Tools.styleEditor = {
   get tooltip() {
     return l10n("ToolboxStyleEditor.tooltip3",
     "Shift+" + functionkey(l10n("styleeditor.commandkey")));
   },
   inMenu: true,
   commands: "devtools/client/styleeditor/styleeditor-commands",
 
   isTargetSupported: function (target) {
-    return target.hasActor("styleEditor") || target.hasActor("styleSheets");
+    return target.hasActor("styleSheets");
   },
 
   build: function (iframeWindow, toolbox) {
     return new StyleEditorPanel(iframeWindow, toolbox);
   }
 };
 
 Tools.shaderEditor = {

--- a/devtools/server/main.js
+++ b/devtools/server/main.js
@@ -488,21 +488,16 @@ var DebuggerServer = {
       constructor: "WebAudioActor",
       type: { tab: true }
     });
     this.registerModule("devtools/server/actors/stylesheets", {
       prefix: "styleSheets",
       constructor: "StyleSheetsActor",
       type: { tab: true }
     });
-    this.registerModule("devtools/server/actors/styleeditor", {
-      prefix: "styleEditor",
-      constructor: "StyleEditorActor",
-      type: { tab: true }
-    });
     this.registerModule("devtools/server/actors/storage", {
       prefix: "storage",
       constructor: "StorageActor",
       type: { tab: true }
     });
     this.registerModule("devtools/server/actors/gcli", {
       prefix: "gcli",
       constructor: "GcliActor",