diff --git a/toolkit/mozapps/extensions/content/extensions.xml b/toolkit/mozapps/extensions/content/extensions.xml
index cbd05bfa95..9c8fda8ed9 100644
--- a/toolkit/mozapps/extensions/content/extensions.xml
+++ b/toolkit/mozapps/extensions/content/extensions.xml
@@ -941,10 +941,6 @@
 #endif
                             oncommand="document.getBindingParent(this).showPreferences();"/>
                             <!-- label="&cmd.debugAddon.label;" -->
-                <xul:button anonid="debug-btn" class="addon-control debug"
-                            label="&cmd.debugAddon.label;"
-                            oncommand="document.getBindingParent(this).debug();"/>
-
                 <xul:button anonid="enable-btn"  class="addon-control enable"
                             label="&cmd.enableAddon.label;"
                             oncommand="document.getBindingParent(this).userDisabled = false;"/>
@@ -1087,10 +1083,6 @@
         document.getAnonymousElementByAttribute(this, "anonid",
                                                 "enable-btn");
       </field>
-      <field name="_debugBtn">
-        document.getAnonymousElementByAttribute(this, "anonid",
-                                                "debug-btn");
-      </field>
       <field name="_disableBtn">
         document.getAnonymousElementByAttribute(this, "anonid",
                                                 "disable-btn");
@@ -1430,12 +1422,6 @@
                              this.mAddon.install.state != AddonManager.STATE_INSTALLED);
           this._showStatus(showProgress ? "progress" : "none");
 
-          let debuggable = this.mAddon.isDebuggable &&
-                           Services.prefs.getBoolPref('devtools.chrome.enabled') &&
-                           Services.prefs.getBoolPref('devtools.debugger.remote-enabled');
-
-          this._debugBtn.disabled = this._debugBtn.hidden = !debuggable
-
           if (this.mAddon.type == "experiment") {
             this.removeAttribute("notification");
             let prefix = "experiment.";