diff --git a/lib/app/index.js b/lib/app/index.js
index 77e11b355c..73eea1bee6 100644
--- a/lib/app/index.js
+++ b/lib/app/index.js
@@ -331,7 +331,7 @@ ready(function(model) {
   exports.updateSchema = function(e, el) {
     return schema.updateSchema(model);
   };
-  exports.shortcuts = function(e) {
+  return exports.shortcuts = function(e) {
     var code, command;
     if (!(e.metaKey || e.ctrlKey)) {
       return;
@@ -359,6 +359,4 @@ ready(function(model) {
     }
     return false;
   };
-  document.execCommand('useCSS', false, true);
-  return document.execCommand('styleWithCSS', false, false);
 });
diff --git a/src/app/index.coffee b/src/app/index.coffee
index 0a48cd0382..655a76ed6d 100644
--- a/src/app/index.coffee
+++ b/src/app/index.coffee
@@ -296,5 +296,6 @@ ready (model) ->
 
   # Tell Firefox to use elements for styles instead of CSS
   # See: https://developer.mozilla.org/en/Rich-Text_Editing_in_Mozilla
-  document.execCommand 'useCSS', false, true
-  document.execCommand 'styleWithCSS', false, false
+  # FIXME, removing for now - seems to break our app in FireFox
+  # document.execCommand 'useCSS', false, true
+  # document.execCommand 'styleWithCSS', false, false