diff --git a/lib/ace/autocomplete.js b/lib/ace/autocomplete.js
index 5a1a10ee..7e5674ae 100644
--- a/lib/ace/autocomplete.js
+++ b/lib/ace/autocomplete.js
@@ -205,7 +205,6 @@ var Autocomplete = function() {
         "Ctrl-Down|Ctrl-End": function(editor) { editor.completer.goTo("end"); },
 
         "Esc": function(editor) { editor.completer.detach(); },
-        "Space": function(editor) { editor.completer.detach(); editor.insert(" ");},
         "Return": function(editor) { return editor.completer.insertMatch(); },
         "Shift-Return": function(editor) { editor.completer.insertMatch(true); },
         "Tab": function(editor) {