diff --git a/node_modules/architect-build/build_support/mini_require.js b/node_modules/architect-build/build_support/mini_require.js
index 8d4c219c..6e643a35 100644
--- a/node_modules/architect-build/build_support/mini_require.js
+++ b/node_modules/architect-build/build_support/mini_require.js
@@ -282,7 +282,13 @@ config.packages = Object.create(null);
 config.paths = Object.create(null);
 config.baseUrl = "";
 
-require.undef = function(module, callback) {
+require.undef = function(module, recursive) {
+    if (recursive) {
+        var root = (module + "/").replace(/\/+$/, "/");
+        undefAll(root, define.errors);
+        undefAll(root, define.loaded);
+        undefAll(root, define.modules);
+    }
     module = normalizeName("", module);
     var path = require.toUrl(module, ".js");
     delete define.errors[module];
@@ -291,6 +297,13 @@ require.undef = function(module, callback) {
     delete define.fetchedUrls[path];
 };
 
+function undefAll(module, hash) {
+    Object.keys(hash).forEach(function(key) {
+        if (key.lastIndexOf(module, 0) == 0)
+            require.undef(key);
+    });
+}
+
 require.MODULE_LOAD_URL = MODULE_LOAD_URL;
 
 require.toUrl = function(moduleName, ext, skipExt) {
diff --git a/package.json b/package.json
index 51e58ad9..48a5a3e1 100644
--- a/package.json
+++ b/package.json
@@ -102,11 +102,11 @@
         "c9.ide.recentfiles": "#7c099abf40",
         "c9.ide.remote": "#301d2ab519",
         "c9.ide.processlist": "#bc11818bb5",
-        "c9.ide.run": "#05c0054752",
+        "c9.ide.run": "#ba97f384a6",
         "c9.ide.run.build": "#0598fff697",
         "c9.ide.run.debug.xdebug": "#61dcbd0180",
         "c9.ide.save": "#e00549cb0f",
-        "c9.ide.scm": "#5ad12f7236",
+        "c9.ide.scm": "#9bedd0fcd3",
         "c9.ide.terminal.monitor": "#b76f1c9f24",
         "c9.ide.theme.flat": "#2de8414db7",
         "c9.ide.threewaymerge": "#229382aa0b",
diff --git a/plugins/c9.ide.plugins/loader.js b/plugins/c9.ide.plugins/loader.js
index 6d8791af..144c79e2 100644
--- a/plugins/c9.ide.plugins/loader.js
+++ b/plugins/c9.ide.plugins/loader.js
@@ -239,7 +239,7 @@ define(function(require, exports, module) {
             paths[config.packagePath] = config.staticPrefix;
 
             requirejs.config({ paths: paths });
-            requirejs.undef([config.packagePath, "__installed__.js"].join("/"));
+            requirejs.undef(config.packagePath, true);
 
             require([[config.packagePath, "__installed__"].join("/")], function(installed) {
                 callback(null, installed);