diff --git a/code/CMSMain.php b/code/CMSMain.php
index 72486c50..f714b7bd 100755
--- a/code/CMSMain.php
+++ b/code/CMSMain.php
@@ -103,7 +103,6 @@ class CMSMain extends LeftAndMain implements CurrentPageIdentifier, PermissionPr
 		$langName = i18n::get_locale_name($this->Locale);
 		HtmlEditorConfig::get('cms')->setOption('spellchecker_languages', "+{$langName}={$this->Locale}");
 				
-		Requirements::javascript(CMS_DIR . '/javascript/CMSMain.js');
 		Requirements::javascript(CMS_DIR . '/javascript/CMSMain_left.js');
 		Requirements::javascript(CMS_DIR . '/javascript/CMSMain_right.js');
 	}
diff --git a/code/LeftAndMain.php b/code/LeftAndMain.php
index 68dcb1a6..b8180d59 100644
--- a/code/LeftAndMain.php
+++ b/code/LeftAndMain.php
@@ -264,7 +264,6 @@ class LeftAndMain extends Controller {
 		Requirements::combine_files(
 			'assets/cmsmain.js',
 			array(
-				'cms/javascript/CMSMain.js',
 				'cms/javascript/CMSMain_left.js',
 				'cms/javascript/CMSMain_right.js',
 				'cms/javascript/SideTabs.js',
diff --git a/javascript/CMSMain.js b/javascript/CMSMain.js
deleted file mode 100755
index e69de29b..00000000