diff --git a/caps/src/nsScriptSecurityManager.cpp b/caps/src/nsScriptSecurityManager.cpp
index 9e5c2b84402..1da894c2a56 100644
--- a/caps/src/nsScriptSecurityManager.cpp
+++ b/caps/src/nsScriptSecurityManager.cpp
@@ -1088,19 +1088,6 @@ nsScriptSecurityManager::CheckSameOriginDOMProp(nsIPrincipal* aSubject,
     if (aObject == mSystemPrincipal)
         return NS_ERROR_DOM_PROP_ACCESS_DENIED;
 
-    /*
-    * If we failed the origin tests it still might be the case that we
-    * are a signed script and have permissions to do this operation.
-    * Check for that here.
-    */
-    bool capabilityEnabled = false;
-    const char* cap = aAction == nsIXPCSecurityManager::ACCESS_SET_PROPERTY ?
-                      "UniversalBrowserWrite" : "UniversalBrowserRead";
-    rv = IsCapabilityEnabled(cap, &capabilityEnabled);
-    NS_ENSURE_SUCCESS(rv, rv);
-    if (capabilityEnabled)
-        return NS_OK;
-
     /*
     ** Access tests failed, so now report error.
     */
@@ -1321,7 +1308,7 @@ nsScriptSecurityManager::CheckLoadURIFromScript(JSContext *cx, nsIURI *aURI)
     }
 
     // See if we're attempting to load a file: URI. If so, let a
-    // UniversalFileRead capability trump the above check.
+    // UniversalXPConnect capability trump the above check.
     bool isFile = false;
     bool isRes = false;
     if (NS_FAILED(aURI->SchemeIs("file", &isFile)) ||
@@ -1330,7 +1317,7 @@ nsScriptSecurityManager::CheckLoadURIFromScript(JSContext *cx, nsIURI *aURI)
     if (isFile || isRes)
     {
         bool enabled;
-        if (NS_FAILED(IsCapabilityEnabled("UniversalFileRead", &enabled)))
+        if (NS_FAILED(IsCapabilityEnabled("UniversalXPConnect", &enabled)))
             return NS_ERROR_FAILURE;
         if (enabled)
             return NS_OK;
diff --git a/dom/locales/en-US/chrome/security/caps.properties b/dom/locales/en-US/chrome/security/caps.properties
index a5008ccd7ac..d584ffc3903 100644
--- a/dom/locales/en-US/chrome/security/caps.properties
+++ b/dom/locales/en-US/chrome/security/caps.properties
@@ -153,9 +153,4 @@ ProtocolFlagError = Warning: Protocol handler for '%S' doesn't advertise a secur
 #
 # The following descriptions are shown in the EnableCapabilityQuery dialog
 #
-capdesc.UniversalBrowserRead = Read private data from any site or window
-capdesc.UniversalBrowserWrite = Modify any open window
 capdesc.UniversalXPConnect = Run or install software on your machine
-capdesc.UniversalFileRead = Read and upload local files
-capdesc.UniversalPreferencesRead = Read program settings
-capdesc.UniversalPreferencesWrite = Modify program settings