diff --git a/mozilla/xpfe/components/sidebar/resources/MANIFEST-content b/mozilla/xpfe/components/sidebar/resources/MANIFEST-content
index a3191c7edf9..e2432161c6d 100644
--- a/mozilla/xpfe/components/sidebar/resources/MANIFEST-content
+++ b/mozilla/xpfe/components/sidebar/resources/MANIFEST-content
@@ -2,9 +2,6 @@ customize-panel.js
 customize-panel.xul
 customize.js
 customize.xul
-panel-exists.xul
-panel-add-confirm.js
-panel-add-confirm.xul
 preview.css
 preview.js
 preview.xul
diff --git a/mozilla/xpfe/components/sidebar/resources/makefile.win b/mozilla/xpfe/components/sidebar/resources/makefile.win
index 406ac428931..5fb84cddfa3 100644
--- a/mozilla/xpfe/components/sidebar/resources/makefile.win
+++ b/mozilla/xpfe/components/sidebar/resources/makefile.win
@@ -32,9 +32,6 @@ CHROME_CONTENT = \
         .\customize-panel.xul \
         .\customize.js \
         .\customize.xul \
-	.\panel-add-confirm.js \
-	.\panel-add-confirm.xul \
-	.\panel-exists.xul \
 	.\preview.css \
 	.\preview.js \
 	.\preview.xul \
@@ -61,8 +58,6 @@ CHROME_L10N = \
         .\locale\en-US\customize-panel.dtd \
         .\locale\en-US\customize.dtd \
 	.\locale\en-US\preview.dtd \
-	.\locale\en-US\panel-add-confirm.dtd \
-	.\locale\en-US\panel-exists.dtd \
         .\locale\en-US\sidebar-registry-rdf.dtd \
         .\locale\en-US\sidebar-rdf.dtd \
         .\locale\en-US\sidebarOverlay.dtd \