diff --git a/calendar/sunbird/app/profile/extensions/Makefile.in b/calendar/sunbird/app/profile/extensions/Makefile.in
index 5c27afde8b7d..4cee6462cbe4 100644
--- a/calendar/sunbird/app/profile/extensions/Makefile.in
+++ b/calendar/sunbird/app/profile/extensions/Makefile.in
@@ -21,7 +21,7 @@ VPATH		= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
 
-DIRS = {056555d3-e0e0-408f-9b89-8a0189c7bc63}  {8af2d0a7-e394-4de2-ae55-2dae532a7a9b}
+DIRS = {8af2d0a7-e394-4de2-ae55-2dae532a7a9b}
 
 include $(topsrcdir)/config/rules.mk
 
diff --git a/calendar/sunbird/app/profile/extensions/installed-extensions.txt b/calendar/sunbird/app/profile/extensions/installed-extensions.txt
index 375f2826e662..a04841e7e09d 100644
--- a/calendar/sunbird/app/profile/extensions/installed-extensions.txt
+++ b/calendar/sunbird/app/profile/extensions/installed-extensions.txt
@@ -1,2 +1 @@
 theme,{8af2d0a7-e394-4de2-ae55-2dae532a7a9b}
-extension,{056555d3-e0e0-408f-9b89-8a0189c7bc63}
diff --git a/calendar/sunbird/app/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}/Makefile.in b/calendar/sunbird/app/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}/Makefile.in
deleted file mode 100644
index 05a4761976cd..000000000000
--- a/calendar/sunbird/app/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}/Makefile.in
+++ /dev/null
@@ -1,35 +0,0 @@
-#
-# The contents of this file are subject to the Mozilla Public
-# License Version 1.1 (the "License"); you may not use this file
-# except in compliance with the License. You may obtain a copy of
-# the License at http://www.mozilla.org/MPL/
-#
-# Software distributed under the License is distributed on an "AS
-# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
-# implied. See the License for the specific language governing
-# rights and limitations under the License.
-#
-# The Original Code is mozilla.org code.
-#
-# Contributor(s): 
-#
-
-DEPTH		= ../../../../../..
-topsrcdir	= @top_srcdir@
-srcdir		= @srcdir@
-VPATH		= @srcdir@
-
-include $(DEPTH)/config/autoconf.mk
-include $(topsrcdir)/config/rules.mk
-
-FILES := \
-	install.rdf \
-	$(NULL)
-
-FILES := $(addprefix $(srcdir)/, $(FILES))
-
-libs::
-	$(INSTALL) $(FILES) $(DIST)/bin/defaults/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}
- 
-install::
-	$(SYSINSTALL) $(IFLAGS1) $(FILES) $(DESTDIR)$(mozappdir)/defaults/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}
diff --git a/calendar/sunbird/app/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}/install.rdf b/calendar/sunbird/app/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}/install.rdf
deleted file mode 100644
index 9d2dde6c88e2..000000000000
--- a/calendar/sunbird/app/profile/extensions/{056555d3-e0e0-408f-9b89-8a0189c7bc63}/install.rdf
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0"?>
-
-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
-
-  <Description about="urn:mozilla:install-manifest">
-    <em:id>{056555d3-e0e0-408f-9b89-8a0189c7bc63}</em:id>
-    <em:version>1.0</em:version>
-    
-    <!-- Target Application this extension can install into, 
-        with minimum and maximum supported versions. --> 
-    <em:targetApplication>
-      <Description>
-        <em:id>{718e30fb-e89b-41dd-9da7-e25a45638b28}</em:id>
-        <em:minVersion>0.1</em:minVersion>
-        <em:maxVersion>0.2</em:maxVersion>
-      </Description>
-    </em:targetApplication>
-    
-    <!-- Front End Integration Hooks (used by Extension Manager)-->
-    
-    <!-- Packages, Skins and Locales that this extension registers -->
-    <!-- XXXben - inspector does not list these here as they are built and
-                  installed by the build process -->
-  </Description>      
-  
-</RDF>