diff --git a/releng/org.eclipse.cdt.releng/build.xml b/releng/org.eclipse.cdt.releng/build.xml
index 85edbe5e78d..f8fdecfc1c1 100644
--- a/releng/org.eclipse.cdt.releng/build.xml
+++ b/releng/org.eclipse.cdt.releng/build.xml
@@ -29,6 +29,7 @@
 		<property name="buildId" value="${buildType}${timestamp}"/>
 		<property name="zipsdir" value="${buildDirectory}/${buildType}.${buildId}"/>
 		<property name="masterFile" value="cdt-master-${branchVersion}-${buildId}.zip"/>
+		<property name="masterFeature" value="org.eclipse.cdt.master_${branchVersion}.jar"/>
 		<property name="cdtTest" value="org.eclipse.cdt.testing_5.1.0.${timestamp}"/>
 		<property name="eclipseTest" value="org.eclipse.test_3.2.0"/>
 		<property name="messagefile" value="message.in"/>
@@ -134,6 +135,9 @@
 		<copy file="${buildDirectory}/plugins/net.sourceforge.lpg.lpgjavaruntime_1.1.0.v200803061910.jar"
 			todir="${buildDirectory}/site/eclipse/plugins"/>
 		
+		<!-- remove the master feature from the update site -->
+		<delete file="${buildDirectory}/site/eclipse/plugins/${masterFeature}"/>
+		
 		<!-- generate p2 metadata -->
 		<antcall target="generate.p2.metadata" />