diff --git a/core/org.eclipse.cdt.core.tests/META-INF/eclipse.inf b/core/org.eclipse.cdt.core.tests/META-INF/eclipse.inf
new file mode 100644
index 00000000000..0f2f8fd2423
--- /dev/null
+++ b/core/org.eclipse.cdt.core.tests/META-INF/eclipse.inf
@@ -0,0 +1 @@
+pack200.args = -E4
diff --git a/releng/org.eclipse.cdt.releng/build.xml b/releng/org.eclipse.cdt.releng/build.xml
index 4131fa5eac3..c2e9544b774 100644
--- a/releng/org.eclipse.cdt.releng/build.xml
+++ b/releng/org.eclipse.cdt.releng/build.xml
@@ -108,7 +108,7 @@
 		<replace file="${buildDirectory}/site/eclipse/site.xml">
 			<replacefilter token="@buildVersion@" value="${branchVersion}.${timestamp}"/>
 		</replace>
-		<copy file="pack.properties" todir="${buildDirectory}/site/eclipse"/>
+		<!--copy file="pack.properties" todir="${buildDirectory}/site/eclipse"/-->
 		<!-- for some reason LPG isn't getting picked up-->
 		<copy file="${buildDirectory}/plugins/net.sourceforge.lpg.lpgjavaruntime_1.1.0.v200706111738.jar"
 			todir="${buildDirectory}/site/eclipse/plugins"/>