diff --git a/core/org.eclipse.cdt.ui.tests/build.properties b/core/org.eclipse.cdt.ui.tests/build.properties
index 19ceedb71da..fbe151a6b2d 100644
--- a/core/org.eclipse.cdt.ui.tests/build.properties
+++ b/core/org.eclipse.cdt.ui.tests/build.properties
@@ -1,6 +1,5 @@
 source.cdtuitests.jar = src/,\
-                        ui/,\
-                        core/
+                        ui/
 bin.includes = plugin.xml,\
                about.html,\
                plugin.properties,\