diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBugsTests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBugsTests.java
index 6389b0884d0..d058ab070f6 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBugsTests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBugsTests.java
@@ -1372,11 +1372,7 @@ public void run() {
 			th.join(5000);
 			assertFalse(th.isAlive());
 		} finally {
-			try {
-				th.stop();
-			} finally {
-				fIndex.releaseReadLock();
-			}
+			fIndex.releaseReadLock();
 		}
 	}