diff --git a/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java b/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java
index 63b8880..7449830 100644
--- a/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java
+++ b/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java
@@ -294,11 +294,7 @@
         {
             bundle.getInfo().setExtension(true);
 
-            SystemBundleArchive systemArchive =
-                (SystemBundleArchive) felix.getInfo().getArchive();
-
             // Merge the exported packages with the exported packages of the systembundle.
-            Map headers = null;
             ICapability[] exports = null;
             try
             {