--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/CompilerThreadFactory.java	2017-07-07 09:29:46.000000000 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/CompilerThreadFactory.java	2017-07-07 09:29:46.000000000 -0700
@@ -24,34 +24,19 @@
 
 import java.util.concurrent.ThreadFactory;
 
-import org.graalvm.compiler.debug.DebugConfig;
-
 /**
  * Facility for creating {@linkplain CompilerThread compiler threads}.
  */
 public class CompilerThreadFactory implements ThreadFactory {
 
-    /**
-     * Capability to get a thread-local debug configuration for the current thread.
-     */
-    public interface DebugConfigAccess {
-        /**
-         * Get a thread-local debug configuration for the current thread. This will be null if
-         * debugging is disabled.
-         */
-        DebugConfig getDebugConfig();
-    }
-
     protected final String threadNamePrefix;
-    protected final DebugConfigAccess debugConfigAccess;
 
-    public CompilerThreadFactory(String threadNamePrefix, DebugConfigAccess debugConfigAccess) {
+    public CompilerThreadFactory(String threadNamePrefix) {
         this.threadNamePrefix = threadNamePrefix;
-        this.debugConfigAccess = debugConfigAccess;
     }
 
     @Override
     public Thread newThread(Runnable r) {
-        return new CompilerThread(r, threadNamePrefix, debugConfigAccess);
+        return new CompilerThread(r, threadNamePrefix);
     }
 }