diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index 017c2134f2883..2e62eb6a5f973 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -23,7 +23,6 @@ import android.util.Log;
 import com.android.internal.util.FastPrintWriter;
 import com.android.internal.util.TypedProperties;
 
-import dalvik.bytecode.OpcodeInfo;
 import dalvik.system.VMDebug;
 
 import org.apache.harmony.dalvik.ddmc.Chunk;
@@ -48,8 +47,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 
-
-
 /**
  * Provides various debugging methods for Android applications, including
  * tracing and allocation counts.
@@ -1959,13 +1956,7 @@ public final class Debug
      */
     @Deprecated
     public static class InstructionCount {
-        private static final int NUM_INSTR =
-            OpcodeInfo.MAXIMUM_PACKED_VALUE + 1;
-
-        private int[] mCounts;
-
         public InstructionCount() {
-            mCounts = new int[NUM_INSTR];
         }
 
         /**
@@ -1975,13 +1966,7 @@ public final class Debug
          * @return true if counting was started
          */
         public boolean resetAndStart() {
-            try {
-                VMDebug.startInstructionCounting();
-                VMDebug.resetInstructionCount();
-            } catch (UnsupportedOperationException uoe) {
-                return false;
-            }
-            return true;
+            return false;
         }
 
         /**
@@ -1989,13 +1974,7 @@ public final class Debug
          * counting process.
          */
         public boolean collect() {
-            try {
-                VMDebug.stopInstructionCounting();
-                VMDebug.getInstructionCount(mCounts);
-            } catch (UnsupportedOperationException uoe) {
-                return false;
-            }
-            return true;
+            return false;
         }
 
         /**
@@ -2003,13 +1982,7 @@ public final class Debug
          * all threads).
          */
         public int globalTotal() {
-            int count = 0;
-
-            for (int i = 0; i < NUM_INSTR; i++) {
-                count += mCounts[i];
-            }
-
-            return count;
+            return 0;
         }
 
         /**
@@ -2017,15 +1990,7 @@ public final class Debug
          * executed globally.
          */
         public int globalMethodInvocations() {
-            int count = 0;
-
-            for (int i = 0; i < NUM_INSTR; i++) {
-                if (OpcodeInfo.isInvoke(i)) {
-                    count += mCounts[i];
-                }
-            }
-
-            return count;
+            return 0;
         }
     }