diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc
index 0ab7782..79cbd0e 100644
--- a/compiler/optimizing/builder.cc
+++ b/compiler/optimizing/builder.cc
@@ -748,11 +748,6 @@
       break;
     }
 
-    case Instruction::NEG_LONG: {
-      Unop_12x<HNeg>(instruction, Primitive::kPrimLong);
-      break;
-    }
-
     case Instruction::NOT_INT: {
       Unop_12x<HNot>(instruction, Primitive::kPrimInt);
       break;
diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index 5edf0f0..7b00d2f 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -1043,13 +1043,11 @@
       new (GetGraph()->GetArena()) LocationSummary(neg, LocationSummary::kNoCall);
   switch (neg->GetResultType()) {
     case Primitive::kPrimInt:
-    case Primitive::kPrimLong: {
-      bool output_overlaps = (neg->GetResultType() == Primitive::kPrimLong);
       locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetOut(Location::RequiresRegister(), output_overlaps);
+      locations->SetOut(Location::RequiresRegister());
       break;
-    }
 
+    case Primitive::kPrimLong:
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
@@ -1071,15 +1069,6 @@
       break;
 
     case Primitive::kPrimLong:
-      DCHECK(in.IsRegisterPair());
-      __ rsbs(out.AsRegisterPairLow<Register>(),
-              in.AsRegisterPairLow<Register>(),
-              ShifterOperand(0));
-      __ rsc(out.AsRegisterPairHigh<Register>(),
-             in.AsRegisterPairHigh<Register>(),
-             ShifterOperand(0));
-      break;
-
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index aa0f06b..61f0750 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -990,11 +990,11 @@
       new (GetGraph()->GetArena()) LocationSummary(neg, LocationSummary::kNoCall);
   switch (neg->GetResultType()) {
     case Primitive::kPrimInt:
-    case Primitive::kPrimLong:
       locations->SetInAt(0, Location::RequiresRegister());
       locations->SetOut(Location::SameAsFirstInput());
       break;
 
+    case Primitive::kPrimLong:
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
@@ -1016,17 +1016,6 @@
       break;
 
     case Primitive::kPrimLong:
-      DCHECK(in.IsRegisterPair());
-      __ negl(out.AsRegisterPairLow<Register>());
-      // Negation is similar to subtraction from zero.  The least
-      // significant byte triggers a borrow when it is different from
-      // zero; to take it into account, add 1 to the most significant
-      // byte if the carry flag (CF) is set to 1 after the first NEGL
-      // operation.
-      __ adcl(out.AsRegisterPairHigh<Register>(), Immediate(0));
-      __ negl(out.AsRegisterPairHigh<Register>());
-      break;
-
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
diff --git a/compiler/optimizing/code_generator_x86_64.cc b/compiler/optimizing/code_generator_x86_64.cc
index 892ca9d..4a05b89 100644
--- a/compiler/optimizing/code_generator_x86_64.cc
+++ b/compiler/optimizing/code_generator_x86_64.cc
@@ -976,11 +976,11 @@
       new (GetGraph()->GetArena()) LocationSummary(neg, LocationSummary::kNoCall);
   switch (neg->GetResultType()) {
     case Primitive::kPrimInt:
-    case Primitive::kPrimLong:
       locations->SetInAt(0, Location::RequiresRegister());
       locations->SetOut(Location::SameAsFirstInput());
       break;
 
+    case Primitive::kPrimLong:
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
@@ -1002,10 +1002,6 @@
       break;
 
     case Primitive::kPrimLong:
-      DCHECK(in.IsRegister());
-      __ negq(out.As<CpuRegister>());
-      break;
-
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
diff --git a/compiler/utils/x86_64/assembler_x86_64.cc b/compiler/utils/x86_64/assembler_x86_64.cc
index f164138..f4c9862 100644
--- a/compiler/utils/x86_64/assembler_x86_64.cc
+++ b/compiler/utils/x86_64/assembler_x86_64.cc
@@ -1340,13 +1340,6 @@
   EmitOperand(3, Operand(reg));
 }
 
-void X86_64Assembler::negq(CpuRegister reg) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitRex64(reg);
-  EmitUint8(0xF7);
-  EmitOperand(3, Operand(reg));
-}
-
 
 void X86_64Assembler::notl(CpuRegister reg) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
diff --git a/compiler/utils/x86_64/assembler_x86_64.h b/compiler/utils/x86_64/assembler_x86_64.h
index ec29271..92b81ec 100644
--- a/compiler/utils/x86_64/assembler_x86_64.h
+++ b/compiler/utils/x86_64/assembler_x86_64.h
@@ -450,7 +450,6 @@
   void shrq(CpuRegister reg, const Immediate& imm);
 
   void negl(CpuRegister reg);
-  void negq(CpuRegister reg);
   void notl(CpuRegister reg);
 
   void enter(const Immediate& imm);
diff --git a/test/411-optimizing-arith/src/Main.java b/test/411-optimizing-arith/src/Main.java
index a22c516..4de2271 100644
--- a/test/411-optimizing-arith/src/Main.java
+++ b/test/411-optimizing-arith/src/Main.java
@@ -74,6 +74,7 @@
 
   public static void main(String[] args) {
     mul();
+    neg();
   }
 
   public static void mul() {
@@ -163,6 +164,34 @@
     expectEquals(Double.POSITIVE_INFINITY, $opt$Mul(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY));
   }
 
+  public static void neg() {
+    expectEquals(-1, $opt$Neg(1));
+    expectEquals(1, $opt$Neg(-1));
+    expectEquals(0, $opt$Neg(0));
+    expectEquals(51, $opt$Neg(-51));
+    expectEquals(-51, $opt$Neg(51));
+    expectEquals(2147483647, $opt$Neg(-2147483647));  // (2^31 - 1)
+    expectEquals(-2147483647, $opt$Neg(2147483647));  // -(2^31 - 1)
+    // From the Java 7 SE Edition specification:
+    // http://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls-15.15.4
+    //
+    //   For integer values, negation is the same as subtraction from
+    //   zero.  The Java programming language uses two's-complement
+    //   representation for integers, and the range of two's-complement
+    //   values is not symmetric, so negation of the maximum negative
+    //   int or long results in that same maximum negative number.
+    //   Overflow occurs in this case, but no exception is thrown.
+    //   For all integer values x, -x equals (~x)+1.''
+    expectEquals(-2147483648, $opt$Neg(-2147483648)); // -(2^31)
+
+    $opt$InplaceNegOne(1);
+  }
+
+  public static void $opt$InplaceNegOne(int a) {
+    a = -a;
+    expectEquals(-1, a);
+  }
+
   static int $opt$Mul(int a, int b) {
     return a * b;
   }
@@ -178,4 +207,9 @@
   static double $opt$Mul(double a, double b) {
     return a * b;
   }
+
+  static int $opt$Neg(int a){
+    return -a;
+  }
+
 }
diff --git a/test/415-optimizing-arith-neg/expected.txt b/test/415-optimizing-arith-neg/expected.txt
deleted file mode 100644
index e69de29..0000000
--- a/test/415-optimizing-arith-neg/expected.txt
+++ /dev/null
diff --git a/test/415-optimizing-arith-neg/info.txt b/test/415-optimizing-arith-neg/info.txt
deleted file mode 100644
index 8494aad..0000000
--- a/test/415-optimizing-arith-neg/info.txt
+++ /dev/null
@@ -1 +0,0 @@
-Tests for arithmetic negation operations.
diff --git a/test/415-optimizing-arith-neg/src/Main.java b/test/415-optimizing-arith-neg/src/Main.java
deleted file mode 100644
index 3b25c9d..0000000
--- a/test/415-optimizing-arith-neg/src/Main.java
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Note that $opt$ is a marker for the optimizing compiler to ensure
-// it does compile the method.
-public class Main {
-
-  public static void expectEquals(int expected, int result) {
-    if (expected != result) {
-      throw new Error("Expected: " + expected + ", found: " + result);
-    }
-  }
-
-  public static void expectEquals(long expected, long result) {
-    if (expected != result) {
-      throw new Error("Expected: " + expected + ", found: " + result);
-    }
-  }
-
-  public static void expectEquals(float expected, float result) {
-    if (expected != result) {
-      throw new Error("Expected: " + expected + ", found: " + result);
-    }
-  }
-
-  public static void expectEquals(double expected, double result) {
-    if (expected != result) {
-      throw new Error("Expected: " + expected + ", found: " + result);
-    }
-  }
-
-  public static void expectApproxEquals(float a, float b, float maxDelta) {
-    boolean aproxEquals = (a > b)
-      ? ((a - b) < maxDelta)
-      : ((b - a) < maxDelta);
-    if (!aproxEquals) {
-      throw new Error("Expected: " + a + ", found: " + b + ", with delta: " + maxDelta);
-    }
-  }
-
-  public static void expectApproxEquals(double a, double b, double maxDelta) {
-    boolean aproxEquals = (a > b)
-      ? ((a - b) < maxDelta)
-      : ((b - a) < maxDelta);
-    if (!aproxEquals) {
-      throw new Error("Expected: " + a + ", found: " + b + ", with delta: " + maxDelta);
-    }
-  }
-
-  public static void expectNaN(float a) {
-    if (a == a) {
-      throw new Error("Expected NaN: " + a);
-    }
-  }
-
-  public static void expectNaN(double a) {
-    if (a == a) {
-      throw new Error("Expected NaN: " + a);
-    }
-  }
-
-  public static void main(String[] args) {
-    negInt();
-    $opt$InplaceNegOneInt(1);
-
-    negLong();
-    $opt$InplaceNegOneLong(1L);
-  }
-
-  private static void negInt() {
-    expectEquals(-1, $opt$NegInt(1));
-    expectEquals(1, $opt$NegInt(-1));
-    expectEquals(0, $opt$NegInt(0));
-    expectEquals(51, $opt$NegInt(-51));
-    expectEquals(-51, $opt$NegInt(51));
-    expectEquals(2147483647, $opt$NegInt(-2147483647));  // (2^31 - 1)
-    expectEquals(-2147483647, $opt$NegInt(2147483647));  // -(2^31 - 1)
-    // From the Java 7 SE Edition specification:
-    // http://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls-15.15.4
-    //
-    //   For integer values, negation is the same as subtraction from
-    //   zero.  The Java programming language uses two's-complement
-    //   representation for integers, and the range of two's-complement
-    //   values is not symmetric, so negation of the maximum negative
-    //   int or long results in that same maximum negative number.
-    //   Overflow occurs in this case, but no exception is thrown.
-    //   For all integer values x, -x equals (~x)+1.''
-    expectEquals(-2147483648, $opt$NegInt(-2147483648)); // -(2^31)
-  }
-
-  private static void $opt$InplaceNegOneInt(int a) {
-    a = -a;
-    expectEquals(-1, a);
-  }
-
-  private static void negLong() {
-    expectEquals(-1L, $opt$NegLong(1L));
-    expectEquals(1L, $opt$NegLong(-1L));
-    expectEquals(0L, $opt$NegLong(0L));
-    expectEquals(51L, $opt$NegLong(-51L));
-    expectEquals(-51L, $opt$NegLong(51L));
-    expectEquals(9223372036854775807L, $opt$NegLong(-9223372036854775807L));  // (2^63 - 1)
-    expectEquals(-9223372036854775807L, $opt$NegLong(9223372036854775807L));  // -(2^63 - 1)
-    // See comment in negInt().
-    expectEquals(-9223372036854775808L, $opt$NegLong(-9223372036854775808L)); // -(2^63)
-  }
-
-  private static void $opt$InplaceNegOneLong(long a) {
-    a = -a;
-    expectEquals(-1L, a);
-  }
-
-  static int $opt$NegInt(int a){
-    return -a;
-  }
-
-  static long $opt$NegLong(long a){
-    return -a;
-  }
-}
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index 5b95beb..6822825 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -317,7 +317,6 @@
   412-new-array \
   413-regalloc-regression \
   414-optimizing-arith-sub \
-  415-optimizing-arith-neg \
   700-LoadArgRegs \
   800-smali