diff --git a/core/pom.xml b/core/pom.xml
index 6d6d34f9ebdb..0fdf38010a80 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -76,10 +76,6 @@
             <groupId>org.xerial.snappy</groupId>
             <artifactId>snappy-java</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.ow2.asm</groupId>
-            <artifactId>asm</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.twitter</groupId>
             <artifactId>chill_${scala.binary.version}</artifactId>
diff --git a/core/src/main/scala/org/apache/spark/util/ClosureCleaner.scala b/core/src/main/scala/org/apache/spark/util/ClosureCleaner.scala
index 1df6b87fb073..850b5364311a 100644
--- a/core/src/main/scala/org/apache/spark/util/ClosureCleaner.scala
+++ b/core/src/main/scala/org/apache/spark/util/ClosureCleaner.scala
@@ -22,8 +22,9 @@ import java.lang.reflect.Field
 import scala.collection.mutable.Map
 import scala.collection.mutable.Set
 
-import org.objectweb.asm.{ClassReader, ClassVisitor, MethodVisitor, Type}
-import org.objectweb.asm.Opcodes._
+import com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.{ClassReader, ClassVisitor, MethodVisitor, Type}
+import com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.Opcodes._
+
 import java.io.{InputStream, IOException, ByteArrayOutputStream, ByteArrayInputStream, BufferedInputStream}
 import org.apache.spark.Logging
 
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/util/BytecodeUtils.scala b/graphx/src/main/scala/org/apache/spark/graphx/util/BytecodeUtils.scala
index d1528e2f07cf..a05de313f99e 100644
--- a/graphx/src/main/scala/org/apache/spark/graphx/util/BytecodeUtils.scala
+++ b/graphx/src/main/scala/org/apache/spark/graphx/util/BytecodeUtils.scala
@@ -23,9 +23,8 @@ import scala.collection.mutable.HashSet
 
 import org.apache.spark.util.Utils
 
-import org.objectweb.asm.{ClassReader, ClassVisitor, MethodVisitor}
-import org.objectweb.asm.Opcodes._
-
+import com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.{ClassReader, ClassVisitor, MethodVisitor}
+import com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.Opcodes._
 
 /**
  * Includes an utility function to test whether a function accesses a specific attribute
diff --git a/pom.xml b/pom.xml
index efd492c25ac1..e82d9e8510f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -195,11 +195,6 @@
         <artifactId>snappy-java</artifactId>
         <version>1.0.5</version>
       </dependency>
-      <dependency>
-        <groupId>org.ow2.asm</groupId>
-        <artifactId>asm</artifactId>
-        <version>4.0</version>
-      </dependency>
       <dependency>
         <groupId>com.clearspring.analytics</groupId>
         <artifactId>stream</artifactId>
diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala
index c603c4bbde6f..52e894e25635 100644
--- a/project/SparkBuild.scala
+++ b/project/SparkBuild.scala
@@ -271,7 +271,6 @@ object SparkBuild extends Build {
         "commons-daemon"           % "commons-daemon"   % "1.0.10", // workaround for bug HADOOP-9407
         "com.ning"                 % "compress-lzf"     % "1.0.0",
         "org.xerial.snappy"        % "snappy-java"      % "1.0.5",
-        "org.ow2.asm"              % "asm"              % "4.0",
         "org.spark-project.akka"  %% "akka-remote"      % "2.2.3-shaded-protobuf"  excludeAll(excludeNetty),
         "org.spark-project.akka"  %% "akka-slf4j"       % "2.2.3-shaded-protobuf"  excludeAll(excludeNetty),
         "org.spark-project.akka"  %% "akka-testkit"     % "2.2.3-shaded-protobuf" % "test",
diff --git a/repl/src/main/scala/org/apache/spark/repl/ExecutorClassLoader.scala b/repl/src/main/scala/org/apache/spark/repl/ExecutorClassLoader.scala
index 3e171849e349..9bf7beec82cc 100644
--- a/repl/src/main/scala/org/apache/spark/repl/ExecutorClassLoader.scala
+++ b/repl/src/main/scala/org/apache/spark/repl/ExecutorClassLoader.scala
@@ -24,8 +24,8 @@ import java.util.concurrent.{Executors, ExecutorService}
 import org.apache.hadoop.conf.Configuration
 import org.apache.hadoop.fs.{FileSystem, Path}
 
-import org.objectweb.asm._
-import org.objectweb.asm.Opcodes._
+import com.esotericsoftware.reflectasm.shaded.org.objectweb.asm._
+import com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.Opcodes._
 
 
 /**