diff --git a/core/pom.xml b/core/pom.xml
index 88f0ed70f3c03841fdc938ac56ede2ff1b0900eb..5edafb3706f65be3465e9c03b4c60b7bea84068f 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -55,6 +55,10 @@
       <groupId>com.typesafe.akka</groupId>
       <artifactId>akka-slf4j</artifactId>
     </dependency>
+    <dependency>
+      <groupId>net.liftweb</groupId>
+      <artifactId>lift-json_2.9.2</artifactId>
+    </dependency>
     <dependency>
       <groupId>it.unimi.dsi</groupId>
       <artifactId>fastutil</artifactId>
@@ -63,22 +67,6 @@
       <groupId>colt</groupId>
       <artifactId>colt</artifactId>
     </dependency>
-    <dependency>
-      <groupId>cc.spray</groupId>
-      <artifactId>spray-can</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>cc.spray</groupId>
-      <artifactId>spray-server</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>cc.spray</groupId>
-      <artifactId>spray-json_2.9.2</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.tomdz.twirl</groupId>
-      <artifactId>twirl-api</artifactId>
-    </dependency>
     <dependency>
       <groupId>com.github.scala-incubator.io</groupId>
       <artifactId>scala-io-file_2.9.2</artifactId>
@@ -171,10 +159,6 @@
           </environmentVariables>
         </configuration>
       </plugin>
-      <plugin>
-        <groupId>org.tomdz.twirl</groupId>
-        <artifactId>twirl-maven-plugin</artifactId>
-      </plugin>
     </plugins>
   </build>
 
diff --git a/pom.xml b/pom.xml
index 3bcb2a3f345dc25708f56369e6b34fe8f0ae53d3..81043e3b6c84b2dce5e133e437a3f62ba4117d90 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,8 +54,6 @@
     <scala.version>2.9.3</scala.version>
     <mesos.version>0.9.0-incubating</mesos.version>
     <akka.version>2.0.3</akka.version>
-    <spray.version>1.0-M2.1</spray.version>
-    <spray.json.version>1.1.1</spray.json.version>
     <slf4j.version>1.6.1</slf4j.version>
     <cdh.version>4.1.2</cdh.version>
     <log4j.version>1.2.17</log4j.version>
@@ -98,17 +96,6 @@
         <enabled>false</enabled>
       </snapshots>
     </repository>
-    <repository>
-      <id>spray-repo</id>
-      <name>Spray Repository</name>
-      <url>http://repo.spray.cc/</url>
-      <releases>
-        <enabled>true</enabled>
-      </releases>
-      <snapshots>
-        <enabled>false</enabled>
-      </snapshots>
-    </repository>
     <repository>
       <id>twitter4j-repo</id>
       <name>Twitter4J Repository</name>
@@ -229,26 +216,6 @@
         <artifactId>colt</artifactId>
         <version>1.2.0</version>
       </dependency>
-      <dependency>
-        <groupId>cc.spray</groupId>
-        <artifactId>spray-can</artifactId>
-        <version>${spray.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>cc.spray</groupId>
-        <artifactId>spray-server</artifactId>
-        <version>${spray.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>cc.spray</groupId>
-        <artifactId>spray-json_2.9.2</artifactId>
-        <version>${spray.json.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.tomdz.twirl</groupId>
-        <artifactId>twirl-api</artifactId>
-        <version>1.0.2</version>
-      </dependency>
       <dependency>
         <groupId>com.github.scala-incubator.io</groupId>
         <artifactId>scala-io-file_2.9.2</artifactId>
@@ -270,7 +237,11 @@
         <version>10.4.2.0</version>
         <scope>test</scope>
       </dependency>
-
+      <dependency>
+        <groupId>net.liftweb</groupId>
+        <artifactId>lift-json_2.9.2</artifactId>
+        <version>2.5</version>
+      </dependency>
       <dependency>
         <groupId>org.scala-lang</groupId>
         <artifactId>scala-compiler</artifactId>
@@ -346,18 +317,6 @@
           <artifactId>build-helper-maven-plugin</artifactId>
           <version>1.7</version>
         </plugin>
-        <plugin>
-          <groupId>org.tomdz.twirl</groupId>
-          <artifactId>twirl-maven-plugin</artifactId>
-          <version>1.0.1</version>
-          <executions>
-            <execution>
-              <goals>
-                <goal>generate</goal>
-              </goals>
-            </execution>
-          </executions>
-        </plugin>
         <plugin>
           <groupId>net.alchim31.maven</groupId>
           <artifactId>scala-maven-plugin</artifactId>