diff --git a/src/cpu/testers/gpu_ruby_test/cpu_thread.cc b/src/cpu/testers/gpu_ruby_test/cpu_thread.cc
index fa801b3ed7..d0ac10ea81 100644
--- a/src/cpu/testers/gpu_ruby_test/cpu_thread.cc
+++ b/src/cpu/testers/gpu_ruby_test/cpu_thread.cc
@@ -43,12 +43,6 @@ CpuThread::CpuThread(const Params &p)
     assert(numLanes == 1);
 }
 
-CpuThread*
-CpuThreadParams::create() const
-{
-    return new CpuThread(*this);
-}
-
 void
 CpuThread::issueLoadOps()
 {
diff --git a/src/cpu/testers/gpu_ruby_test/dma_thread.cc b/src/cpu/testers/gpu_ruby_test/dma_thread.cc
index 254158dc00..e5f79c973f 100644
--- a/src/cpu/testers/gpu_ruby_test/dma_thread.cc
+++ b/src/cpu/testers/gpu_ruby_test/dma_thread.cc
@@ -48,12 +48,6 @@ DmaThread::~DmaThread()
 
 }
 
-DmaThread*
-DmaThreadParams::create() const
-{
-    return new DmaThread(*this);
-}
-
 void
 DmaThread::issueLoadOps()
 {
diff --git a/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc b/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
index f2f1343e8a..a90b204da5 100644
--- a/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
+++ b/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
@@ -48,12 +48,6 @@ GpuWavefront::~GpuWavefront()
 
 }
 
-GpuWavefront*
-GpuWavefrontParams::create() const
-{
-    return new GpuWavefront(*this);
-}
-
 void
 GpuWavefront::issueLoadOps()
 {
diff --git a/src/cpu/testers/gpu_ruby_test/protocol_tester.cc b/src/cpu/testers/gpu_ruby_test/protocol_tester.cc
index a8f84081c4..95e6035805 100644
--- a/src/cpu/testers/gpu_ruby_test/protocol_tester.cc
+++ b/src/cpu/testers/gpu_ruby_test/protocol_tester.cc
@@ -357,9 +357,3 @@ ProtocolTester::SeqPort::recvTimingResp(PacketPtr pkt)
 
     return true;
 }
-
-ProtocolTester*
-ProtocolTesterParams::create() const
-{
-    return new ProtocolTester(*this);
-}