diff --git a/tests/lbpm_color_simulator.h b/tests/lbpm_color_simulator.h
index 91a96de7..2b4d5119 100644
--- a/tests/lbpm_color_simulator.h
+++ b/tests/lbpm_color_simulator.h
@@ -189,7 +189,7 @@ void run_analysis( int timestep, int restart_interval,
         // Identify blobs and update global ids in time
         type = static_cast<AnalysisType>( type | IdentifyBlobs );
     }
-    #ifdef USE_CUDA
+    /*    #ifdef USE_CUDA
         if ( tpool.getQueueSize()<=3 && tpool.getNumThreads()>0 && timestep%50==0 ) {
             // Keep a few blob identifications queued up to keep the processors busy,
             // allowing us to track the blobs as fast as possible
@@ -197,6 +197,7 @@ void run_analysis( int timestep, int restart_interval,
             type = static_cast<AnalysisType>( type | IdentifyBlobs );
         }
     #endif
+    */
     if ( timestep%1000 == 0 ) {
         // Copy the averages to the CPU (and identify blobs)
         type = static_cast<AnalysisType>( type | CopyAverages );