diff --git a/openbr/plugins/cuda/threshold.cpp b/openbr/plugins/cuda/threshold.cpp
deleted file mode 100644
index 219dccf..0000000
--- a/openbr/plugins/cuda/threshold.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-#include <iostream>
-
-#include <opencv2/opencv.hpp>
-#include <opencv2/gpu/gpu.hpp>
-
-#include <openbr/plugins/openbr_internal.h>
-
-using namespace std;
-
-using namespace cv;
-using namespace cv::gpu;
-
-namespace br
-{
-  class CUDAThreshold : public UntrainableTransform
-  {
-    Q_OBJECT
-
-private:
-    void project(const Template &src, Template &dst) const
-    {
-      // get the mat to send to the GPU
-      GpuMat gpuMat_src, gpuMat_dst;
-
-      try
-      {
-        // copy the contents to the GPU
-        gpuMat_src.upload(src.m());
-
-        threshold(gpuMat_src, gpuMat_dst, 128.0, 255.0, CV_THRESH_BINARY);
-
-        gpuMat_dst.download(dst.m());
-      }
-      catch(const cv::Exception& ex)
-      {
-        cout << "Error: " << ex.what() << endl;
-      }
-    }
-  };
-
-  BR_REGISTER(Transform, CUDAThreshold);
-}
-
-#include "cuda/threshold.moc"