diff --git a/openbr/plugins/imgproc/rank.cpp b/openbr/plugins/imgproc/rank.cpp
deleted file mode 100644
index 0e32dec..0000000
--- a/openbr/plugins/imgproc/rank.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * Copyright 2012 The MITRE Corporation                                      *
- *                                                                           *
- * Licensed under the Apache License, Version 2.0 (the "License");           *
- * you may not use this file except in compliance with the License.          *
- * You may obtain a copy of the License at                                   *
- *                                                                           *
- *     http://www.apache.org/licenses/LICENSE-2.0                            *
- *                                                                           *
- * Unless required by applicable law or agreed to in writing, software       *
- * distributed under the License is distributed on an "AS IS" BASIS,         *
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  *
- * See the License for the specific language governing permissions and       *
- * limitations under the License.                                            *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-#include <openbr/plugins/openbr_internal.h>
-#include <openbr/core/common.h>
-#include <openbr/core/opencvutils.h>
-
-using namespace cv;
-
-namespace br
-{
-
-/*!
- * \ingroup transforms
- * \brief Converts each element to its rank-ordered value.
- * \author Josh Klontz \cite jklontz
- */
-class RankTransform : public UntrainableTransform
-{
-    Q_OBJECT
-
-    void project(const Template &src, Template &dst) const
-    {
-        const Mat &m = src;
-        assert(m.channels() == 1);
-        dst = Mat(m.rows, m.cols, CV_32FC1);
-        typedef QPair<float,int> Tuple;
-        QList<Tuple> tuples = Common::Sort(OpenCVUtils::matrixToVector<float>(m));
-
-        float prevValue = 0;
-        int prevRank = 0;
-        for (int i=0; i<tuples.size(); i++) {
-            int rank;
-            if (tuples[i].first == prevValue) rank = prevRank;
-            else                              rank = i;
-            dst.m().at<float>(tuples[i].second / m.cols, tuples[i].second % m.cols) = rank;
-            prevValue = tuples[i].first;
-            prevRank = rank;
-        }
-    }
-};
-
-BR_REGISTER(Transform, RankTransform)
-
-} // namespace br
-
-#include "imgproc/rank.moc"