diff --git a/openbr/plugins/distance/threshold.cpp b/openbr/plugins/distance/threshold.cpp
deleted file mode 100644
index c6212df..0000000
--- a/openbr/plugins/distance/threshold.cpp
+++ /dev/null
@@ -1,62 +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>
-
-namespace br
-{
-
-/*!
- * \ingroup distances
- * \brief Applys a hard threshold to similarity values.
- * \author Scott Klum \cite sklum
- */
-class ThresholdDistance : public Distance
-{
-    Q_OBJECT
-
-    Q_PROPERTY(br::Distance* distance READ get_distance WRITE set_distance RESET reset_distance)
-    Q_PROPERTY(float min READ get_min WRITE set_min RESET reset_min)
-    Q_PROPERTY(float max READ get_max WRITE set_max RESET reset_max)
-    BR_PROPERTY(br::Distance*, distance, NULL)
-    BR_PROPERTY(float, min, -std::numeric_limits<float>::max())
-    BR_PROPERTY(float, max, std::numeric_limits<float>::max())
-
-    bool trainable()
-    {
-        return distance->trainable();
-    }
-
-    void train(const TemplateList &src)
-    {
-        distance->train(src);
-    }
-
-    float compare(const Template &a, const Template &b) const
-    {
-        float value = distance->compare(a,b);
-        if (value < min) value = min;
-        else if (value > max) value = max;
-        return value;
-    }
-};
-
-BR_REGISTER(Distance, ThresholdDistance)
-
-} // namespace br
-
-#include "distance/threshold.moc"
-