diff --git a/sdrbase/dsp/pidcontroller.cpp b/sdrbase/dsp/pidcontroller.cpp
deleted file mode 100644
index 8b015f6b7..000000000
--- a/sdrbase/dsp/pidcontroller.cpp
+++ /dev/null
@@ -1,17 +0,0 @@
-#include "pidcontroller.h"
-
-PIDController::PIDController() :
-	m_p(0.0),
-	m_i(0.0),
-	m_d(0.0),
-	m_int(0.0),
-	m_diff(0.0)
-{
-}
-
-void PIDController::setup(Real p, Real i, Real d)
-{
-	m_p = p;
-	m_i = i;
-	m_d = d;
-}
diff --git a/sdrbase/dsp/pidcontroller.h b/sdrbase/dsp/pidcontroller.h
deleted file mode 100644
index 7b96793fa..000000000
--- a/sdrbase/dsp/pidcontroller.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef INCLUDE_PIDCONTROLLER_H
-#define INCLUDE_PIDCONTROLLER_H
-
-#include "dsp/dsptypes.h"
-
-class PIDController {
-private:
-	Real m_p;
-	Real m_i;
-	Real m_d;
-	Real m_int;
-	Real m_diff;
-
-public:
-	PIDController();
-
-	void setup(Real p, Real i, Real d);
-
-	Real feed(Real v)
-	{
-		m_int += v * m_i;
-		Real d = m_d * (m_diff - v);
-		m_diff = v;
-		return (v * m_p) + m_int + d;
-	}
-};
-
-#endif // INCLUDE_PIDCONTROLLER_H