diff --git a/sdrbase/dsp/agc.cpp b/sdrbase/dsp/agc.cpp
index 41799bb34..94b77cd0b 100644
--- a/sdrbase/dsp/agc.cpp
+++ b/sdrbase/dsp/agc.cpp
@@ -176,46 +176,3 @@ double MagAGC::feedAndGetValue(const Complex& ci)
         return m_u0;
     }
 }
-
-
-AlphaAGC::AlphaAGC(int historySize, Real R) :
-	AGC(historySize, R),
-	m_alpha(0.5),
-	m_magsq(0.0),
-	m_squelchOpen(true)
-{}
-
-
-AlphaAGC::AlphaAGC(int historySize, Real R, Real alpha) :
-	AGC(historySize, R),
-	m_alpha(alpha),
-	m_magsq(0.0),
-	m_squelchOpen(true)
-{}
-
-AlphaAGC::~AlphaAGC()
-{}
-
-void AlphaAGC::resize(int historySize, Real R, Real alpha)
-{
-	 m_R = R;
-	 m_alpha = alpha;
-	 m_squelchOpen = true;
-	 m_moving_average.resize(historySize, R);
-}
-
-void AlphaAGC::feed(Complex& ci)
-{
-	m_magsq = ci.real()*ci.real() + ci.imag()*ci.imag();
-
-	if (m_squelchOpen && (m_magsq))
-	{
-		m_moving_average.feed(m_moving_average.average() - m_alpha*(m_moving_average.average() - m_magsq));
-	}
-	else
-	{
-		//m_squelchOpen = true;
-		m_moving_average.feed(m_magsq);
-	}
-	ci *= m_u0;
-}
diff --git a/sdrbase/dsp/agc.h b/sdrbase/dsp/agc.h
index 8dbc8293c..101df8eab 100644
--- a/sdrbase/dsp/agc.h
+++ b/sdrbase/dsp/agc.h
@@ -66,22 +66,6 @@ private:
     double m_clampMax;     //!< maximum to clamp to as power value
 };
 
-
-class AlphaAGC : public AGC
-{
-public:
-	AlphaAGC(int historySize, Real R);
-	AlphaAGC(int historySize, Real R, Real alpha);
-	virtual ~AlphaAGC();
-    void resize(int historySize, Real R, Real alpha);
-	virtual void feed(Complex& ci);
-	Real getMagSq() const { return m_magsq; }
-private:
-	Real m_alpha;
-	Real m_magsq;
-	bool m_squelchOpen;
-};
-
 template<uint32_t AvgSize>
 class SimpleAGC
 {