diff --git a/radio/FirComplex.hpp b/radio/FirComplex.hpp
index 5c13e51..a24de1c 100644
--- a/radio/FirComplex.hpp
+++ b/radio/FirComplex.hpp
@@ -38,11 +38,6 @@ public:
 		m_state.reverse() << m_state.head(m_numTaps-1).reverse(), x;
 	}
 
-	static void feed(CVec &state, ComplexScalar const &x)
-	{
-		state.reverse() << state.head(state.size()-1).reverse(), x;
-	}
-
 	ComplexScalar process(CVec const &coeff)
 	{
 		return m_state.transpose() * coeff.conjugate();
@@ -53,11 +48,6 @@ public:
 		return m_state.transpose() * coeff;
 	}
 
-	static ComplexScalar processReal(CVec const &state, RVec const &coeff)
-	{
-		return state.transpose() * coeff;
-	}
-
 protected:
 	uint32_t m_numTaps;
 	CVec m_state;