diff --git a/radio/interpolation/Farrow.hpp b/radio/interpolation/Farrow.hpp
index 6e141ad..305c3de 100644
--- a/radio/interpolation/Farrow.hpp
+++ b/radio/interpolation/Farrow.hpp
@@ -64,7 +64,7 @@ public:
 	void process()
 	{
 		// Get buffers
-		auto m_buf_in = dynamic_cast<Processor::Buffer<ComplexScalar>*>(buffer_in());
+		auto buf_in = dynamic_cast<Processor::Buffer<ComplexScalar>*>(buffer_in());
 		auto buf_out = dynamic_cast<Processor::Buffer<ComplexScalar>*>(buffer_out());
 
 		// Process input
@@ -73,14 +73,14 @@ public:
 			size_t adv = m_timingGenerator.getAdv();
 			radio_float_t mu = m_timingGenerator.getMu();
 
-			if (m_buf_in->len() < adv)
+			if (buf_in->len() < adv)
 			{
 				break;
 			}
 
 			if (adv != 0)
 			{
-				m_fir.feed(*m_buf_in, adv);
+				m_fir.feed(*buf_in, adv);
 				
 				// Partial filter responses
 				for (int i=0; i < m_M; i++)
diff --git a/radio/interpolation/PolyPhase.hpp b/radio/interpolation/PolyPhase.hpp
index 66c0093..8b4022e 100644
--- a/radio/interpolation/PolyPhase.hpp
+++ b/radio/interpolation/PolyPhase.hpp
@@ -64,7 +64,7 @@ public:
 	void process()
 	{
 		// Get buffers
-		auto m_buf_in = dynamic_cast<Processor::Buffer<ComplexScalar>*>(buffer_in());
+		auto buf_in = dynamic_cast<Processor::Buffer<ComplexScalar>*>(buffer_in());
 		auto buf_out = dynamic_cast<Processor::Buffer<ComplexScalar>*>(buffer_out());
 
 		// Process input
@@ -73,14 +73,14 @@ public:
 			size_t adv = m_timingGenerator.getAdv();
 			radio_float_t mu = m_timingGenerator.getMu();
 
-			if (m_buf_in->len() < adv)
+			if (buf_in->len() < adv)
 			{
 				break;
 			}
 
 			if (adv != 0)
 			{
-				m_fir.feed(*m_buf_in, adv);
+				m_fir.feed(*buf_in, adv);
 			}
 
 			// Polyphase filtering