diff --git a/libfreerdp/codec/dsp.c b/libfreerdp/codec/dsp.c
index 51c2bf572..7a4667050 100644
--- a/libfreerdp/codec/dsp.c
+++ b/libfreerdp/codec/dsp.c
@@ -721,7 +721,6 @@ static BOOL freerdp_dsp_encode_ima_adpcm(FREERDP_DSP_CONTEXT* context, const BYT
                                          wStream* out)
 {
 	int i;
-	size_t start;
 	INT16 sample;
 	BYTE encoded;
 	size_t align;