diff --git a/openair1/PHY/impl_defs_top.h b/openair1/PHY/impl_defs_top.h
index cfb6f2208d..f9f712b052 100755
--- a/openair1/PHY/impl_defs_top.h
+++ b/openair1/PHY/impl_defs_top.h
@@ -237,7 +237,6 @@
 #define AMP 128
 #else
 #define AMP 512//1024 //4096
-#define AMP_BPSK 724
 #endif
 
 #define AMP_OVER_SQRT2 ((AMP*ONE_OVER_SQRT2_Q15)>>15)