diff --git a/lib/src/phy/channel/gauss.c b/lib/src/phy/channel/gauss.c
index 00e6ea5ba..8bb7680b6 100644
--- a/lib/src/phy/channel/gauss.c
+++ b/lib/src/phy/channel/gauss.c
@@ -21,7 +21,6 @@
 
 #include <math.h>
 #include <stdlib.h>
-#include <string.h>
 
 float rand_gauss(void)
 {