diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 623f38e77829..dcbfa42caef6 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -25,7 +25,6 @@
 #include <asm/uaccess.h>
 
 #define RNG_MODULE_NAME		"hw_random"
-#define PFX			RNG_MODULE_NAME ": "
 
 static struct hwrng *current_rng;
 static struct task_struct *hwrng_fill;