diff --git a/include/common.h b/include/common.h
index 97c04df588ed641d50435f571342e0bb8b640a34..d5020c8c45d1afc515e02433ea2513ab6b99d28e 100644
--- a/include/common.h
+++ b/include/common.h
@@ -181,9 +181,6 @@ typedef void (interrupt_handler_t)(void *);
 		typeof(Y) __y = (Y);		\
 		(__x > __y) ? __x : __y; })
 
-#define MIN(x, y)  min(x, y)
-#define MAX(x, y)  max(x, y)
-
 #define min3(X, Y, Z)				\
 	({ typeof(X) __x = (X);			\
 		typeof(Y) __y = (Y);		\
@@ -198,9 +195,6 @@ typedef void (interrupt_handler_t)(void *);
 		__x > __y ? (__x > __z ? __x : __z) :	\
 		(__y > __z ? __y : __z); })
 
-#define MIN3(x, y, z)  min3(x, y, z)
-#define MAX3(x, y, z)  max3(x, y, z)
-
 /*
  * Return the absolute value of a number.
  *