diff --git a/desmume/src/filter/interp.h b/desmume/src/filter/interp.h
index dad92d4c6..856a8192f 100644
--- a/desmume/src/filter/interp.h
+++ b/desmume/src/filter/interp.h
@@ -277,8 +277,6 @@ static int interp_32_diff(u32 p1, u32 p2)
 #define INTERP_LIMIT2 (96000)
 //#define ABS(x) ((x) < 0 ? -(x) : (x))
 static FORCEINLINE u32 ABS(s32 x) { return (x+(x>>31))^(x>>31); } // faster
-#define MAX(x,y) ((x) > (y) ? (x) : (y))
-#define MIN(x,y) ((x) < (y) ? (x) : (y))
 //
 //static int interp_16_diff2(u16 p1, u16 p2)
 //{
diff --git a/desmume/src/types.h b/desmume/src/types.h
index ce794d5a7..0b1368af5 100644
--- a/desmume/src/types.h
+++ b/desmume/src/types.h
@@ -19,6 +19,8 @@
 #ifndef TYPES_HPP
 #define TYPES_HPP
 
+#include <retro_miscellaneous.h>
+
 //analyze microsoft compilers
 #ifdef _MSC_VER
 	#define HOST_WINDOWS
@@ -303,8 +305,6 @@ typedef int desmume_BOOL;
 #define MB(x) ((x)*1024*1024)
 #define KB(x) ((x)*1024)
 
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-
 #define CPU_STR(c) ((c==ARM9)?"ARM9":"ARM7")
 typedef enum
 {