diff --git a/libmatroska2/tremor/os.h b/libmatroska2/tremor/os.h
index 95e6e27d..cab0895f 100644
--- a/libmatroska2/tremor/os.h
+++ b/libmatroska2/tremor/os.h
@@ -38,7 +38,7 @@
 
 #ifdef _WIN32
 #  include <malloc.h>
-#  define rint(x)   (floor((x)+0.5f)) 
+#  define rint(x)   (floor((x)+0.5f))
 #  define NO_FLOAT_MATH_LIB
 #  define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b))
 #  define LITTLE_ENDIAN 1
@@ -53,12 +53,4 @@
 #  include <memory.h>
 #endif
 
-#ifndef min
-#  define min(x,y)  ((x)>(y)?(y):(x))
-#endif
-
-#ifndef max
-#  define max(x,y)  ((x)<(y)?(y):(x))
-#endif
-
 #endif /* _OS_H */