diff --git a/lib/sdk/crt/math/abs.c b/lib/sdk/crt/math/abs.c
index 4690af323a0..a18f19b2666 100644
--- a/lib/sdk/crt/math/abs.c
+++ b/lib/sdk/crt/math/abs.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
 
-#ifndef _MSC_VER
 /*
  * @implemented
  */
@@ -9,4 +8,3 @@ abs(int j)
 {
   return j<0 ? -j : j;
 }
-#endif
diff --git a/lib/sdk/crt/math/labs.c b/lib/sdk/crt/math/labs.c
index dcfd8644655..b4fc33ec0a0 100644
--- a/lib/sdk/crt/math/labs.c
+++ b/lib/sdk/crt/math/labs.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
 
-#ifndef _MSC_VER
 /*
  * @implemented
  */
@@ -9,4 +8,3 @@ labs(long j)
 {
   return j<0 ? -j : j;
 }
-#endif
diff --git a/lib/sdk/crt/mem/memcmp.c b/lib/sdk/crt/mem/memcmp.c
index e212e82c409..078238ebd20 100644
--- a/lib/sdk/crt/mem/memcmp.c
+++ b/lib/sdk/crt/mem/memcmp.c
@@ -2,8 +2,6 @@
  * $Id$
  */
 
-#ifndef _MSC_VER
-
 #include <string.h>
 
 int memcmp(const void *s1, const void *s2, size_t n)
@@ -17,5 +15,3 @@ int memcmp(const void *s1, const void *s2, size_t n)
     }
     return 0;
 }
-
-#endif