diff --git a/src/system/libroot/posix/fenv/arm/fenv.c b/src/system/libroot/posix/fenv/arm/fenv.c
index 3b3e8a093f..406de4a508 100644
--- a/src/system/libroot/posix/fenv/arm/fenv.c
+++ b/src/system/libroot/posix/fenv/arm/fenv.c
@@ -26,6 +26,7 @@
  * $FreeBSD$
  */
 
+#if 0 // disabled for now
 #include <posix/fenv.h>
 
 /*
@@ -33,3 +34,5 @@
  * this as a default environment.
  */
 const fenv_t __fe_dfl_env = 0;
+#endif
+
diff --git a/src/system/libroot/posix/fenv/powerpc/fenv.c b/src/system/libroot/posix/fenv/powerpc/fenv.c
index f8651e7276..fc5e716a92 100644
--- a/src/system/libroot/posix/fenv/powerpc/fenv.c
+++ b/src/system/libroot/posix/fenv/powerpc/fenv.c
@@ -26,6 +26,8 @@
  * $FreeBSD$
  */
 
+#if 0 // disabled for now
 #include <posix/fenv.h>
 
 const fenv_t __fe_dfl_env = 0x00000000;
+#endif