diff --git a/contrib/crossrpms/rtems4.7/gcc.am b/contrib/crossrpms/rtems4.7/gcc.am
index 7bbeee310d..75e441129d 100644
--- a/contrib/crossrpms/rtems4.7/gcc.am
+++ b/contrib/crossrpms/rtems4.7/gcc.am
@@ -31,7 +31,6 @@ $(TARGET)-gcc.spec.in: $(GCC_SUBPACKAGES) Makefile.am $(srcdir)/gcc-sources.add
 	  -e "/--with-sysroot/d" \
 	  -e "/[@]tool_target[@]-sys-root/d" \
 	  -e "/[@]tool_target[@]-w32api-sys-root/d" \
-	  -e 's,^%define build_newlib.*$$,%define build_newlib 1,' \
 	  > $(TARGET)-gcc.spec.in
 CLEANFILES += $(TARGET)-gcc.spec.in