diff --git a/lang/gcc9/Makefile b/lang/gcc9/Makefile
index 51cc78ca41d7c..206a6d8743c51 100644
--- a/lang/gcc9/Makefile
+++ b/lang/gcc9/Makefile
@@ -65,7 +65,6 @@ CXXFLAGS:=	${CFLAGS:S/mcpu=g/mcpu=G/}
 CONFIGURE_TARGET=	x86_64-portbld-${OPSYS:tl}${OSREL}
 
 .elif ${ARCH} == powerpc64
-CONFIGURE_ENV+=	UNAME_m="powerpc64"
 . if defined(PPC_ABI) && ${PPC_ABI} == ELFv2
 CONFIGURE_ARGS+=	--with-abi=elfv2
 . else