diff --git a/devel/chromium-gn/Makefile b/devel/chromium-gn/Makefile
index 01781e1d7d0f..28ba1b103778 100644
--- a/devel/chromium-gn/Makefile
+++ b/devel/chromium-gn/Makefile
@@ -11,7 +11,6 @@ EXPIRATION_DATE=	2020-09-15
 
 MASTERDIR=	${.CURDIR}/../../www/chromium
 
-BROKEN=		fails to extract
 BROKEN_FreeBSD_11_powerpc64=	fails to compile: safe_math_clang_gcc_impl.h:132:45: '__builtin_subcb' was not declared in this scope
 BROKEN_FreeBSD_12_powerpc64=	fails to compile: safe_math_clang_gcc_impl.h:132:45: '__builtin_subcb' was not declared in this scope
 
@@ -25,10 +24,6 @@ PLIST_FILES=	bin/gn
 
 GN_ONLY=	yes
 
-post-extract:
-	@${CP} ${WRKSRC}/base/numerics/safe_math_arm_impl.h ${WRKSRC}/tools/gn/base/numerics
-	@${CP} ${WRKSRC}/base/numerics/safe_conversions_arm_impl.h ${WRKSRC}/tools/gn/base/numerics
-
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/out/${BUILDTYPE}/gn ${STAGEDIR}${PREFIX}/bin