diff --git a/graphics/rubygem-opengl/Makefile b/graphics/rubygem-opengl/Makefile
index 77b9facdee56..08382f730b3d 100644
--- a/graphics/rubygem-opengl/Makefile
+++ b/graphics/rubygem-opengl/Makefile
@@ -16,10 +16,6 @@ LICENSE_FILE=	${WRKSRC}/MIT-LICENSE
 USES=		gl gem
 USE_GL=		glut
 
-.include <bsd.port.options.mk>
-
-.if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400091 || ( ${OSVERSION} >= 1302507 && ${OSVERSION} < 1400000 ))
-CONFIGURE_ARGS+=	--with-cflags="-Wno-error=incompatible-function-pointer-types"
-.endif
+CONFIGURE_ARGS=	--with-cflags=-Wno-incompatible-function-pointer-types
 
 .include <bsd.port.mk>