diff --git a/graphics/openjpeg/Makefile b/graphics/openjpeg/Makefile
index d811361b5321..11a507db916e 100644
--- a/graphics/openjpeg/Makefile
+++ b/graphics/openjpeg/Makefile
@@ -1,52 +1,62 @@
 PORTNAME=	openjpeg
 PORTVERSION=	2.5.2
 DISTVERSIONPREFIX=	v
 PORTREVISION=	1
 CATEGORIES=	graphics
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Open-source JPEG 2000 codec
 WWW=		https://www.openjpeg.org/ \
 		https://github.com/uclouvain/openjpeg
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	liblcms2.so:graphics/lcms2 \
 		libpng.so:graphics/png \
 		libtiff.so:graphics/tiff
 
 USES=		cmake cpe localbase:ldflags jpeg pathfix pkgconfig
 
-# Clean up bundled libraries
-EXTRACT_AFTER_ARGS=	--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/astyle \
-			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/include \
-			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/liblcms2 \
-			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/libpng \
-			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/libtiff \
-			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/libz \
-			--no-same-owner --no-same-permissions
-
 CMAKE_OFF=	BUILD_DOC \
 		BUILD_JAVA \
 		BUILD_JPIP \
 		BUILD_JPIP_SERVER \
 		BUILD_LUTS_GENERATOR \
 		BUILD_TESTING \
 		BUILD_THIRDPARTY \
 		BUILD_UNIT_TESTS \
 		BUILD_VIEWER \
 		WITH_ASTYLE
 CMAKE_ON=	BUILD_CODEC \
 		BUILD_SHARED_LIBS \
 		BUILD_STATIC_LIBS
 USE_LDCONFIG=	yes
 
 PLIST_SUB=	PORTVERSION=${PORTVERSION} VER=${PORTVERSION:R}
 
 GH_ACCOUNT=	uclouvain
 USE_GITHUB=	yes
 
 CPE_VENDOR=	uclouvain
 
+# Clean up bundled libraries
+.if !defined(MAINTAINER_MODE)
+EXTRACT_AFTER_ARGS=	--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/astyle \
+			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/include \
+			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/liblcms2 \
+			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/libpng \
+			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/libtiff \
+			--exclude ${GH_PROJECT_DEFAULT}-${GH_TAGNAME_EXTRACT}/thirdparty/libz \
+			--no-same-owner --no-same-permissions
+.else
+post-patch:
+	@${RM} -r ${WRKSRC}/thirdparty/astyle/
+	@${RM} -r ${WRKSRC}/thirdparty/include/
+	@${RM} -r ${WRKSRC}/thirdparty/liblcms2/
+	@${RM} -r ${WRKSRC}/thirdparty/libpng/
+	@${RM} -r ${WRKSRC}/thirdparty/libtiff/
+	@${RM} -r ${WRKSRC}/thirdparty/libz/
+.endif
+
 .include <bsd.port.mk>