diff --git a/Makefile.gnu b/Makefile.gnu
index b4bcaef..981721c 100644
--- a/Makefile.gnu
+++ b/Makefile.gnu
@@ -27,7 +27,7 @@ SYMBOL_LIST=	${CURDIR}/Symbols.list
 includes:
 	@cd ${CURDIR}; for i in ${HDRS}; do \
 	    j="cmp -s $$i ${DESTDIR}${LOCALBASE}/include/$$i || \
-	    ${INSTALL} -D -o ${BINOWN} -g ${BINGRP} -m 444 $$i\
+	    ${INSTALL} -D -m 444 $$i\
 		${DESTDIR}${LOCALBASE}/include/$$i"; \
 	    echo $$j; \
 	    eval "$$j"; \
@@ -52,11 +52,7 @@ MANFORMAT?=		mangz
 INSTALL?=	install
 LINK?=		ln
 
-BINOWN?=	root
-BINGRP?=	root
 LIBPERM?=	755
-MANOWN?=	root
-MANGRP?=	root
 MANPERM?=	644
 
 include ${CURDIR}/shlib_version
@@ -138,10 +134,10 @@ all: ${TARGET_LIB} ${TARGET_MAN}
 
 .PHONY: install
 install: includes ${TARGET_LIB} ${TARGET_MAN}
-	${INSTALL} -D -o ${BINOWN} -g ${BINGRP} -m ${LIBPERM} ${TARGET_LIB} ${DESTDIR}${LIBDIR}/${TARGET_LIB}
+	${INSTALL} -D -m ${LIBPERM} ${TARGET_LIB} ${DESTDIR}${LIBDIR}/${TARGET_LIB}
 	${LINK} -s ${TARGET_LIB} ${DESTDIR}${LIBDIR}/${SONAME_LIB}
 	${LINK} -s ${TARGET_LIB} ${DESTDIR}${LIBDIR}/${BASE_LIB}
-	${INSTALL} -D -o ${MANOWN} -g ${MANGRP} -m ${MANPERM} ${TARGET_MAN} ${DESTDIR}${MANDIR}/${TARGET_MAN}
+	${INSTALL} -D -m ${MANPERM} ${TARGET_MAN} ${DESTDIR}${MANDIR}/${TARGET_MAN}
 
 CLEANFILES+=	*.o ${TARGET_LIB}