diff --git a/irc/ninja/Makefile b/irc/ninja/Makefile
index 3144c6882d28..3e852fc45606 100644
--- a/irc/ninja/Makefile
+++ b/irc/ninja/Makefile
@@ -16,10 +16,6 @@ GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	IRCLIB="${DATADIR}"
 MAKE_JOBS_UNSAFE=	yes
 
-post-patch:
-	@${REINPLACE_CMD} -e "s|%%IRCLIB%%|${DATADIR}|g" \
-		${WRKSRC}/include/config.h.dist
-
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/ninja ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_PROGRAM} ${WRKSRC}/ninjawserv ${STAGEDIR}${PREFIX}/bin