diff --git a/audio/linuxsampler/Makefile b/audio/linuxsampler/Makefile
index a6a2e9ad9aae..c9324b8c5aa5 100644
--- a/audio/linuxsampler/Makefile
+++ b/audio/linuxsampler/Makefile
@@ -20,7 +20,7 @@ LIB_DEPENDS=	libgig.so:audio/libgig \
 		libsndfile.so:audio/libsndfile \
 		libuuid.so:misc/e2fsprogs-libuuid
 
-USES=		bison gmake libtool pathfix pkgconfig sqlite:3 tar:bzip2
+USES=		bison:wrapper gmake libtool pathfix pkgconfig sqlite:3 tar:bzip2
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	HAVE_UNIX98=1
 USE_LDCONFIG=	${PREFIX}/lib/linuxsampler
diff --git a/cad/p5-Verilog-Perl/Makefile b/cad/p5-Verilog-Perl/Makefile
index 7e14e963c750..2c811590778d 100644
--- a/cad/p5-Verilog-Perl/Makefile
+++ b/cad/p5-Verilog-Perl/Makefile
@@ -14,9 +14,7 @@ LICENSE=	ART20 LGPL3
 LICENSE_COMB=	dual
 LICENSE_FILE_ART20=	${WRKSRC}/COPYING
 
-BUILD_DEPENDS=	flex>=2.5.35:textproc/flex
-
-USES=		bison gmake perl5
+USES=		bison:wrapper gmake perl5
 USE_PERL5=	configure
 CONFIGURE_ENV=	CXX=${CXX}\
 		CPP=${CPP}\
diff --git a/devel/libdap/Makefile b/devel/libdap/Makefile
index f934e757ec3b..c4b66589f69c 100644
--- a/devel/libdap/Makefile
+++ b/devel/libdap/Makefile
@@ -16,7 +16,7 @@ LICENSE_FILE=	${WRKSRC}/COPYING
 LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libuuid.so:misc/e2fsprogs-libuuid
 
-USES=		bison charsetfix gmake gnome libtool localbase pathfix ssl
+USES=		bison:wrapper charsetfix gmake gnome libtool localbase pathfix ssl
 USE_GNOME=	libxml2
 
 CONFIGURE_ARGS=	ac_cv_lib_crypto_OpenSSL_add_all_algorithms=yes \
diff --git a/devel/ptlib/Makefile b/devel/ptlib/Makefile
index 28472ebfb94a..8db8e7c0ed3b 100644
--- a/devel/ptlib/Makefile
+++ b/devel/ptlib/Makefile
@@ -16,7 +16,7 @@ LIB_DEPENDS=	libexpat.so:textproc/expat2
 
 CONFLICTS=	pwlib-1.*
 
-USES=		autoreconf:build bison compiler:c11 gmake localbase:ldflags \
+USES=		autoreconf:build bison:wrapper compiler:c11 gmake localbase:ldflags \
 		pathfix pkgconfig ssl tar:xz
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes