diff --git a/shells/44bsd-csh/Makefile b/shells/44bsd-csh/Makefile
index 27001a70da6e..fa10409c3b7c 100644
--- a/shells/44bsd-csh/Makefile
+++ b/shells/44bsd-csh/Makefile
@@ -10,10 +10,9 @@ MASTER_SITE_SUBDIR=	cy
 MAINTAINER=	cy@FreeBSD.org
 COMMENT=	The traditional 4.4BSD /bin/csh C-shell
 
-USE_BZIP2=	yes
-
 BUILD_DEPENDS=	rcs:${PORTSDIR}/devel/rcs57
 
+USES=		tar:bz2
 NO_WRKSUBDIR=	yes
 PORTDOCS=	paper.ascii.gz
 
diff --git a/shells/ambit/Makefile b/shells/ambit/Makefile
index d3e79632f5e5..8d3adef1fbd7 100644
--- a/shells/ambit/Makefile
+++ b/shells/ambit/Makefile
@@ -6,7 +6,6 @@ PORTVERSION=	2.0.39
 CATEGORIES=	shells
 MASTER_SITES=	http://m.a.tt/er/
 DISTNAME=	${PORTNAME}
-EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	sklauder@trimind.de
 COMMENT=	Extended bash brace expansion to expand hostnames or commands
@@ -15,6 +14,7 @@ LICENSE=	GPLv3
 
 RUN_DEPENDS=	bash:${PORTSDIR}/shells/bash
 
+USES=		tar:tgz
 AMBITDIR?=	/var/spool/${PORTNAME}
 NO_BUILD=	yes
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
diff --git a/shells/bash-completion/Makefile b/shells/bash-completion/Makefile
index 290143ad8bb6..0378e8665612 100644
--- a/shells/bash-completion/Makefile
+++ b/shells/bash-completion/Makefile
@@ -1,11 +1,11 @@
 # Created by: kirk@strauser.com
 # $FreeBSD$
 
-PORTNAME=		bash-completion
+PORTNAME=	bash-completion
 PORTVERSION=	2.1
 PORTREVISION=	3
-PORTEPOCH=		1
-CATEGORIES=		shells
+PORTEPOCH=	1
+CATEGORIES=	shells
 MASTER_SITES=	http://bash-completion.alioth.debian.org/files/
 
 MAINTAINER=	adamw@FreeBSD.org
@@ -13,10 +13,9 @@ COMMENT=	Programmable completion library for Bash
 
 RUN_DEPENDS=	bash:${PORTSDIR}/shells/bash
 
-USE_BZIP2=		yes
 USE_AUTOTOOLS=	aclocal automake
 GNU_CONFIGURE=	yes
-USES=			gmake
+USES=		gmake tar:bz2
 
 SUB_FILES=	pkg-message
 SUB_LIST+=	RUNFILE=${DATADIR}/bash_completion.sh
diff --git a/shells/bashc/Makefile b/shells/bashc/Makefile
index 0ddf8217b296..6bf5a2b8f862 100644
--- a/shells/bashc/Makefile
+++ b/shells/bashc/Makefile
@@ -5,13 +5,13 @@ PORTNAME=	bashc
 PORTVERSION=	3.2.33.0
 CATEGORIES=	shells
 MASTER_SITES=	SF
-EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	GNU bash shell extended with visual two-panel file browser
 
 MAKE_JOBS_UNSAFE=	yes
 
+USES=		tar:tgz
 GNU_CONFIGURE=	yes
 
 PLIST_FILES=	bin/bashc \
diff --git a/shells/heirloom-sh/Makefile b/shells/heirloom-sh/Makefile
index 16875bac399a..311e00a6fb5c 100644
--- a/shells/heirloom-sh/Makefile
+++ b/shells/heirloom-sh/Makefile
@@ -9,8 +9,8 @@ MASTER_SITES=	SF/heirloom/${PORTNAME}/${PORTVERSION}
 MAINTAINER=	danielt@pilgerer.org
 COMMENT=	Portable version of OpenSolaris' Bourne Shell
 
+USES=		tar:bz2
 MAKEFILE=	makefile
-USE_BZIP2=	yes
 PLIST_FILES=	bin/jsh \
 		man/man1/jsh.1.gz
 PORTDOCS=	CALDERA.LICENSE OPENSOLARIS.LICENSE CHANGES README
diff --git a/shells/scponly/Makefile b/shells/scponly/Makefile
index 5b420a414c28..c976656a1712 100644
--- a/shells/scponly/Makefile
+++ b/shells/scponly/Makefile
@@ -8,13 +8,13 @@ CATEGORIES=	shells security
 MASTER_SITES=	SF
 MASTER_SITE_SUBDIR=	${PORTNAME}/${PORTNAME}-snapshots
 DISTNAME=	${PORTNAME}-20110526
-EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	gjb@FreeBSD.org
 COMMENT=	Tiny shell that only permits scp and sftp
 
 PORTDOCS=	BUILDING-JAILS.TXT INSTALL README SECURITY
 
+USES=		tar:tgz
 GNU_CONFIGURE=	yes
 
 OPTIONS_DEFINE=	WILDCARDS GFTP CHROOT RSYNC SCP SVN SVNSERVE UNISON WINSCP \
diff --git a/shells/shell-include/Makefile b/shells/shell-include/Makefile
index f473473f5905..b460c48bbed1 100644
--- a/shells/shell-include/Makefile
+++ b/shells/shell-include/Makefile
@@ -5,7 +5,6 @@ PORTNAME=	shell-include
 PORTVERSION=	0.1.2
 CATEGORIES=	shells devel
 MASTER_SITES=	http://vvelox.net/src/shell-include/
-EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	vvelox@vvelox.net
 COMMENT=	Include system for shell scripts
@@ -14,7 +13,7 @@ USES=		perl5
 
 WRKSRC=		${WRKDIR}/${DISTNAME}
 
-NO_CONFIGURE=	yes
+USES=		tar:tgz
 NO_BUILD=	yes
 
 do-install:
diff --git a/shells/vshnu/Makefile b/shells/vshnu/Makefile
index 2f3fb1046fe5..ef1aca275628 100644
--- a/shells/vshnu/Makefile
+++ b/shells/vshnu/Makefile
@@ -5,7 +5,6 @@ PORTNAME=	vshnu
 PORTVERSION=	1.0305
 CATEGORIES=	shells perl5
 MASTER_SITES=	http://www.cs.indiana.edu/~kinzler/${PORTNAME}/
-EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	miwi@FreeBSD.org
 COMMENT=	New Visual Shell
@@ -13,7 +12,7 @@ COMMENT=	New Visual Shell
 BUILD_DEPENDS=	p5-Term-Screen>=0:${PORTSDIR}/devel/p5-Term-Screen
 RUN_DEPENDS:=	${BUILD_DEPENDS}
 
-USES=		perl5 shebangfix
+USES=		perl5 shebangfix tar:tgz
 USE_PERL5=	configure
 SHEBANG_FILES=	*.pl