diff --git a/Formula/arabica.rb b/Formula/arabica.rb
index 3ed3f878f7f..89a7e3a1a49 100644
--- a/Formula/arabica.rb
+++ b/Formula/arabica.rb
@@ -3,7 +3,6 @@ require 'formula'
 class Arabica < Formula
   homepage 'http://www.jezuk.co.uk/cgi-bin/view/arabica'
   url 'https://github.com/ashb/Arabica/tarball/20100203'
-  version '20100203'
   md5 '9318c4d498957cd356e533f2132d6956'
 
   def install
diff --git a/Formula/ascii.rb b/Formula/ascii.rb
index 8621e3fafa1..5e8ef83c955 100644
--- a/Formula/ascii.rb
+++ b/Formula/ascii.rb
@@ -3,7 +3,6 @@ require 'formula'
 class Ascii < Formula
   url 'http://www.catb.org/~esr/ascii/ascii-3.10.tar.gz'
   homepage 'http://www.catb.org/~esr/'
-  version '3.10'
   md5 '9dcae3ab8b097efd16a24c5d20e0044e'
 
   def install
diff --git a/Formula/bib-tool.rb b/Formula/bib-tool.rb
index 15e80c84939..eeb03d737d5 100644
--- a/Formula/bib-tool.rb
+++ b/Formula/bib-tool.rb
@@ -3,7 +3,6 @@ require 'formula'
 class BibTool < Formula
   url 'http://sarovar.org/frs/download.php/1298/BibTool-2.51.tar.gz'
   homepage 'http://www.gerd-neugebauer.de/software/TeX/BibTool/index.en.html'
-  version '2.51'
   md5 '0404647e6d1b2d4c2a34a6d1f4f9e375'
 
   def install
diff --git a/Formula/blitz.rb b/Formula/blitz.rb
index 6cf1dfe6f69..43160978262 100644
--- a/Formula/blitz.rb
+++ b/Formula/blitz.rb
@@ -4,7 +4,6 @@ class Blitz < Formula
   url 'http://downloads.sourceforge.net/project/blitz/blitz/Blitz%2B%2B%200.9/blitz-0.9.tar.gz'
   homepage 'http://oonumerics.org/blitz'
   md5 '031df2816c73e2d3bd6d667bbac19eca'
-  version '0.9'
 
   def install
     system "./configure", "--disable-debug", "--disable-dependency-tracking",
diff --git a/Formula/clay.rb b/Formula/clay.rb
index 124228bed75..803a77c60df 100644
--- a/Formula/clay.rb
+++ b/Formula/clay.rb
@@ -3,7 +3,6 @@ require 'formula'
 class Clay < Formula
   url 'http://tachyon.in/clay/binaries/clay-macosx-2011.04.18.zip'
   homepage 'http://claylanguage.org'
-  version '2011.04.18'
   md5 '9f43d8147f95ce0d7c3cd12e368406a4'
 
   def install
diff --git a/Formula/cloc.rb b/Formula/cloc.rb
index 5971a30daa5..396d827a288 100644
--- a/Formula/cloc.rb
+++ b/Formula/cloc.rb
@@ -3,7 +3,6 @@ require 'formula'
 class Cloc < ScriptFileFormula
   url 'http://downloads.sourceforge.net/project/cloc/cloc/v1.53/cloc-1.53.pl'
   md5 '47f13134a3b2b0c18dede35132cc15b4'
-  version '1.53'
   homepage 'http://cloc.sourceforge.net/'
 
   def install
diff --git a/Formula/dotless.rb b/Formula/dotless.rb
index 512f9596f58..6667bdc77d7 100644
--- a/Formula/dotless.rb
+++ b/Formula/dotless.rb
@@ -6,7 +6,6 @@ class Dotless < Formula
   homepage "http://www.dotlesscss.org/"
   url "https://github.com/dotless/dotless/tarball/v1.1.0.3"
   md5 "6ca4801461c31214d2775858bc9adb29"
-  version "1.1.0.3"
 
   def install
     mono_path = `/usr/bin/which mono`.strip
diff --git a/Formula/fleet-db.rb b/Formula/fleet-db.rb
index 29f4839d914..5a891e38f58 100644
--- a/Formula/fleet-db.rb
+++ b/Formula/fleet-db.rb
@@ -2,7 +2,6 @@ require 'formula'
 
 class FleetDb < Formula
   url 'http://fleetdb.s3.amazonaws.com/fleetdb-standalone-0.2.0.jar'
-  version '0.2.0'
   homepage 'http://fleetdb.org'
   md5 'e7c0b9dd61650300e82da46bab6ee560'
 
diff --git a/Formula/ftjam.rb b/Formula/ftjam.rb
index 6086b594e15..309aa24f1f6 100644
--- a/Formula/ftjam.rb
+++ b/Formula/ftjam.rb
@@ -3,7 +3,6 @@ require 'formula'
 class Ftjam < Formula
   url 'http://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.bz2'
   homepage 'http://www.freetype.org/jam/'
-  version '2.5.2'
   md5 'e61304b370ba06f68082f0219a196576'
 
   def install
diff --git a/Formula/git-subtree.rb b/Formula/git-subtree.rb
index bcb567b4dee..feb8a7bd454 100644
--- a/Formula/git-subtree.rb
+++ b/Formula/git-subtree.rb
@@ -3,7 +3,6 @@ require 'formula'
 class GitSubtree < Formula
   homepage 'https://github.com/apenwarr/git-subtree'
   url 'https://github.com/apenwarr/git-subtree/zipball/v0.4'
-  version '0.4'
   md5 '904f325d2208ad5ca542e7bb56c50f9c'
 
   head 'https://github.com/apenwarr/git-subtree.git'
diff --git a/Formula/haskell-platform.rb b/Formula/haskell-platform.rb
index dc213d9a402..07c086727d2 100644
--- a/Formula/haskell-platform.rb
+++ b/Formula/haskell-platform.rb
@@ -4,7 +4,6 @@ class HaskellPlatform < Formula
   url 'http://lambda.galois.com/hp-tmp/2011.2.0.1/haskell-platform-2011.2.0.1.tar.gz'
   homepage 'http://hackage.haskell.org/platform/'
   md5 '97fd42f169a426d043368cec342745ef'
-  version '2011.2.0.1'
 
   depends_on 'ghc'
 
diff --git a/Formula/hdf5.rb b/Formula/hdf5.rb
index bbbb4b78ab7..fad88bbc6f4 100644
--- a/Formula/hdf5.rb
+++ b/Formula/hdf5.rb
@@ -12,7 +12,6 @@ class Hdf5 < Formula
   url 'http://www.hdfgroup.org/ftp/HDF5/hdf5-1.8.7/src/hdf5-1.8.7.tar.bz2'
   homepage 'http://www.hdfgroup.org/HDF5/'
   sha1 'be1daff26f066aca0b5be52d86dada6757fc4b95'
-  version '1.8.7'
 
   depends_on 'szip'
 
diff --git a/Formula/libsvg-cairo.rb b/Formula/libsvg-cairo.rb
index 54637b80395..686097686d5 100644
--- a/Formula/libsvg-cairo.rb
+++ b/Formula/libsvg-cairo.rb
@@ -4,7 +4,6 @@ class LibsvgCairo < Formula
   url 'http://cairographics.org/snapshots/libsvg-cairo-0.1.6.tar.gz'
   homepage 'http://cairographics.org/'
   md5 'd79da7b3a60ad8c8e4b902c9b3563047'
-  version '0.1.6'
 
   depends_on 'pkg-config' => :build
   depends_on 'libsvg'
diff --git a/Formula/lsof.rb b/Formula/lsof.rb
index 701fa2aceee..8fa4deecabb 100644
--- a/Formula/lsof.rb
+++ b/Formula/lsof.rb
@@ -2,7 +2,6 @@ require 'formula'
 
 class Lsof < Formula
   url 'ftp://sunsite.ualberta.ca/pub/Mirror/lsof/lsof_4.84.tar.bz2'
-  version '4.84'
   md5 'a09326df500ef7e4550af546868338d6'
   homepage 'http://people.freebsd.org/~abe/'
 
diff --git a/Formula/media-info.rb b/Formula/media-info.rb
index eb8a74d52c3..aad74bc77d4 100644
--- a/Formula/media-info.rb
+++ b/Formula/media-info.rb
@@ -3,7 +3,6 @@ require 'formula'
 class MediaInfo < Formula
   url 'http://downloads.sourceforge.net/sourceforge/mediainfo/MediaInfo_CLI_0.7.45_GNU_FromSource.tar.bz2'
   homepage 'http://mediainfo.sourceforge.net'
-  version '0.7.45'
   md5 '68c78682b58fe1a3081b0eef9220afbf'
 
   depends_on 'pkg-config' => :build
diff --git a/Formula/ptunnel.rb b/Formula/ptunnel.rb
index 7834bf0c37f..3dcfa2803d6 100644
--- a/Formula/ptunnel.rb
+++ b/Formula/ptunnel.rb
@@ -2,7 +2,6 @@ require 'formula'
 
 class Ptunnel < Formula
   url 'http://www.cs.uit.no/~daniels/PingTunnel/PingTunnel-0.71.tar.gz'
-  version '0.71'
   homepage 'http://www.cs.uit.no/~daniels/PingTunnel/'
   md5 '9b04771d4fa50abc15a6af690b81c71a'
 
@@ -12,8 +11,7 @@ class Ptunnel < Formula
     man8.install "ptunnel.8"
   end
 
-  def caveats
-    <<-EOS
+  def caveats; <<-EOS.undent
     Normally, ptunnel uses raw sockets and must be run as root (using sudo, for example).
 
     Alternatively, you can try using the -u flag to start ptunnel in 'unprivileged' mode,
diff --git a/Formula/pwnat.rb b/Formula/pwnat.rb
index b2a5c6b19ff..c07d2e5f26d 100644
--- a/Formula/pwnat.rb
+++ b/Formula/pwnat.rb
@@ -4,7 +4,6 @@ class Pwnat < Formula
   url 'http://samy.pl/pwnat/pwnat-0.3-beta.tgz'
   homepage 'http://samy.pl/pwnat/'
   md5 'd1f2b556a32669484f0358d009a20feb'
-  version '0.3-beta'
 
   def install
     inreplace "Makefile" do |s|
diff --git a/Formula/rds-command-line-tools.rb b/Formula/rds-command-line-tools.rb
index 70a74a8fc04..865f22c6ca9 100644
--- a/Formula/rds-command-line-tools.rb
+++ b/Formula/rds-command-line-tools.rb
@@ -7,7 +7,6 @@ class RdsCommandLineTools < AmazonWebServicesFormula
   homepage 'http://developer.amazonwebservices.com/connect/entry.jspa?externalID=2928'
   url      'http://s3.amazonaws.com/rds-downloads/RDSCli-1.3.003.zip'
   md5      '01a0751b5e0b7a8a6c0097a579739394'
-  version  '1.3.003'
 
   def install
     standard_install
diff --git a/Formula/sary.rb b/Formula/sary.rb
index ec7c995795d..6a463b0a5f4 100644
--- a/Formula/sary.rb
+++ b/Formula/sary.rb
@@ -4,7 +4,6 @@ class Sary < Formula
   url 'http://sary.sourceforge.net/sary-1.2.0.tar.gz'
   md5 '10b9a803025c5f428014a7f1ff849ecc'
   homepage 'http://sary.sourceforge.net/'
-  version '1.2.0'
 
   depends_on 'pkg-config' => :build
   depends_on 'glib'
diff --git a/Formula/sdelta3.rb b/Formula/sdelta3.rb
index cbf7b2126a7..437aee5ac4f 100644
--- a/Formula/sdelta3.rb
+++ b/Formula/sdelta3.rb
@@ -4,7 +4,6 @@ class Sdelta3 < Formula
   url 'ftp://ftp.berlios.de//pub/sdelta/files/sdelta3-20100323.tar.bz2'
   homepage 'http://sdelta.berlios.de/'
   md5 'f419f4e7ade7751cf2feacbebfbc8aa9'
-  version '20100323'
 
   def patches; DATA; end