diff --git a/Library/Homebrew/os/mac/pkgconfig/10.4 b/Library/Homebrew/os/mac/pkgconfig/10.4
deleted file mode 120000
index 41c25a1861..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.4
+++ /dev/null
@@ -1 +0,0 @@
-10.5
\ No newline at end of file
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.5/libcrypto.pc b/Library/Homebrew/os/mac/pkgconfig/10.5/libcrypto.pc
deleted file mode 100644
index 26cd08be34..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.5/libcrypto.pc
+++ /dev/null
@@ -1,11 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: OpenSSL-libcrypto
-Description: OpenSSL cryptography library
-Version: 0.9.7l
-Requires: 
-Libs: -L${libdir} -lcrypto -lz
-Cflags: -I${includedir} 
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.5/libcurl.pc b/Library/Homebrew/os/mac/pkgconfig/10.5/libcurl.pc
deleted file mode 100644
index a93a802946..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.5/libcurl.pc
+++ /dev/null
@@ -1,12 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: libcurl
-URL: http://curl.haxx.se/
-Description: Library to transfer files with ftp, http, etc.
-Version: 7.16.4
-Libs: -L${libdir} -lcurl 
-Libs.private: -lssl -lcrypto -Wl,-weak-lldap -Wl,-weak-lgssapi_krb5 -lresolv -lz 
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.5/uuid.pc b/Library/Homebrew/os/mac/pkgconfig/10.5/uuid.pc
deleted file mode 100644
index f5c6851ebe..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.5/uuid.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-sharedlibdir=${libdir}
-includedir=${prefix}/include
-
-Name: uuid
-Description: Universally unique id library
-Version: 1.0
-
-Requires:
-Libs:
-Cflags: -I${includedir}/uuid
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.6/sqlite3.pc b/Library/Homebrew/os/mac/pkgconfig/10.6/sqlite3.pc
deleted file mode 100644
index 8e0269ed6b..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.6/sqlite3.pc
+++ /dev/null
@@ -1,11 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: SQLite
-Description: SQL database engine
-Version: 3.6.12
-Libs: -L${libdir} -lsqlite3
-Libs.private: 
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.6/uuid.pc b/Library/Homebrew/os/mac/pkgconfig/10.6/uuid.pc
deleted file mode 100644
index f5c6851ebe..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.6/uuid.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-sharedlibdir=${libdir}
-includedir=${prefix}/include
-
-Name: uuid
-Description: Universally unique id library
-Version: 1.0
-
-Requires:
-Libs:
-Cflags: -I${includedir}/uuid
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.6/zlib.pc b/Library/Homebrew/os/mac/pkgconfig/10.6/zlib.pc
deleted file mode 100644
index 47b08b1ea3..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.6/zlib.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-sharedlibdir=${libdir}
-includedir=${prefix}/include
-
-Name: zlib
-Description: zlib compression library
-Version: 1.2.3
-
-Requires:
-Libs: -L${libdir} -L${sharedlibdir} -lz
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.7/sqlite3.pc b/Library/Homebrew/os/mac/pkgconfig/10.7/sqlite3.pc
deleted file mode 100644
index 36daed3d3b..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.7/sqlite3.pc
+++ /dev/null
@@ -1,11 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: SQLite
-Description: SQL database engine
-Version: 3.7.7
-Libs: -L${libdir} -lsqlite3
-Libs.private: 
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.7/uuid.pc b/Library/Homebrew/os/mac/pkgconfig/10.7/uuid.pc
deleted file mode 100644
index f5c6851ebe..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.7/uuid.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-sharedlibdir=${libdir}
-includedir=${prefix}/include
-
-Name: uuid
-Description: Universally unique id library
-Version: 1.0
-
-Requires:
-Libs:
-Cflags: -I${includedir}/uuid
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.7/zlib.pc b/Library/Homebrew/os/mac/pkgconfig/10.7/zlib.pc
deleted file mode 100644
index c7bef6a9f0..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.7/zlib.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-sharedlibdir=${libdir}
-includedir=${prefix}/include
-
-Name: zlib
-Description: zlib compression library
-Version: 1.2.5
-
-Requires:
-Libs: -L${libdir} -L${sharedlibdir} -lz
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.8/libcurl.pc b/Library/Homebrew/os/mac/pkgconfig/10.8/libcurl.pc
deleted file mode 100644
index 04a729eef7..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.8/libcurl.pc
+++ /dev/null
@@ -1,39 +0,0 @@
-#***************************************************************************
-#                                  _   _ ____  _
-#  Project                     ___| | | |  _ \| |
-#                             / __| | | | |_) | |
-#                            | (__| |_| |  _ <| |___
-#                             \___|\___/|_| \_\_____|
-#
-# Copyright (C) 2004 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
-#
-# This software is licensed as described in the file COPYING, which
-# you should have received as part of this distribution. The terms
-# are also available at http://curl.haxx.se/docs/copyright.html.
-#
-# You may opt to use, copy, modify, merge, publish, distribute and/or sell
-# copies of the Software, and permit persons to whom the Software is
-# furnished to do so, under the terms of the COPYING file.
-#
-# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
-# KIND, either express or implied.
-#
-###########################################################################
-
-# This should most probably benefit from getting a "Requires:" field added
-# dynamically by configure.
-#
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-supported_protocols="DICT FILE FTP FTPS GOPHER HTTP HTTPS IMAP IMAPS LDAP LDAPS POP3 POP3S RTSP SMTP SMTPS TELNET TFTP"
-supported_features="SSL IPv6 libz AsynchDNS NTLM"
-
-Name: libcurl
-URL: http://curl.haxx.se/
-Description: Library to transfer files with ftp, http, etc.
-Version: 7.24.0
-Libs: -L${libdir} -lcurl 
-Libs.private: -lssl -lcrypto -Wl,-weak-lldap -Wl,-weak-lgssapi_krb5 -lresolv -lssl -lcrypto -lz -lz 
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.8/libexslt.pc b/Library/Homebrew/os/mac/pkgconfig/10.8/libexslt.pc
deleted file mode 100644
index a4214673b0..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.8/libexslt.pc
+++ /dev/null
@@ -1,12 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-
-Name: libexslt
-Version: 0.8.15
-Description: EXSLT Extension library
-Requires: libxml-2.0
-Libs: -L${libdir} -lexslt -lxslt  -lxml2 -lz -lpthread -licucore -lm  
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.8/libxml-2.0.pc b/Library/Homebrew/os/mac/pkgconfig/10.8/libxml-2.0.pc
deleted file mode 100644
index 02a359e556..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.8/libxml-2.0.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-modules=1
-
-Name: libXML
-Version: 2.7.8
-Description: libXML library version2.
-Requires:
-Libs: -L${libdir} -lxml2
-Libs.private: -lpthread -lz  -lm 
-Cflags: -I${includedir}/libxml2 
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.8/libxslt.pc b/Library/Homebrew/os/mac/pkgconfig/10.8/libxslt.pc
deleted file mode 100644
index a52e9aacd9..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.8/libxslt.pc
+++ /dev/null
@@ -1,12 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-
-Name: libxslt
-Version: 1.1.26
-Description: XSLT library version 2.
-Requires: libxml-2.0
-Libs: -L${libdir} -lxslt  -lxml2 -lz -lpthread -licucore -lm 
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.8/sqlite3.pc b/Library/Homebrew/os/mac/pkgconfig/10.8/sqlite3.pc
deleted file mode 100644
index 28a75568ca..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.8/sqlite3.pc
+++ /dev/null
@@ -1,11 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: SQLite
-Description: SQL database engine
-Version: 3.7.12
-Libs: -L${libdir} -lsqlite3
-Libs.private: 
-Cflags: -I${includedir}
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.8/uuid.pc b/Library/Homebrew/os/mac/pkgconfig/10.8/uuid.pc
deleted file mode 100644
index f5c6851ebe..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.8/uuid.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-sharedlibdir=${libdir}
-includedir=${prefix}/include
-
-Name: uuid
-Description: Universally unique id library
-Version: 1.0
-
-Requires:
-Libs:
-Cflags: -I${includedir}/uuid
diff --git a/Library/Homebrew/os/mac/pkgconfig/10.8/zlib.pc b/Library/Homebrew/os/mac/pkgconfig/10.8/zlib.pc
deleted file mode 100644
index c7bef6a9f0..0000000000
--- a/Library/Homebrew/os/mac/pkgconfig/10.8/zlib.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-sharedlibdir=${libdir}
-includedir=${prefix}/include
-
-Name: zlib
-Description: zlib compression library
-Version: 1.2.5
-
-Requires:
-Libs: -L${libdir} -L${sharedlibdir} -lz
-Cflags: -I${includedir}