diff --git a/config/patches/libzmq/zeromq-4.0.5_configure-pedantic_centos_5.patch b/config/patches/libzmq/zeromq-4.0.5_configure-pedantic_centos_5.patch
deleted file mode 100644
index eee52e65e..000000000
--- a/config/patches/libzmq/zeromq-4.0.5_configure-pedantic_centos_5.patch
+++ /dev/null
@@ -1,16 +0,0 @@
---- a/configure.ac.orig   2015-05-05 23:00:30.000000000 +0000
-+++ b/configure.ac        2015-05-05 23:01:58.000000000 +0000
-@@ -103,10 +103,10 @@
- fi
- 
- # Set pedantic
--libzmq_pedantic="yes"
-+libzmq_pedantic="no"
-
- # By default compiling with -Werror except OSX.
--libzmq_werror="yes"
-+libzmq_werror="no"
- 
- # By default use DSO visibility
- libzmq_dso_visibility="yes"
-
diff --git a/config/software/libzmq.rb b/config/software/libzmq.rb
index aeacf72ef..a7366fed2 100644
--- a/config/software/libzmq.rb
+++ b/config/software/libzmq.rb
@@ -82,19 +82,11 @@
   # and newer versions of libzmq use this as the default.
   env["CPPFLAGS"] = "#{env["CPPFLAGS"]} -DFD_SETSIZE=1024" if windows?
 
-  # centos 5 has an old version of gcc (4.2.1) that has trouble with
-  # long long and c++ in pedantic mode
-  # This patch is specific to zeromq4
-  if version.satisfies?(">= 4")
-    patch source: "zeromq-4.0.5_configure-pedantic_centos_5.patch", env: env if el?
-  end
-
   # Some test files use inet_pton which is not readily available on windows.
   if version.satisfies?(">= 4") && version.satisfies?("< 4.1") && windows?
     patch source: "zeromq-4.0.11_mingw_inet_pton.patch", env: env
   end
 
-  command("./autogen.sh", env: env, in_msys_bash: true)
   config_command = [
     "--with-libsodium",
     "--without-documentation",