diff --git a/dev-ruby/coolio/files/coolio-1.1.0-rubyio.patch b/dev-ruby/coolio/files/coolio-1.1.0-rubyio.patch
deleted file mode 100644
index a47e607702caf..0000000000000
--- a/dev-ruby/coolio/files/coolio-1.1.0-rubyio.patch
+++ /dev/null
@@ -1,32 +0,0 @@
-diff --git a/ext/cool.io/cool.io.h b/ext/cool.io/cool.io.h
-index 364d4ae..05ce5bc 100644
---- a/ext/cool.io/cool.io.h
-+++ b/ext/cool.io/cool.io.h
-@@ -8,7 +8,11 @@
- #define COOLIO_H
- 
- #include "ruby.h"
-+#ifdef HAVE_RUBY_IO_H
-+#include "ruby/io.h"
-+#else
- #include "rubyio.h"
-+#endif
- 
- #ifdef GetReadFile
- #define FPTR_TO_FD(fptr) (fileno(GetReadFile(fptr)))
-diff --git a/ext/cool.io/iowatcher.c b/ext/cool.io/iowatcher.c
-index 09ff87b..ccf6a3f 100644
---- a/ext/cool.io/iowatcher.c
-+++ b/ext/cool.io/iowatcher.c
-@@ -5,7 +5,11 @@
-  */
- 
- #include "ruby.h"
-+#ifdef HAVE_RUBY_IO_H
-+#include "ruby/io.h"
-+#else
- #include "rubyio.h"
-+#endif
- 
- #include "ev_wrap.h"
-