diff --git a/sci-libs/metis/files/metis-5.1.0-datatype.patch b/sci-libs/metis/files/metis-5.1.0-datatype.patch
deleted file mode 100644
index cbca8904ff738..0000000000000
--- a/sci-libs/metis/files/metis-5.1.0-datatype.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- a/include/metis.h
-+++ b/include/metis.h
-@@ -30,7 +30,7 @@
-  GCC does provides these definitions in stdint.h, but it may require some
-  modifications on other architectures.
- --------------------------------------------------------------------------*/
--#define IDXTYPEWIDTH 32
-+#define IDXTYPEWIDTH 64
- 
- 
- /*--------------------------------------------------------------------------
-