diff --git a/6420.patch b/6420.patch
deleted file mode 100644
index b5f3ba5..0000000
--- a/6420.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff --git a/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c b/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c
-index bf5bb447..1286074f 100644
---- a/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c
-+++ b/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c
-@@ -614,5 +614,5 @@ int ex_create_par_int(const char *path, int cmode, int *comp_ws, int *io_ws, MPI
-  * Prevent warning in some versions of ranlib(1) because the object
-  * file has no symbols.
-  */
--const char exodus_unused_symbol_dummy_1;
-+const char exodus_unused_symbol_dummy_ex_create_par;
- #endif
-diff --git a/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c b/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c
-index f379fc34..1aaf8419 100644
---- a/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c
-+++ b/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c
-@@ -474,5 +474,5 @@ int ex_open_par_int(const char *path, int mode, int *comp_ws, int *io_ws, float
-  * Prevent warning in some versions of ranlib(1) because the object
-  * file has no symbols.
-  */
--const char exodus_unused_symbol_dummy_1;
-+const char exodus_unused_symbol_dummy_ex_open_par;
- #endif