diff --git a/mpich.spec b/mpich.spec
index 8687372..505250a 100644
--- a/mpich.spec
+++ b/mpich.spec
@@ -12,7 +12,7 @@ Patch0:		mpich-modules.patch
 
 BuildRequires:	gcc-gfortran
 BuildRequires:  hwloc-devel >= 1.8
-%ifnarch s390 s390x aarch64
+%ifnarch s390
 BuildRequires:	valgrind-devel
 %endif
 # For python_sitearch