diff --git a/firefox.spec b/firefox.spec
index c1055de..468829a 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -1,9 +1,5 @@
 # Disabled arm due to rhbz#1658940
 ExcludeArch: armv7hl
-# Disabled due to https://pagure.io/fedora-infrastructure/issue/7581
-%if 0%{?fedora} == 28
-ExcludeArch: s390x
-%endif
 
 %global system_nss        1
 %global system_ffi        1