diff --git a/cantera.spec b/cantera.spec
index 055d25c..e971a26 100644
--- a/cantera.spec
+++ b/cantera.spec
@@ -48,8 +48,6 @@ BuildRequires:  gcc-gfortran
 
 %global scons scons%{?rhel:-3}
 
-ExcludeArch: s390x      # YAML test failures - BZ #2044056
-
 %global common_description %{expand: \
  Cantera is a suite of object-oriented software tools for solving problems
  involving chemical kinetics, thermodynamics, and/or transport processes.