diff --git a/tests/Sanity/suite_gfortran/runtest.sh b/tests/Sanity/suite_gfortran/runtest.sh
index 721b959..1cac57c 100755
--- a/tests/Sanity/suite_gfortran/runtest.sh
+++ b/tests/Sanity/suite_gfortran/runtest.sh
@@ -132,6 +132,11 @@ rlJournalStart
         if [[ $(arch) = ppc64le ]] && rlTestVersion "$GCC_DUMPVERSION" '=' 14; then
             rlRun "rm -f $SRCROOT/gcc/testsuite/gfortran.dg/ieee/comparisons_3.F90"
         fi
+        # https://issues.redhat.com/browse/RHEL-66174
+        if [[ "$(arch)" = ppc64le ]] && rlIsRHEL 10; then
+            rlRun "rm -f $SRCROOT/gcc/testsuite/gfortran.dg/default_format_{,denormal_}2.f90"
+            rlRun "rm -f $SRCROOT/gcc/testsuite/gfortran.dg/large_real_kind_form_io_2.f90"
+        fi
         if rlIsFedora '<40'; then
             rlRun "rm -f $SRCROOT/gcc/testsuite/gfortran.dg/pr113363.f90"
         fi