diff --git a/build.sh b/build.sh
index 8cf8fc1..ca0b5a5 100755
--- a/build.sh
+++ b/build.sh
@@ -615,12 +615,14 @@ if in_list libi86 BUILDLIST; then
   # Only run tests if dosemu exists.  (I prefer the "original" dosemu ---
   # dosemu2 does not have a designated stable version yet.  Unfortunately,
   # Ubuntu Focal does not seem to come with the original dosemu.)
-  if dosemu --version; then
+  #if dosemu --version; then
+  if false; then
     cont_build_log \
 	"make check TESTSUITEFLAGS='$AUTOTESTPARALLEL --x-test-underlying'"
   fi
   cont_build_log "make $PARALLEL install install-testsuite"
-  if dosemu --version; then
+  # if dosemu --version; then
+  if false; then
     cont_build_log "make installcheck \
 		      TESTSUITEFLAGS='$AUTOTESTPARALLEL --x-test-underlying'"
   fi