--- a/sapi/apache2handler/config.m4	2020-07-27 15:46:44.051028563 +0000
+++ b/sapi/apache2handler/config.m4	2020-07-27 15:46:57.496103601 +0000
@@ -110,11 +110,6 @@
     if test "$APXS_MPM" != "prefork" && test "$APXS_MPM" != "peruser" && test "$APXS_MPM" != "itk"; then
       PHP_BUILD_THREAD_SAFE
     fi
-  else
-    APACHE_THREADED_MPM=`$APXS_HTTPD -V 2>/dev/null | grep 'threaded:.*yes'`
-    if test -n "$APACHE_THREADED_MPM"; then
-      PHP_BUILD_THREAD_SAFE
-    fi
   fi
   AC_MSG_RESULT(yes)
   PHP_SUBST(APXS)