diff --git a/tests/data/Makefile.am b/tests/data/Makefile.am
index 3588ebd9c..2e10bd4d1 100644
--- a/tests/data/Makefile.am
+++ b/tests/data/Makefile.am
@@ -5,7 +5,7 @@
 #                            | (__| |_| |  _ <| |___
 #                             \___|\___/|_| \_\_____|
 #
-# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
 #
 # This software is licensed as described in the file COPYING, which
 # you should have received as part of this distribution. The terms
@@ -45,6 +45,3 @@ filecheck:
 	RC=$$? ; \
 	rm -rf test-place ; \
 	exit $$RC
-
-show:
-	@echo $(EXTRA_DIST)
diff --git a/tests/runtests.pl b/tests/runtests.pl
index c2d9289f3..696c11a72 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -578,12 +578,15 @@ sub checkcmd {
 #
 my $disttests;
 sub get_disttests {
-    my $makeCmd = 'make';
-    if(-f "../CMakeCache.txt") {
-        $makeCmd = 'cmake --build ../.. --target';
+    open(D, "<$TESTDIR/Makefile.inc");
+    while(<D>) {
+        chomp $_;
+        if(($_ =~ /^#/) ||($_ !~ /test/)) {
+            next;
+        }
+        $disttests .= join("", $_);
     }
-    my @dist = `cd data && $makeCmd show`;
-    $disttests = join("", @dist);
+    close(D);
 }
 
 #######################################################################