diff --git a/Makefile.am b/Makefile.am
index 4f621aa..3583c60 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -59,7 +59,6 @@ pngcp_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 # Generally these are single line shell scripts to run a test with a particular
 # set of parameters:
 TESTS =\
-   tests/pngtest\
    tests/pngtest-badpngs\
    tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
    tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\