diff --git a/aclocal.m4 b/aclocal.m4
index d66eafca3a..a4816f9ad8 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -21,7 +21,6 @@ m4_include([build/aclocal/ax_gcc_option.m4])
 m4_include([build/aclocal/ax_gxx_version.m4])
 m4_include([build/aclocal/bakefile-lang.m4])
 m4_include([build/aclocal/bakefile.m4])
-m4_include([build/aclocal/cppunit.m4])
 m4_include([build/aclocal/gtk-2.0.m4])
 m4_include([build/aclocal/gtk-3.0.m4])
 m4_include([build/aclocal/gtk.m4])