diff --git a/Makefile.lib b/Makefile.lib
index a56d45cd..4cedf912 100644
--- a/Makefile.lib
+++ b/Makefile.lib
@@ -153,6 +153,7 @@ clean-test:
 test-default:
 
 ifdef TEST_PROGS
+TESTDEPS-$(CONFIG_DEBUG) += $(top_builddir)/src/util/memdebug.o
 TESTDEPS += $(TESTDEPS-yes)
 
 TESTS = $(wildcard $(srcdir)test-*)
diff --git a/src/dom/test/Makefile b/src/dom/test/Makefile
index 3b7bd24d..2bf9957e 100644
--- a/src/dom/test/Makefile
+++ b/src/dom/test/Makefile
@@ -14,6 +14,4 @@ TESTDEPS = \
  $(top_builddir)/src/util/string.o \
  $(top_builddir)/src/util/memory.o
 
-TESTDEPS-$(CONFIG_DEBUG) += $(top_builddir)/src/util/memdebug.o \
-
 include $(top_srcdir)/Makefile.lib
diff --git a/src/protocol/ftp/Makefile b/src/protocol/ftp/Makefile
index 9aa1dc75..115744b7 100644
--- a/src/protocol/ftp/Makefile
+++ b/src/protocol/ftp/Makefile
@@ -16,6 +16,4 @@ TESTDEPS = \
  $(top_builddir)/src/util/string.o \
  $(top_builddir)/src/util/time.o
 
-TESTDEPS-$(CONFIG_DEBUG) += $(top_builddir)/src/util/memdebug.o
-
 include $(top_srcdir)/Makefile.lib