diff --git a/tests/.gitignore b/tests/.gitignore
index 5f5670d..e5fbc6e 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -1,4 +1,5 @@
 *.log
 *.trs
-pidfile
 makepath
+pidfile
+tree
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0d4445c..8f92186 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -2,8 +2,9 @@ EXTRA_DIST      = check.h
 CLEANFILES      = *~ *.trs *.log
 
 TESTS           =
-TESTS          += pidfile
 TESTS          += makepath
+TESTS          += pidfile
+TESTS          += tree
 
 check_PROGRAMS  = $(TESTS)
 
diff --git a/tests/tree.c b/tests/tree.c
new file mode 100644
index 0000000..35ef9cb
--- /dev/null
+++ b/tests/tree.c
@@ -0,0 +1,19 @@
+#include "check.h"
+
+int main(void)
+{
+	int result = 0;
+	size_t i;
+	struct { char *path; int fail; } arr[] = {
+		{ "/etc/passwd", -1 },
+		{ "/dev",         0 },
+		{ "/sbin",        0 },
+	};
+
+	for (i = 0; i < NELEMS(arr); i++) {
+		if (tree(arr[i].path, 1) != arr[i].fail)
+			result++;
+	}
+
+	return result;
+}
diff --git a/tree.c b/tree.c
index 761bff9..ddc93fc 100644
--- a/tree.c
+++ b/tree.c
@@ -120,30 +120,8 @@ int tree(char *path, int show_perms)
 	return descend(path, show_perms, "");
 }
 
-#ifdef UNITTEST
-#include "lite.h"
-
-int main(void)
-{
-	int i, result = 0;
-	struct { char *path; int fail; } arr[] = {
-		{ "/etc/passwd", -1 },
-		{ "/dev",         0 },
-		{ "/sbin",        0 },
-	};
-
-	for (i = 0; i < NELEMS(arr); i++) {
-		if (tree(arr[i].path, 1) != arr[i].fail)
-			result++;
-	}
-
-	return result;
-}
-#endif
-
 /**
  * Local Variables:
- *  compile-command: "make V=1 -f tree.mk"
  *  indent-tabs-mode: t
  *  c-file-style: "linux"
  * End: