diff --git a/src/util-strings.c b/src/util-strings.c
index 249604b..04f9d49 100644
--- a/src/util-strings.c
+++ b/src/util-strings.c
@@ -215,30 +215,3 @@ safe_basename(const char *filename)
 
 	return basename + 1;
 }
-
-/**
- * Similar to basename() but returns the trunk only without the (last)
- * trailing suffix, so that:
- *
- * - foo.c returns foo
- * - foo.a.b returns foo.a
- * - foo returns foo
- * - foo/ returns ""
- *
- * @return an allocated string representing the trunk name of the file
- */
-char *
-trunkname(const char *filename)
-{
-	const char *base = safe_basename(filename);
-	char *suffix;
-
-	if (base == NULL)
-		return safe_strdup("");
-
-	suffix = rindex(base, '.');
-	if (suffix == NULL)
-		return safe_strdup(base);
-	else
-		return strndup(base, suffix-base);
-}
diff --git a/src/util-strings.h b/src/util-strings.h
index c045e1d..4e8de32 100644
--- a/src/util-strings.h
+++ b/src/util-strings.h
@@ -387,6 +387,3 @@ strstartswith(const char *str, const char *prefix)
 
 const char *
 safe_basename(const char *filename);
-
-char *
-trunkname(const char *filename);