diff --git a/mduptab_reset.c b/mduptab_reset.c
new file mode 100644
index 0000000..c2abd1f
--- /dev/null
+++ b/mduptab_reset.c
@@ -0,0 +1,7 @@
+#include "mstorage.h"
+#include "mduptab.h"
+
+void mduptab_reset(mduptab_t* t) {
+  mstorage_unmap(&t->table);
+  mstorage_unmap(&t->strings);
+}