diff --git a/src/api.c b/src/api.c
index 97f39c9..e4bcf8b 100644
--- a/src/api.c
+++ b/src/api.c
@@ -178,3 +178,10 @@ random_assign(const char * const who){
 	i = get_nth_id(i);
 	new_assignment(who, i);
 }
+
+DECL void
+purge_assignments(const char * const who){
+	DBERR(sqlite3_reset(purge_assignments_stmt));
+    DBERR(sqlite3_bind_text(purge_assignments_stmt, 1, who, -1, SQLITE_STATIC));
+    DBERR(sqlite3_step(purge_assignments_stmt));
+}