diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 42dcd2736..e624f066c 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.14.5",
+    "version": "3.14.6",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/handler/contest.ts b/packages/hydrooj/src/handler/contest.ts
index 31522f3eb..8c33d536e 100644
--- a/packages/hydrooj/src/handler/contest.ts
+++ b/packages/hydrooj/src/handler/contest.ts
@@ -237,7 +237,11 @@ export class ContestEditHandler extends Handler {
     async get(domainId: string, tid: ObjectID) {
         this.response.template = 'contest_edit.html';
         const rules = {};
-        for (const i in contest.RULES) rules[i] = contest.RULES[i].TEXT;
+        for (const i in contest.RULES) {
+            if (!contest.RULES[i].hidden) {
+                rules[i] = contest.RULES[i].TEXT;
+            }
+        }
         let ts = Date.now();
         ts = ts - (ts % (15 * Time.minute)) + 15 * Time.minute;
         this.response.body = {
@@ -256,7 +260,7 @@ export class ContestEditHandler extends Handler {
     @param('duration', Types.Float)
     @param('title', Types.Title)
     @param('content', Types.Content)
-    @param('rule', Types.Range(Object.keys(contest.RULES).filter((i) => i !== 'homework')))
+    @param('rule', Types.Range(Object.keys(contest.RULES).filter((i) => !contest.RULES[i].hidden)))
     @param('pids', Types.Content)
     @param('rated', Types.Boolean)
     @param('code', Types.String, true)
diff --git a/packages/hydrooj/src/interface.ts b/packages/hydrooj/src/interface.ts
index df67241c5..37f398a27 100644
--- a/packages/hydrooj/src/interface.ts
+++ b/packages/hydrooj/src/interface.ts
@@ -481,6 +481,7 @@ export interface ContestStat extends Record<string, any> {
 export interface ContestRule<T = any> {
     _originalRule?: Partial<ContestRule<T>>;
     TEXT: string;
+    hidden?: boolean;
     check: (args: any) => any;
     statusSort: any;
     submitAfterAccept: boolean;
diff --git a/packages/hydrooj/src/model/contest.ts b/packages/hydrooj/src/model/contest.ts
index 52ebf24d0..b8733b648 100644
--- a/packages/hydrooj/src/model/contest.ts
+++ b/packages/hydrooj/src/model/contest.ts
@@ -302,6 +302,7 @@ const ioi = buildContestRule({
 
 const homework = buildContestRule({
     TEXT: 'Assignment',
+    hidden: true,
     check: () => { },
     submitAfterAccept: false,
     statusSort: { penaltyScore: -1, time: 1 },