diff --git a/web/src/components/MemoFilter.tsx b/web/src/components/MemoFilter.tsx
index 6ca8844f..e3197cea 100644
--- a/web/src/components/MemoFilter.tsx
+++ b/web/src/components/MemoFilter.tsx
@@ -1,7 +1,6 @@
 import { useEffect } from "react";
 import { useLocation } from "react-router-dom";
 import { getDateString } from "@/helpers/datetime";
-import { getTextWithMemoType } from "@/helpers/filter";
 import { useFilterStore } from "@/store/module";
 import { useTranslate } from "@/utils/i18n";
 import Icon from "./Icon";
@@ -12,8 +11,8 @@ const MemoFilter = () => {
   const location = useLocation();
   const filterStore = useFilterStore();
   const filter = filterStore.state;
-  const { tag: tagQuery, duration, type: memoType, text: textQuery, visibility } = filter;
-  const showFilter = Boolean(tagQuery || (duration && duration.from < duration.to) || memoType || textQuery || visibility);
+  const { tag: tagQuery, duration, text: textQuery, visibility } = filter;
+  const showFilter = Boolean(tagQuery || (duration && duration.from < duration.to) || textQuery || visibility);
 
   useEffect(() => {
     filterStore.clearFilter();
@@ -31,16 +30,6 @@ const MemoFilter = () => {
         <Icon.Tag className="icon-text" /> {tagQuery}
         <Icon.X className="w-4 h-auto ml-1 opacity-40" />
       </div>
-      <div
-        className={"filter-item-container " + (memoType ? "" : "!hidden")}
-        onClick={() => {
-          filterStore.setMemoTypeFilter(undefined);
-        }}
-      >
-        <Icon.Box className="icon-text" />{" "}
-        {t(getTextWithMemoType(memoType as MemoSpecType) as Exclude<ReturnType<typeof getTextWithMemoType>, "">)}
-        <Icon.X className="w-4 h-auto ml-1 opacity-40" />
-      </div>
       <div
         className={"filter-item-container " + (visibility ? "" : "!hidden")}
         onClick={() => {
diff --git a/web/src/helpers/filter.ts b/web/src/helpers/filter.ts
deleted file mode 100644
index 720ad43a..00000000
--- a/web/src/helpers/filter.ts
+++ /dev/null
@@ -1,219 +0,0 @@
-import { LINK_REG, PLAIN_LINK_REG, TAG_REG } from "@/labs/marked/parser";
-import { getUnixTimeMillis } from "./datetime";
-
-export const relationConsts = [
-  { text: "filter.and", value: "AND" },
-  { text: "filter.or", value: "OR" },
-] as const;
-
-export const filterConsts = {
-  TAG: {
-    text: "filter.type.tag",
-    value: "TAG",
-    operators: [
-      {
-        text: "filter.operator.contains",
-        value: "CONTAIN",
-      },
-      {
-        text: "filter.operator.not-contains",
-        value: "NOT_CONTAIN",
-      },
-    ],
-  },
-  TYPE: {
-    text: "filter.type.type",
-    value: "TYPE",
-    operators: [
-      {
-        text: "filter.operator.is",
-        value: "IS",
-      },
-      {
-        text: "filter.operator.is-not",
-        value: "IS_NOT",
-      },
-    ],
-    values: [
-      {
-        text: "filter.value.not-tagged",
-        value: "NOT_TAGGED",
-      },
-      {
-        text: "filter.value.linked",
-        value: "LINKED",
-      },
-      {
-        text: "filter.value.has-attachment",
-        value: "HAS_ATTACHMENT",
-      },
-    ],
-  },
-  TEXT: {
-    text: "filter.type.text",
-    value: "TEXT",
-    operators: [
-      {
-        text: "filter.operator.contains",
-        value: "CONTAIN",
-      },
-      {
-        text: "filter.operator.not-contains",
-        value: "NOT_CONTAIN",
-      },
-    ],
-  },
-  DISPLAY_TIME: {
-    text: "filter.type.display-time",
-    value: "DISPLAY_TIME",
-    operators: [
-      {
-        text: "filter.operator.before",
-        value: "BEFORE",
-      },
-      {
-        text: "filter.operator.after",
-        value: "AFTER",
-      },
-    ],
-  },
-  VISIBILITY: {
-    text: "filter.type.visibility",
-    value: "VISIBILITY",
-    operators: [
-      {
-        text: "filter.operator.is",
-        value: "IS",
-      },
-      {
-        text: "filter.operator.is-not",
-        value: "IS_NOT",
-      },
-    ],
-    values: [
-      {
-        text: "memo.visibility.public",
-        value: "PUBLIC",
-      },
-      {
-        text: "memo.visibility.protected",
-        value: "PROTECTED",
-      },
-      {
-        text: "memo.visibility.private",
-        value: "PRIVATE",
-      },
-    ],
-  },
-} as const;
-
-export const memoSpecialTypes = filterConsts["TYPE"].values;
-
-export const getTextWithMemoType = (type: string) => {
-  for (const t of memoSpecialTypes) {
-    if (t.value === type) {
-      return t.text;
-    }
-  }
-  return "";
-};
-
-export const getDefaultFilter = (): BaseFilter => {
-  return {
-    type: "TAG",
-    value: {
-      operator: "CONTAIN",
-      value: "",
-    },
-    relation: "AND",
-  };
-};
-
-export const checkShouldShowMemoWithFilters = (memo: Memo, filters: Filter[]) => {
-  let shouldShow = true;
-
-  for (const f of filters) {
-    const { relation } = f;
-    const r = checkShouldShowMemo(memo, f);
-    if (relation === "OR") {
-      shouldShow = shouldShow || r;
-    } else {
-      shouldShow = shouldShow && r;
-    }
-  }
-
-  return shouldShow;
-};
-
-export const checkShouldShowMemo = (memo: Memo, filter: Filter) => {
-  const {
-    type,
-    value: { operator, value },
-  } = filter;
-
-  if (value === "") {
-    return true;
-  }
-
-  let shouldShow = true;
-
-  if (type === "TAG") {
-    let contained = true;
-    const tagsSet = new Set<string>();
-    for (const t of Array.from(memo.content.match(new RegExp(TAG_REG, "g")) ?? [])) {
-      const tag = t.replace(TAG_REG, "$1").trim();
-      const items = tag.split("/");
-      let temp = "";
-      for (const i of items) {
-        temp += i;
-        tagsSet.add(temp);
-        temp += "/";
-      }
-    }
-    if (!tagsSet.has(value)) {
-      contained = false;
-    }
-    if (operator === "NOT_CONTAIN") {
-      contained = !contained;
-    }
-    shouldShow = contained;
-  } else if (type === "TYPE") {
-    let matched = false;
-    if (value === "NOT_TAGGED" && memo.content.match(TAG_REG) === null) {
-      matched = true;
-    } else if (value === "LINKED" && (memo.content.match(LINK_REG) !== null || memo.content.match(PLAIN_LINK_REG)) !== null) {
-      matched = true;
-    } else if (value === "HAS_ATTACHMENT" && memo.resourceList.length > 0) {
-      matched = true;
-    }
-    if (operator === "IS_NOT") {
-      matched = !matched;
-    }
-    shouldShow = matched;
-  } else if (type === "TEXT") {
-    if (value.startsWith("^")) {
-      const reg = new RegExp(value.slice(1));
-      shouldShow = operator === "NOT_CONTAIN" ? !reg.test(memo.content) : reg.test(memo.content);
-    } else {
-      let contained = memo.content.toLowerCase().includes(value.toLowerCase());
-      if (operator === "NOT_CONTAIN") {
-        contained = !contained;
-      }
-      shouldShow = contained;
-    }
-  } else if (type === "DISPLAY_TIME") {
-    if (operator === "BEFORE") {
-      return memo.displayTs < getUnixTimeMillis(value);
-    } else {
-      return memo.displayTs >= getUnixTimeMillis(value);
-    }
-  } else if (type === "VISIBILITY") {
-    let matched = memo.visibility === value;
-    if (operator === "IS_NOT") {
-      matched = !matched;
-    }
-    shouldShow = matched;
-  }
-
-  return shouldShow;
-};
diff --git a/web/src/locales/en.json b/web/src/locales/en.json
index 501e75bb..9a48a216 100644
--- a/web/src/locales/en.json
+++ b/web/src/locales/en.json
@@ -75,7 +75,7 @@
   "auth": {
     "signup-as-host": "Sign up as Host",
     "host-tip": "You are registering as the Site Host.",
-    "not-host-tip": "If you don’t have an account, please contact the site host.",
+    "not-host-tip": "If you don't have an account, please contact the site host.",
     "new-password": "New password",
     "repeat-new-password": "Repeat the new password"
   },
@@ -164,7 +164,6 @@
     "member": "Member",
     "member-list": "Member list",
     "system": "System",
-    "openai": "OpenAI",
     "storage": "Storage",
     "sso": "SSO",
     "account-section": {
@@ -265,11 +264,6 @@
       "telegram-bot-token": "Telegram Bot Token",
       "telegram-bot-token-description": "Telegram Bot Token or API Proxy like `http.../bot<token>`",
       "telegram-bot-token-placeholder": "Your Telegram Bot token",
-      "openai-api-key": "OpenAI: API Key",
-      "openai-api-key-description": "Get API key",
-      "openai-api-key-placeholder": "Your OpenAI API Key",
-      "openai-api-host": "OpenAI: API Host",
-      "openai-api-host-placeholder": "Default: https://api.openai.com/",
       "display-with-updated-time": "Display with updated time"
     },
     "appearance-option": {
@@ -300,32 +294,6 @@
       "disabled-password-login-warning": "Password-login is disabled, be extra careful when removing identity providers❗"
     }
   },
-  "filter": {
-    "new-filter": "New Filter",
-    "type": {
-      "tag": "Tag",
-      "type": "Type",
-      "text": "Text",
-      "display-time": "Display Time",
-      "visibility": "Visibility"
-    },
-    "operator": {
-      "contains": "Contains",
-      "not-contains": "Does not contain",
-      "is": "Is",
-      "is-not": "Is Not",
-      "before": "Before",
-      "after": "After"
-    },
-    "value": {
-      "not-tagged": "No tags",
-      "linked": "Has links",
-      "has-attachment": "Has attachments"
-    },
-    "text-placeholder": "Starts with ^ to use regex",
-    "and": "And",
-    "or": "Or"
-  },
   "amount-text": {
     "memo_one": "MEMO",
     "memo_other": "MEMOS",
@@ -334,6 +302,36 @@
     "day_one": "TAG",
     "day_other": "TAGE"
   },
+  "days": {
+    "mon": "Mon",
+    "tue": "Tue",
+    "wed": "Wed",
+    "thu": "Thu",
+    "fri": "Fri",
+    "sat": "Sat",
+    "sun": "Sun"
+  },
+  "embed-memo": {
+    "title": "Embed Memo",
+    "text": "Copy and paste the below code into your blog or website.",
+    "only-public-supported": "* Only public memos can be embedded.",
+    "copy": "Copy"
+  },
+  "heatmap": {
+    "memo-in": "memo in {{period}}",
+    "memos-in": "memos in {{period}}",
+    "memo-on": "{{amount}} memo on {{date}}",
+    "memos-on": "{{amount}} memos on {{date}}",
+    "day": "day",
+    "days": "days"
+  },
+  "about": {
+    "about-memos": "About Memos",
+    "memos-description": "Memos is a web-based note-taking application that you can use to write, organize, and share notes.",
+    "no-server-description": "No description configured for this server.",
+    "powered-by": "Powered by",
+    "other-projects": "Other Projects"
+  },
   "message": {
     "no-data": "Maybe no data was found, or maybe it should be another option.",
     "memos-ready": "all memos are ready 🎉",
@@ -380,36 +378,6 @@
     "maximum-upload-size-is": "Maximum allowed upload size is {{size}} MiB",
     "file-exceeds-upload-limit-of": "File {{file}} exceeds upload limit of {{size}} MiB",
     "updating-setting-failed": "Updating setting failed",
-    "password-login-disabled": "Can’t remove last identity provider when password login is disabled"
-  },
-  "days": {
-    "mon": "Mon",
-    "tue": "Tue",
-    "wed": "Wed",
-    "thu": "Thu",
-    "fri": "Fri",
-    "sat": "Sat",
-    "sun": "Sun"
-  },
-  "embed-memo": {
-    "title": "Embed Memo",
-    "text": "Copy and paste the below code into your blog or website.",
-    "only-public-supported": "* Only public memos can be embedded.",
-    "copy": "Copy"
-  },
-  "heatmap": {
-    "memo-in": "memo in {{period}}",
-    "memos-in": "memos in {{period}}",
-    "memo-on": "{{amount}} memo on {{date}}",
-    "memos-on": "{{amount}} memos on {{date}}",
-    "day": "day",
-    "days": "days"
-  },
-  "about": {
-    "about-memos": "About Memos",
-    "memos-description": "Memos is a web-based note-taking application that you can use to write, organize, and share notes.",
-    "no-server-description": "No description configured for this server.",
-    "powered-by": "Powered by",
-    "other-projects": "Other Projects"
+    "password-login-disabled": "Can't remove last identity provider when password login is disabled"
   }
 }