diff --git a/packages/common/nbstore/src/frontend/blob.ts b/packages/common/nbstore/src/frontend/blob.ts
index 54d898876..6af87f7e9 100644
--- a/packages/common/nbstore/src/frontend/blob.ts
+++ b/packages/common/nbstore/src/frontend/blob.ts
@@ -36,11 +36,6 @@ export class BlobFrontend {
 
   async set(blob: BlobRecord) {
     await this.waitForConnected();
-    if (blob.data.byteLength > this.maxBlobSize) {
-      for (const cb of this.onReachedMaxBlobSizeCallbacks) {
-        cb(blob.data.byteLength);
-      }
-    }
     await using lock = await this.lock.lock('blob', blob.key);
     await this.storage.set(blob);
     await lock[Symbol.asyncDispose]();
@@ -77,20 +72,6 @@ export class BlobFrontend {
     return this.sync.fullDownload(peerId, signal);
   }
 
-  private maxBlobSize = 1024 * 1024 * 100; // 100MB
-  private readonly onReachedMaxBlobSizeCallbacks: Set<
-    (byteSize: number) => void
-  > = new Set();
-
-  setMaxBlobSize(max: number) {
-    this.maxBlobSize = max;
-  }
-
-  onReachedMaxBlobSize(cb: (byteSize: number) => void): () => void {
-    this.onReachedMaxBlobSizeCallbacks.add(cb);
-    return () => this.onReachedMaxBlobSizeCallbacks.delete(cb);
-  }
-
   private waitForConnected(signal?: AbortSignal) {
     return this.storage.connection.waitForConnected(signal);
   }
diff --git a/packages/frontend/core/src/components/affine/quota-reached-modal/cloud-quota-modal.css.ts b/packages/frontend/core/src/components/affine/quota-reached-modal/cloud-quota-modal.css.ts
deleted file mode 100644
index 96cbc5c68..000000000
--- a/packages/frontend/core/src/components/affine/quota-reached-modal/cloud-quota-modal.css.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import { cssVar } from '@toeverything/theme';
-import { cssVarV2 } from '@toeverything/theme/v2';
-import { style } from '@vanilla-extract/css';
-
-export const ulStyle = style({
-  display: 'flex',
-  flexDirection: 'column',
-  justifyContent: 'center',
-  gap: '8px',
-  marginTop: '12px',
-});
-
-export const liStyle = style({
-  display: 'flex',
-  flexDirection: 'row',
-  alignItems: 'start',
-  fontSize: cssVar('fontBase'),
-});
-
-export const prefixDot = style({
-  background: cssVarV2('icon/activated'),
-  width: '5px',
-  height: '5px',
-  borderRadius: '50%',
-  marginRight: '12px',
-  marginTop: '10px',
-});
diff --git a/packages/frontend/core/src/components/affine/quota-reached-modal/cloud-quota-modal.tsx b/packages/frontend/core/src/components/affine/quota-reached-modal/cloud-quota-modal.tsx
deleted file mode 100644
index 8dd1149bf..000000000
--- a/packages/frontend/core/src/components/affine/quota-reached-modal/cloud-quota-modal.tsx
+++ /dev/null
@@ -1,123 +0,0 @@
-import { ConfirmModal } from '@affine/component/ui/modal';
-import { openQuotaModalAtom } from '@affine/core/components/atoms';
-import { WorkspaceDialogService } from '@affine/core/modules/dialogs';
-import { WorkspacePermissionService } from '@affine/core/modules/permissions';
-import { WorkspaceQuotaService } from '@affine/core/modules/quota';
-import { WorkspaceService } from '@affine/core/modules/workspace';
-import { type I18nString, useI18n } from '@affine/i18n';
-import { track } from '@affine/track';
-import { useLiveData, useService } from '@toeverything/infra';
-import { useAtom } from 'jotai';
-import { useCallback, useEffect, useMemo } from 'react';
-
-import { useAsyncCallback } from '../../hooks/affine-async-hooks';
-import * as styles from './cloud-quota-modal.css';
-
-export const CloudQuotaModal = () => {
-  const t = useI18n();
-  const currentWorkspace = useService(WorkspaceService).workspace;
-  const [open, setOpen] = useAtom(openQuotaModalAtom);
-  const workspaceQuotaService = useService(WorkspaceQuotaService);
-  useEffect(() => {
-    workspaceQuotaService.quota.revalidate();
-  }, [workspaceQuotaService]);
-  const workspaceQuota = useLiveData(workspaceQuotaService.quota.quota$);
-  const permissionService = useService(WorkspacePermissionService);
-  const isOwner = useLiveData(permissionService.permission.isOwner$);
-  useEffect(() => {
-    // revalidate permission
-    permissionService.permission.revalidate();
-  }, [permissionService]);
-
-  const workspaceDialogService = useService(WorkspaceDialogService);
-  const handleUpgradeConfirm = useCallback(() => {
-    workspaceDialogService.open('setting', {
-      activeTab: 'plans',
-      scrollAnchor: 'cloudPricingPlan',
-    });
-
-    track.$.paywall.storage.viewPlans();
-    setOpen(false);
-  }, [workspaceDialogService, setOpen]);
-
-  const description = useMemo(() => {
-    if (!workspaceQuota) {
-      return null;
-    }
-    if (isOwner) {
-      return (
-        <OwnerDescription quota={workspaceQuota.humanReadable.blobLimit} />
-      );
-    }
-
-    return t['com.affine.payment.blob-limit.description.member']({
-      quota: workspaceQuota.humanReadable.blobLimit,
-    });
-  }, [isOwner, workspaceQuota, t]);
-
-  const onAbortLargeBlob = useAsyncCallback(
-    async (byteSize: number) => {
-      // wait for quota revalidation
-      await workspaceQuotaService.quota.waitForRevalidation();
-      if (
-        byteSize > (workspaceQuotaService.quota.quota$.value?.blobLimit ?? 0)
-      ) {
-        setOpen(true);
-      }
-    },
-    [setOpen, workspaceQuotaService]
-  );
-
-  useEffect(() => {
-    if (!workspaceQuota) {
-      return;
-    }
-
-    currentWorkspace.engine.blob.setMaxBlobSize(workspaceQuota.blobLimit);
-
-    const disposable =
-      currentWorkspace.engine.blob.onReachedMaxBlobSize(onAbortLargeBlob);
-    return () => {
-      disposable();
-    };
-  }, [currentWorkspace.engine.blob, onAbortLargeBlob, workspaceQuota]);
-
-  return (
-    <ConfirmModal
-      open={open}
-      title={t['com.affine.payment.blob-limit.title']()}
-      onOpenChange={setOpen}
-      description={description}
-      onConfirm={handleUpgradeConfirm}
-      confirmText={t['com.affine.payment.upgrade']()}
-      confirmButtonOptions={{
-        variant: 'primary',
-      }}
-    />
-  );
-};
-
-const tips: I18nString[] = [
-  'com.affine.payment.blob-limit.description.owner.tips-1',
-  'com.affine.payment.blob-limit.description.owner.tips-2',
-  'com.affine.payment.blob-limit.description.owner.tips-3',
-];
-
-const OwnerDescription = ({ quota }: { quota: string }) => {
-  const t = useI18n();
-  return (
-    <div>
-      {t['com.affine.payment.blob-limit.description.owner']({
-        quota: quota,
-      })}
-      <ul className={styles.ulStyle}>
-        {tips.map((tip, index) => (
-          <li className={styles.liStyle} key={index}>
-            <div className={styles.prefixDot} />
-            {t.t(tip)}
-          </li>
-        ))}
-      </ul>
-    </div>
-  );
-};
diff --git a/packages/frontend/core/src/components/affine/quota-reached-modal/index.tsx b/packages/frontend/core/src/components/affine/quota-reached-modal/index.tsx
deleted file mode 100644
index 486c4c572..000000000
--- a/packages/frontend/core/src/components/affine/quota-reached-modal/index.tsx
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from './cloud-quota-modal';
-export * from './local-quota-modal';
diff --git a/packages/frontend/core/src/components/affine/quota-reached-modal/local-quota-modal.tsx b/packages/frontend/core/src/components/affine/quota-reached-modal/local-quota-modal.tsx
deleted file mode 100644
index db1292cef..000000000
--- a/packages/frontend/core/src/components/affine/quota-reached-modal/local-quota-modal.tsx
+++ /dev/null
@@ -1,45 +0,0 @@
-import { ConfirmModal } from '@affine/component/ui/modal';
-import { openQuotaModalAtom } from '@affine/core/components/atoms';
-import { WorkspaceService } from '@affine/core/modules/workspace';
-import { useI18n } from '@affine/i18n';
-import { useService } from '@toeverything/infra';
-import { useAtom } from 'jotai';
-import { useCallback, useEffect } from 'react';
-
-export const LocalQuotaModal = () => {
-  const t = useI18n();
-  const currentWorkspace = useService(WorkspaceService).workspace;
-  const [open, setOpen] = useAtom(openQuotaModalAtom);
-
-  const onConfirm = useCallback(() => {
-    setOpen(false);
-  }, [setOpen]);
-
-  useEffect(() => {
-    const disposable = currentWorkspace.engine.blob.onReachedMaxBlobSize(() => {
-      setOpen(true);
-    });
-    return () => {
-      disposable();
-    };
-  }, [currentWorkspace.engine.blob, setOpen]);
-
-  return (
-    <ConfirmModal
-      open={open}
-      title={t['com.affine.payment.blob-limit.title']()}
-      description={t['com.affine.payment.blob-limit.description.local']({
-        quota: '100MB',
-      })}
-      onOpenChange={setOpen}
-      cancelButtonOptions={{
-        hidden: true,
-      }}
-      onConfirm={onConfirm}
-      confirmText={t['Got it']()}
-      confirmButtonOptions={{
-        variant: 'primary',
-      }}
-    />
-  );
-};
diff --git a/packages/frontend/core/src/desktop/pages/workspace/layouts/workspace-layout.tsx b/packages/frontend/core/src/desktop/pages/workspace/layouts/workspace-layout.tsx
index cc198d268..28c50bb8b 100644
--- a/packages/frontend/core/src/desktop/pages/workspace/layouts/workspace-layout.tsx
+++ b/packages/frontend/core/src/desktop/pages/workspace/layouts/workspace-layout.tsx
@@ -1,10 +1,5 @@
 import { uniReactRoot } from '@affine/component';
-// import { WorkspaceAIOnboarding } from '@affine/core/components/affine/ai-onboarding';
 import { AiLoginRequiredModal } from '@affine/core/components/affine/auth/ai-login-required';
-import {
-  CloudQuotaModal,
-  LocalQuotaModal,
-} from '@affine/core/components/affine/quota-reached-modal';
 import { useResponsiveSidebar } from '@affine/core/components/hooks/use-responsive-siedebar';
 import { SWRConfigProvider } from '@affine/core/components/providers/swr-config-provider';
 import { WorkspaceSideEffects } from '@affine/core/components/providers/workspace-side-effects';
@@ -29,13 +24,8 @@ export const WorkspaceLayout = function WorkspaceLayout({
 
       {/* ---- some side-effect components ---- */}
       {currentWorkspace?.flavour !== 'local' ? (
-        <>
-          <CloudQuotaModal />
-          <QuotaCheck workspaceMeta={currentWorkspace.meta} />
-        </>
-      ) : (
-        <LocalQuotaModal />
-      )}
+        <QuotaCheck workspaceMeta={currentWorkspace.meta} />
+      ) : null}
       <AiLoginRequiredModal />
       <WorkspaceSideEffects />
       <PeekViewManagerModal />
diff --git a/packages/frontend/core/src/mobile/pages/workspace/layout.tsx b/packages/frontend/core/src/mobile/pages/workspace/layout.tsx
index 10ca926f5..af75e1972 100644
--- a/packages/frontend/core/src/mobile/pages/workspace/layout.tsx
+++ b/packages/frontend/core/src/mobile/pages/workspace/layout.tsx
@@ -1,10 +1,6 @@
 import { uniReactRoot } from '@affine/component';
 import { AffineErrorBoundary } from '@affine/core/components/affine/affine-error-boundary';
 import { AiLoginRequiredModal } from '@affine/core/components/affine/auth/ai-login-required';
-import {
-  CloudQuotaModal,
-  LocalQuotaModal,
-} from '@affine/core/components/affine/quota-reached-modal';
 import { SWRConfigProvider } from '@affine/core/components/providers/swr-config-provider';
 import { WorkspaceSideEffects } from '@affine/core/components/providers/workspace-side-effects';
 import {
@@ -146,11 +142,6 @@ export const WorkspaceLayout = ({
 
             {/* ---- some side-effect components ---- */}
             <PeekViewManagerModal />
-            {workspace?.flavour !== 'local' ? (
-              <CloudQuotaModal />
-            ) : (
-              <LocalQuotaModal />
-            )}
             <AiLoginRequiredModal />
             <uniReactRoot.Root />
             <WorkspaceSideEffects />
diff --git a/packages/frontend/i18n/src/i18n-completenesses.json b/packages/frontend/i18n/src/i18n-completenesses.json
index 88fc0ffc1..ca42b9a0d 100644
--- a/packages/frontend/i18n/src/i18n-completenesses.json
+++ b/packages/frontend/i18n/src/i18n-completenesses.json
@@ -14,7 +14,7 @@
   "it-IT": 100,
   "it": 1,
   "ja": 100,
-  "ko": 53,
+  "ko": 54,
   "pl": 100,
   "pt-BR": 100,
   "ru": 100,
diff --git a/packages/frontend/i18n/src/i18n.gen.ts b/packages/frontend/i18n/src/i18n.gen.ts
index 8eecc451b..de25d55ae 100644
--- a/packages/frontend/i18n/src/i18n.gen.ts
+++ b/packages/frontend/i18n/src/i18n.gen.ts
@@ -3622,36 +3622,6 @@ export function useAFFiNEI18N(): {
       * `Tell us your use case`
       */
     ["com.affine.payment.billing-type-form.title"](): string;
-    /**
-      * `The maximum file upload size for local workspaces is {{quota}}.`
-      */
-    ["com.affine.payment.blob-limit.description.local"](options: {
-        readonly quota: string;
-    }): string;
-    /**
-      * `The maximum file upload size for this joined workspace is {{quota}}. You can contact the owner of this workspace.`
-      */
-    ["com.affine.payment.blob-limit.description.member"](options: {
-        readonly quota: string;
-    }): string;
-    /**
-      * `The maximum file upload size for this workspace is {{quota}}. To proceed, you can:`
-      */
-    ["com.affine.payment.blob-limit.description.owner"](options: {
-        readonly quota: string;
-    }): string;
-    /**
-      * `Upgrade your account for larger file upload limits`
-      */
-    ["com.affine.payment.blob-limit.description.owner.tips-1"](): string;
-    /**
-      * `Upgrade the workspace plan to increase storage for all member`
-      */
-    ["com.affine.payment.blob-limit.description.owner.tips-2"](): string;
-    /**
-      * `Compress your file and upload again`
-      */
-    ["com.affine.payment.blob-limit.description.owner.tips-3"](): string;
     /**
       * `You have reached the limit`
       */
diff --git a/packages/frontend/i18n/src/resources/en.json b/packages/frontend/i18n/src/resources/en.json
index b1eadc8b0..844e8b626 100644
--- a/packages/frontend/i18n/src/resources/en.json
+++ b/packages/frontend/i18n/src/resources/en.json
@@ -903,12 +903,6 @@
   "com.affine.payment.billing-type-form.description": "Please tell us more about your use case, to make AFFiNE better.",
   "com.affine.payment.billing-type-form.go": "Go",
   "com.affine.payment.billing-type-form.title": "Tell us your use case",
-  "com.affine.payment.blob-limit.description.local": "The maximum file upload size for local workspaces is {{quota}}.",
-  "com.affine.payment.blob-limit.description.member": "The maximum file upload size for this joined workspace is {{quota}}. You can contact the owner of this workspace.",
-  "com.affine.payment.blob-limit.description.owner": "The maximum file upload size for this workspace is {{quota}}. To proceed, you can:",
-  "com.affine.payment.blob-limit.description.owner.tips-1": "Upgrade your account for larger file upload limits",
-  "com.affine.payment.blob-limit.description.owner.tips-2": "Upgrade the workspace plan to increase storage for all member",
-  "com.affine.payment.blob-limit.description.owner.tips-3": "Compress your file and upload again",
   "com.affine.payment.blob-limit.title": "You have reached the limit",
   "com.affine.payment.book-a-demo": "Book a demo",
   "com.affine.payment.buy-pro": "Buy Pro",