diff --git a/web/tag-farcaster-channel/remove-tag-button.react.js b/web/tag-farcaster-channel/remove-tag-button.react.js
new file mode 100644
--- /dev/null
+++ b/web/tag-farcaster-channel/remove-tag-button.react.js
@@ -0,0 +1,37 @@
+// @flow
+
+import * as React from 'react';
+
+import { useRemoveFarcasterChannelTag } from 'lib/shared/community-utils.js';
+import type { SetState } from 'lib/types/hook-types.js';
+
+import Button, { buttonThemes } from '../components/button.react.js';
+
+type Props = {
+  +communityID: string,
+  +channelID: string,
+  +setError: SetState<?string>,
+};
+
+function RemoveTagButton(props: Props): React.Node {
+  const { communityID, channelID, setError } = props;
+
+  const { removeTag, isLoading } = useRemoveFarcasterChannelTag(
+    communityID,
+    channelID,
+    setError,
+  );
+
+  return (
+    <Button
+      variant="filled"
+      buttonColor={buttonThemes.danger}
+      onClick={removeTag}
+      disabled={isLoading}
+    >
+      Remove tag
+    </Button>
+  );
+}
+
+export default RemoveTagButton;
diff --git a/web/tag-farcaster-channel/tag-farcaster-channel-modal.css b/web/tag-farcaster-channel/tag-farcaster-channel-modal.css
--- a/web/tag-farcaster-channel/tag-farcaster-channel-modal.css
+++ b/web/tag-farcaster-channel/tag-farcaster-channel-modal.css
@@ -20,3 +20,11 @@
   color: var(--text-background-secondary-default);
   font-size: var(--m-font-16);
 }
+
+.errorMessage {
+  color: var(--text-background-danger-default);
+  font-size: var(--s-font-14);
+  margin-top: 8px;
+  height: 18px;
+  text-align: center;
+}
diff --git a/web/tag-farcaster-channel/tag-farcaster-channel-modal.react.js b/web/tag-farcaster-channel/tag-farcaster-channel-modal.react.js
--- a/web/tag-farcaster-channel/tag-farcaster-channel-modal.react.js
+++ b/web/tag-farcaster-channel/tag-farcaster-channel-modal.react.js
@@ -5,6 +5,7 @@
 import { useModalContext } from 'lib/components/modal-provider.react.js';
 import type { CommunityInfo } from 'lib/types/community-types.js';
 
+import RemoveTagButton from './remove-tag-button.react.js';
 import css from './tag-farcaster-channel-modal.css';
 import Modal from '../modals/modal.react.js';
 import { useSelector } from '../redux/redux-utils.js';
@@ -22,6 +23,8 @@
     state => state.communityStore.communityInfos[communityID],
   );
 
+  const [removeTagError, setRemoveTagError] = React.useState<?string>();
+
   const channelNameTextContent = React.useMemo(() => {
     if (!communityInfo?.farcasterChannelID) {
       return (
@@ -36,17 +39,37 @@
     );
   }, [communityInfo?.farcasterChannelID]);
 
+  const primaryButton = React.useMemo(() => {
+    if (communityInfo?.farcasterChannelID) {
+      return (
+        <RemoveTagButton
+          communityID={communityID}
+          channelID={communityInfo.farcasterChannelID}
+          setError={setRemoveTagError}
+        />
+      );
+    }
+    // TODO: Implement TagChannelButton
+    return null;
+  }, [communityID, communityInfo?.farcasterChannelID]);
+
   const tagFarcasterChannelModal = React.useMemo(
     () => (
-      <Modal name="Tag a Farcaster channel" onClose={popModal} size="large">
+      <Modal
+        name="Tag a Farcaster channel"
+        onClose={popModal}
+        size="large"
+        primaryButton={primaryButton}
+      >
         <div className={css.modalDescription}>
           Tag a Farcaster channel so followers can find your Comm community!
         </div>
         <div className={css.farcasterChannelTitle}>Selected channel:</div>
         {channelNameTextContent}
+        <div className={css.errorMessage}>{removeTagError}</div>
       </Modal>
     ),
-    [channelNameTextContent, popModal],
+    [channelNameTextContent, popModal, primaryButton, removeTagError],
   );
 
   return tagFarcasterChannelModal;