diff --git a/lib/components/fid-provider.react.js b/lib/components/fid-provider.react.js
--- a/lib/components/fid-provider.react.js
+++ b/lib/components/fid-provider.react.js
@@ -3,7 +3,7 @@
 import * as React from 'react';
 
 type FIDContextType = {
-  +setFID: string => void,
+  +setFID: (?string) => mixed,
   +fid: ?string,
 };
 
diff --git a/native/profile/farcaster-account-settings.react.js b/native/profile/farcaster-account-settings.react.js
--- a/native/profile/farcaster-account-settings.react.js
+++ b/native/profile/farcaster-account-settings.react.js
@@ -29,8 +29,8 @@
   const styles = useStyles(unboundStyles);
 
   const onPressDisconnect = React.useCallback(() => {
-    // TODO: Implement disconnecting from Farcaster
-  }, []);
+    setFID(null);
+  }, [setFID]);
 
   const [webViewState, setWebViewState] =
     React.useState<FarcasterWebViewState>('closed');