diff --git a/src/middlewares.ts b/src/middlewares.ts
index 62cc7a3..8daa78c 100644
--- a/src/middlewares.ts
+++ b/src/middlewares.ts
@@ -16,22 +16,13 @@ const hashPattern = /(?:^|.*?\.)hash-([a-f0-9]+)\./;
 function assembleSubdomainUrlForHash(req: any, commitHash: CommitHash) {
   const protocol = req.secure || req.headers.host.indexOf( 'calypso.live' ) > -1 ? "https" : "http";
 
-  const query =
-    Object.keys( req.query )
-    .reduce(
-      ( q, key ) => key === 'branch' ? q : q.concat( `${ encodeURIComponent( key ) }=${ encodeURIComponent( q[ key as keyof {} ] ) }` ),
-      []
-    )
-    .join( '&' );
-
   return (
     protocol +
     "://hash-" +
     commitHash +
     "." +
     stripCommitHashSubdomainFromHost(req.headers.host) +
-    req.path +
-    query ? `?${ query }` : ''
+    req.path
   );
 }