diff --git a/src/websockets/legacy/framing.py b/src/websockets/legacy/framing.py
index add0c6e0e..ca1c26f5c 100644
--- a/src/websockets/legacy/framing.py
+++ b/src/websockets/legacy/framing.py
@@ -87,7 +87,6 @@ async def read(
 
         length = head2 & 0b01111111
         if length == 126:
-            data = await reader(2)
             (length,) = struct.unpack("!H", data)
         elif length == 127:
             data = await reader(8)