diff --git a/teal/wormhole/pyteal/vaa-verify.py b/teal/wormhole/pyteal/vaa-verify.py
index 263ef81a..b6035b95 100644
--- a/teal/wormhole/pyteal/vaa-verify.py
+++ b/teal/wormhole/pyteal/vaa-verify.py
@@ -22,7 +22,7 @@ from globals import get_sig_count_in_step, get_group_size
 
 
 @Subroutine(TealType.uint64)
-def sig_check(signatures, digest, keys, num_guardians):
+def sig_check(signatures, digest, keys):
     si = ScratchVar(TealType.uint64)
     ki = ScratchVar(TealType.uint64)
     return Seq(