diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 198c4872a..2097f6a0e 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -34,7 +34,6 @@
                 - [`Deposit`](#deposit)
                 - [`DepositData`](#depositdata)
                 - [`DepositInput`](#depositinput)
-                - [`ProofOfPossessionData`](#proofofpossessiondata)
             - [Exits](#exits)
                 - [`Exit`](#exit)
         - [Beacon chain blocks](#beacon-chain-blocks)
@@ -1223,8 +1222,7 @@ def process_deposit(state: BeaconState,
                     deposit: int,
                     proof_of_possession: bytes,
                     withdrawal_credentials: Hash32,
-                    randao_commitment: Hash32,
-                    status: int) -> int:
+                    randao_commitment: Hash32) -> int:
     """
     Process a deposit from Ethereum 1.0.
     Note that this function mutates ``state``.