diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 4e105eb0f..137167abc 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -1317,7 +1317,6 @@ def activate_validator(state: BeaconState,
     if validator.status != PENDING_ACTIVATION:
         return
 
-    validator = state.validator_registry[index]
     validator.status = ACTIVE
     validator.latest_status_change_slot = state.slot
     state.validator_registry_delta_chain_tip = get_new_validator_registry_delta_chain_tip(