diff --git a/specs/phase0/fork-choice.md b/specs/phase0/fork-choice.md
index d8aaed14f..49366b203 100644
--- a/specs/phase0/fork-choice.md
+++ b/specs/phase0/fork-choice.md
@@ -317,13 +317,11 @@ def update_latest_messages(store: Store, attesting_indices: Sequence[ValidatorIn
 ```python
 def on_tick(store: Store, time: uint64) -> None:
     previous_slot = get_current_slot(store)
-    print(previous_slot)
 
     # update store time
     store.time = time
 
     current_slot = get_current_slot(store)
-    print(current_slot)
     # Not a new epoch, return
     if not (current_slot > previous_slot and compute_slots_since_epoch_start(current_slot) == 0):
         return
diff --git a/specs/phase1/beacon-chain.md b/specs/phase1/beacon-chain.md
index fcd703a96..fe5c0d9a7 100644
--- a/specs/phase1/beacon-chain.md
+++ b/specs/phase1/beacon-chain.md
@@ -544,9 +544,6 @@ def is_valid_indexed_attestation(state: BeaconState, indexed_attestation: Indexe
                         AttestationCustodyBitWrapper(hash_tree_root(attestation.data), i, cbit), domain))
                 else:
                     assert not cbit
-        print(all_pubkeys)
-        print(all_signing_roots)
-        print(attestation.signature)
         return bls.AggregateVerify(zip(all_pubkeys, all_signing_roots), signature=attestation.signature)
 ```