diff --git a/beacon_node/beacon_chain/src/execution_payload.rs b/beacon_node/beacon_chain/src/execution_payload.rs
index 8b3d0d23d4..cdf1d7b6a2 100644
--- a/beacon_node/beacon_chain/src/execution_payload.rs
+++ b/beacon_node/beacon_chain/src/execution_payload.rs
@@ -168,7 +168,8 @@ pub fn validate_execution_payload_for_gossip<T: BeaconChainTypes>(
         if is_merge_complete || execution_payload != &<_>::default() {
             let expected_timestamp = chain
                 .slot_clock
-                .compute_timestamp_at_slot(block.slot())
+                .start_of(block.slot())
+                .map(|d| d.as_secs())
                 .ok_or(BlockError::BeaconChainError(
                     BeaconChainError::UnableToComputeTimeAtSlot,
                 ))?;
diff --git a/common/slot_clock/src/lib.rs b/common/slot_clock/src/lib.rs
index 18b7fd322b..9fa24a022e 100644
--- a/common/slot_clock/src/lib.rs
+++ b/common/slot_clock/src/lib.rs
@@ -102,14 +102,4 @@ pub trait SlotClock: Send + Sync + Sized + Clone {
     fn sync_committee_contribution_production_delay(&self) -> Duration {
         self.slot_duration() * 2 / 3
     }
-
-    /// An implementation of the method described in the consensus spec here:
-    ///
-    /// https://github.com/ethereum/consensus-specs/blob/dev/specs/merge/beacon-chain.md#compute_timestamp_at_slot
-    fn compute_timestamp_at_slot(&self, slot: Slot) -> Option<u64> {
-        let slots_since_genesis = slot.as_u64().checked_sub(self.genesis_slot().as_u64())?;
-        slots_since_genesis
-            .checked_mul(self.slot_duration().as_secs())
-            .and_then(|since_genesis| self.genesis_duration().as_secs().checked_add(since_genesis))
-    }
 }