diff --git a/state/execution.go b/state/execution.go
index f6f6a314b..a55bc5f8b 100644
--- a/state/execution.go
+++ b/state/execution.go
@@ -313,7 +313,6 @@ func (s *State) validateBlock(b *types.Block) error {
 		if _, err := s.VerifyEvidence(ev); err != nil {
 			return types.NewEvidenceInvalidErr(ev, err)
 		}
-		// TODO: mark evidence as committed
 	}
 
 	return nil
diff --git a/types/evidence.go b/types/evidence.go
index e270a0deb..48c2d1897 100644
--- a/types/evidence.go
+++ b/types/evidence.go
@@ -126,9 +126,6 @@ func (dve *DuplicateVoteEvidence) Hash() []byte {
 // Verify returns an error if the two votes aren't conflicting.
 // To be conflicting, they must be from the same validator, for the same H/R/S, but for different blocks.
 func (dve *DuplicateVoteEvidence) Verify(chainID string) error {
-
-	// TODO: verify (cs.Height - dve.Height) < MaxHeightDiff
-
 	// H/R/S must be the same
 	if dve.VoteA.Height != dve.VoteB.Height ||
 		dve.VoteA.Round != dve.VoteB.Round ||