diff --git a/beacon-chain/slasher/chunks_test.go b/beacon-chain/slasher/chunks_test.go
index ba52d21efb74..7fc1ab7a6501 100644
--- a/beacon-chain/slasher/chunks_test.go
+++ b/beacon-chain/slasher/chunks_test.go
@@ -115,11 +115,11 @@ func TestMinSpanChunksSlice_CheckSlashable(t *testing.T) {
 	// based on our min chunk for either validator.
 	slashing, err := chunk.CheckSlashable(ctx, slasherDB, validatorIdx, att)
 	require.NoError(t, err)
-	require.Equal(t, (*ethpb.AttesterSlashing)(nil), slashing)
+	require.Equal(t, nil, slashing)
 
 	slashing, err = chunk.CheckSlashable(ctx, slasherDB, validatorIdx.Sub(1), att)
 	require.NoError(t, err)
-	require.Equal(t, (*ethpb.AttesterSlashing)(nil), slashing)
+	require.Equal(t, nil, slashing)
 
 	// Next up we initialize an empty chunks slice and mark an attestation
 	// with (source 1, target 2) as attested.
@@ -141,7 +141,7 @@ func TestMinSpanChunksSlice_CheckSlashable(t *testing.T) {
 
 	slashing, err = chunk.CheckSlashable(ctx, slasherDB, validatorIdx, surroundingVote)
 	require.NoError(t, err)
-	require.Equal(t, (*ethpb.AttesterSlashing)(nil), slashing)
+	require.Equal(t, nil, slashing)
 
 	// Next up, we save the old attestation record, then check if the
 	// surrounding vote is indeed slashable.
@@ -193,11 +193,11 @@ func TestMaxSpanChunksSlice_CheckSlashable(t *testing.T) {
 	// based on our max chunk for either validator.
 	slashing, err := chunk.CheckSlashable(ctx, slasherDB, validatorIdx, att)
 	require.NoError(t, err)
-	require.Equal(t, (*ethpb.AttesterSlashing)(nil), slashing)
+	require.Equal(t, nil, slashing)
 
 	slashing, err = chunk.CheckSlashable(ctx, slasherDB, validatorIdx.Sub(1), att)
 	require.NoError(t, err)
-	require.Equal(t, (*ethpb.AttesterSlashing)(nil), slashing)
+	require.Equal(t, nil, slashing)
 
 	// Next up we initialize an empty chunks slice and mark an attestation
 	// with (source 0, target 3) as attested.
@@ -219,7 +219,7 @@ func TestMaxSpanChunksSlice_CheckSlashable(t *testing.T) {
 
 	slashing, err = chunk.CheckSlashable(ctx, slasherDB, validatorIdx, surroundedVote)
 	require.NoError(t, err)
-	require.Equal(t, (*ethpb.AttesterSlashing)(nil), slashing)
+	require.Equal(t, nil, slashing)
 
 	// Next up, we save the old attestation record, then check if the
 	// surroundedVote vote is indeed slashable.