diff --git a/storage/sealer/proofpaths/cachefiles_test.go b/storage/sealer/proofpaths/cachefiles_test.go
index b2c0639c841..bfe8621b13e 100644
--- a/storage/sealer/proofpaths/cachefiles_test.go
+++ b/storage/sealer/proofpaths/cachefiles_test.go
@@ -10,6 +10,10 @@ import (
 
 func TestSDRLayersDefined(t *testing.T) {
 	for proof := range abi.SealProofInfos {
+		// TODO: Drop after feat/nv21 is merged in (that is, when SynthPoRep changes land)
+		if proof >= abi.RegisteredSealProof_StackedDrg2KiBV1_1_Feat_SyntheticPoRep && proof <= abi.RegisteredSealProof_StackedDrg64GiBV1_1_Feat_SyntheticPoRep {
+			continue
+		}
 		_, err := SDRLayers(proof)
 		require.NoError(t, err)
 	}