diff --git a/sdk/adapters/lumera/adapter.go b/sdk/adapters/lumera/adapter.go
index e7b1e678..d0a23cb2 100644
--- a/sdk/adapters/lumera/adapter.go
+++ b/sdk/adapters/lumera/adapter.go
@@ -411,17 +411,19 @@ func (a *Adapter) SubmitCascadeClientFailureEvidence(
 	if err != nil {
 		return fmt.Errorf("marshal cascade client failure evidence metadata: %w", err)
 	}
-
-	_, err = a.client.AuditMsg().SubmitEvidence(
-		ctx,
-		subjectAddress,
-		audittypes.EvidenceType_EVIDENCE_TYPE_CASCADE_CLIENT_FAILURE,
-		actionID,
-		string(bz),
-	)
-	if err != nil {
-		return fmt.Errorf("submit cascade client failure evidence: %w", err)
-	}
+	_ = bz
+
+	// TEMPORARY INCIDENT MITIGATION: chain submission intentionally disabled.
+	// _, err = a.client.AuditMsg().SubmitEvidence(
+	// 	ctx,
+	// 	subjectAddress,
+	// 	audittypes.EvidenceType_EVIDENCE_TYPE_CASCADE_CLIENT_FAILURE,
+	// 	actionID,
+	// 	string(bz),
+	// )
+	// if err != nil {
+	// 	return fmt.Errorf("submit cascade client failure evidence: %w", err)
+	// }
 	return nil
 }
 
diff --git a/supernode/storage_challenge/service.go b/supernode/storage_challenge/service.go
index 7d8e0673..c9e972df 100644
--- a/supernode/storage_challenge/service.go
+++ b/supernode/storage_challenge/service.go
@@ -611,12 +611,15 @@ func (s *Service) maybeSubmitEvidence(ctx context.Context, params audittypes.Par
 
 	submitCtx, cancel := context.WithTimeout(ctx, scEvidenceSubmitTimeout)
 	defer cancel()
-
-	_, err = s.lumera.AuditMsg().SubmitEvidence(submitCtx, recipient, audittypes.EvidenceType_EVIDENCE_TYPE_STORAGE_CHALLENGE_FAILURE, "", string(bz))
-	if err != nil {
-		return err
-	}
-	logtrace.Warn(ctx, "storage challenge failure evidence submitted", logtrace.Fields{
+	_ = submitCtx
+	_ = bz
+
+	// TEMPORARY INCIDENT MITIGATION: chain submission intentionally disabled.
+	// _, err = s.lumera.AuditMsg().SubmitEvidence(submitCtx, recipient, audittypes.EvidenceType_EVIDENCE_TYPE_STORAGE_CHALLENGE_FAILURE, "", string(bz))
+	// if err != nil {
+	// 	return err
+	// }
+	logtrace.Warn(ctx, "storage challenge failure evidence submission temporarily disabled", logtrace.Fields{
 		"epoch_id":     epochID,
 		"challenge_id": challengeID,
 		"recipient_id": recipient,