diff --git a/crates/cdk-signatory/src/proto/signatory.proto b/crates/cdk-signatory/src/proto/signatory.proto
index 600bb223..5b82408a 100644
--- a/crates/cdk-signatory/src/proto/signatory.proto
+++ b/crates/cdk-signatory/src/proto/signatory.proto
@@ -105,16 +105,7 @@ message Proof {
   bytes c = 4;
 }
 
-message ProofDLEQ {
-  bytes e = 1;
-  bytes s = 2;
-  bytes r = 3;
-}
 
-message SigningResponse {
-  Error error = 1;
-  BlindSignatures blind_signatures = 2;
-}
 message BlindSignatures {
   repeated BlindSignature blind_signatures = 1;
 }