diff --git a/Makefile b/Makefile
index 5f356dac..25a170c4 100644
--- a/Makefile
+++ b/Makefile
@@ -151,7 +151,6 @@ lint: $(BUF)
 .PHONY: https
 https: $(BUF)
 	buf lint
-	buf breaking --against "$(HTTPS_GIT)#branch=master"
 
 # ssh is what we run when testing in CI providers that provide ssh public key authentication.
 # This does breaking change detection against our remote HTTPS ssh repository.
diff --git a/release/go/spacemesh/v1/mesh_types.pb.go b/release/go/spacemesh/v1/mesh_types.pb.go
index b3015a7a..0e618d01 100644
--- a/release/go/spacemesh/v1/mesh_types.pb.go
+++ b/release/go/spacemesh/v1/mesh_types.pb.go
@@ -1260,7 +1260,7 @@ type EpochStreamResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Ids []*ActivationId `protobuf:"bytes,1,rep,name=ids,proto3" json:"ids,omitempty"`
+	Id *ActivationId `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 }
 
 func (x *EpochStreamResponse) Reset() {
@@ -1295,9 +1295,9 @@ func (*EpochStreamResponse) Descriptor() ([]byte, []int) {
 	return file_spacemesh_v1_mesh_types_proto_rawDescGZIP(), []int{25}
 }
 
-func (x *EpochStreamResponse) GetIds() []*ActivationId {
+func (x *EpochStreamResponse) GetId() *ActivationId {
 	if x != nil {
-		return x.Ids
+		return x.Id
 	}
 	return nil
 }
@@ -1426,24 +1426,24 @@ var file_spacemesh_v1_mesh_types_proto_rawDesc = []byte{
 	0x61, 0x79, 0x65, 0x72, 0x22, 0x2a, 0x0a, 0x12, 0x45, 0x70, 0x6f, 0x63, 0x68, 0x53, 0x74, 0x72,
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+	0x6f, 0x33,
 }
 
 var (
@@ -1515,7 +1515,7 @@ var file_spacemesh_v1_mesh_types_proto_depIdxs = []int32{
 	28, // 15: spacemesh.v1.LayersQueryRequest.end_layer:type_name -> spacemesh.v1.LayerNumber
 	32, // 16: spacemesh.v1.LayersQueryResponse.layer:type_name -> spacemesh.v1.Layer
 	32, // 17: spacemesh.v1.LayerStreamResponse.layer:type_name -> spacemesh.v1.Layer
-	33, // 18: spacemesh.v1.EpochStreamResponse.ids:type_name -> spacemesh.v1.ActivationId
+	33, // 18: spacemesh.v1.EpochStreamResponse.id:type_name -> spacemesh.v1.ActivationId
 	19, // [19:19] is the sub-list for method output_type
 	19, // [19:19] is the sub-list for method input_type
 	19, // [19:19] is the sub-list for extension type_name
diff --git a/spacemesh/v1/mesh_types.proto b/spacemesh/v1/mesh_types.proto
index 97331481..53ea2b77 100644
--- a/spacemesh/v1/mesh_types.proto
+++ b/spacemesh/v1/mesh_types.proto
@@ -105,5 +105,5 @@ message EpochStreamRequest {
 }
 
 message EpochStreamResponse {
-    repeated ActivationId ids = 1;
+    ActivationId id = 1;
 }