diff --git a/waku/v2/protocol/waku_message.pb.go b/waku/v2/protocol/waku_message.pb.go
index 726867f0..74dfc8ae 100644
--- a/waku/v2/protocol/waku_message.pb.go
+++ b/waku/v2/protocol/waku_message.pb.go
@@ -30,11 +30,11 @@ type WakuMessage struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Payload      []byte   `protobuf:"bytes,1,opt,name=payload,proto3,oneof" json:"payload,omitempty"`
-	ContentTopic *uint32  `protobuf:"varint,2,opt,name=contentTopic,proto3,oneof" json:"contentTopic,omitempty"`
-	Version      *uint32  `protobuf:"varint,3,opt,name=version,proto3,oneof" json:"version,omitempty"`
-	Proof        []byte   `protobuf:"bytes,4,opt,name=proof,proto3,oneof" json:"proof,omitempty"`
-	Timestamp    *float64 `protobuf:"fixed64,5,opt,name=timestamp,proto3,oneof" json:"timestamp,omitempty"`
+	Payload      []byte  `protobuf:"bytes,1,opt,name=payload,proto3" json:"payload,omitempty"`
+	ContentTopic uint32  `protobuf:"varint,2,opt,name=contentTopic,proto3" json:"contentTopic,omitempty"`
+	Version      uint32  `protobuf:"varint,3,opt,name=version,proto3" json:"version,omitempty"`
+	Proof        []byte  `protobuf:"bytes,4,opt,name=proof,proto3" json:"proof,omitempty"`
+	Timestamp    float64 `protobuf:"fixed64,5,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 }
 
 func (x *WakuMessage) Reset() {
@@ -77,15 +77,15 @@ func (x *WakuMessage) GetPayload() []byte {
 }
 
 func (x *WakuMessage) GetContentTopic() uint32 {
-	if x != nil && x.ContentTopic != nil {
-		return *x.ContentTopic
+	if x != nil {
+		return x.ContentTopic
 	}
 	return 0
 }
 
 func (x *WakuMessage) GetVersion() uint32 {
-	if x != nil && x.Version != nil {
-		return *x.Version
+	if x != nil {
+		return x.Version
 	}
 	return 0
 }
@@ -98,8 +98,8 @@ func (x *WakuMessage) GetProof() []byte {
 }
 
 func (x *WakuMessage) GetTimestamp() float64 {
-	if x != nil && x.Timestamp != nil {
-		return *x.Timestamp
+	if x != nil {
+		return x.Timestamp
 	}
 	return 0
 }
@@ -108,23 +108,18 @@ var File_waku_message_proto protoreflect.FileDescriptor
 
 var file_waku_message_proto_rawDesc = []byte{
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+	0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x18, 0x05, 0x20, 0x01, 0x28, 0x01, 0x52,
+	0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
 }
 
 var (
@@ -170,7 +165,6 @@ func file_waku_message_proto_init() {
 			}
 		}
 	}
-	file_waku_message_proto_msgTypes[0].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
diff --git a/waku/v2/protocol/waku_message.proto b/waku/v2/protocol/waku_message.proto
index 1e5b5ab5..c09e7401 100644
--- a/waku/v2/protocol/waku_message.proto
+++ b/waku/v2/protocol/waku_message.proto
@@ -3,9 +3,9 @@ syntax = "proto3";
 package protocol;
 
 message WakuMessage {
-    optional bytes payload = 1;
-    optional uint32 contentTopic = 2;
-    optional uint32 version = 3;
-    optional bytes proof = 4;
-    optional double timestamp = 5;
+    bytes payload = 1;
+    uint32 contentTopic = 2;
+    uint32 version = 3;
+    bytes proof = 4;
+    double timestamp = 5;
 }
\ No newline at end of file