diff --git a/shared/signal/proto/signalexchange.pb.go b/shared/signal/proto/signalexchange.pb.go
index 6be79f1d2..8e07977f0 100644
--- a/shared/signal/proto/signalexchange.pb.go
+++ b/shared/signal/proto/signalexchange.pb.go
@@ -239,9 +239,6 @@ type Body struct {
 	// fallback dial target when DNS resolution of relayServerAddress fails.
 	// SNI/TLS verification still uses relayServerAddress.
 	RelayServerIP []byte `protobuf:"bytes,11,opt,name=relayServerIP,proto3,oneof" json:"relayServerIP,omitempty"`
-	// filedropPort is the sender's file drop listen port when it differs from
-	// the well-known default; 0 (absent) means the default port.
-	FiledropPort uint32 `protobuf:"varint,12,opt,name=filedropPort,proto3" json:"filedropPort,omitempty"`
 }
 
 func (x *Body) Reset() {
@@ -346,13 +343,6 @@ func (x *Body) GetRelayServerIP() []byte {
 	return nil
 }
 
-func (x *Body) GetFiledropPort() uint32 {
-	if x != nil {
-		return x.FiledropPort
-	}
-	return 0
-}
-
 // Mode indicates a connection mode
 type Mode struct {
 	state         protoimpl.MessageState
@@ -476,7 +466,7 @@ var file_signalexchange_proto_rawDesc = []byte{
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@@ -504,41 +494,39 @@ var file_signalexchange_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/shared/signal/proto/signalexchange.proto b/shared/signal/proto/signalexchange.proto
index 8a865a073..8c304e37c 100644
--- a/shared/signal/proto/signalexchange.proto
+++ b/shared/signal/proto/signalexchange.proto
@@ -75,10 +75,6 @@ message Body {
   // fallback dial target when DNS resolution of relayServerAddress fails.
   // SNI/TLS verification still uses relayServerAddress.
   optional bytes relayServerIP = 11;
-
-  // filedropPort is the sender's file drop listen port when it differs from
-  // the well-known default; 0 (absent) means the default port.
-  uint32 filedropPort = 12;
 }
 
 // Mode indicates a connection mode