diff --git a/walletrpc/compact_formats.proto b/walletrpc/compact_formats.proto
index 7e1bc54..e20c05a 100644
--- a/walletrpc/compact_formats.proto
+++ b/walletrpc/compact_formats.proto
@@ -1,7 +1,7 @@
 syntax = "proto3";
 package cash.z.wallet.sdk.rpc;
 option go_package = "walletrpc";
-
+option swift_prefix = "";
 // Remember that proto3 fields are all optional. A field that is not present will be set to its zero value.
 // bytes fields of hashes are in canonical little-endian format.
 
diff --git a/walletrpc/service.proto b/walletrpc/service.proto
index 2ae46d2..d4c5135 100644
--- a/walletrpc/service.proto
+++ b/walletrpc/service.proto
@@ -1,7 +1,7 @@
 syntax = "proto3";
 package cash.z.wallet.sdk.rpc;
 option go_package = "walletrpc";
-
+option swift_prefix = "";
 import "compact_formats.proto";
 
 // A BlockID message contains identifiers to select a block: a height or a