diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.dart b/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.dart
index bacd1d4f..b29e309d 100644
--- a/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.dart
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.dart
@@ -42,13 +42,8 @@ class CreatePatchArtifactResponse {
   final String hash;
 
   /// The size of the artifact in bytes.
-  @JsonKey(fromJson: _parseStringToInt, toJson: _parseIntToString)
   final int size;
 
   /// The upload URL for the artifact.
   final String uploadUrl;
-
-  static int _parseStringToInt(dynamic value) => int.parse(value as String);
-
-  static String _parseIntToString(dynamic value) => value.toString();
 }
diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.g.dart b/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.g.dart
index ac9b4091..434e1652 100644
--- a/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.g.dart
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/create_patch_artifact/create_patch_artifact_response.g.dart
@@ -20,8 +20,7 @@ CreatePatchArtifactResponse _$CreatePatchArtifactResponseFromJson(
           arch: $checkedConvert('arch', (v) => v as String),
           platform: $checkedConvert('platform', (v) => v as String),
           hash: $checkedConvert('hash', (v) => v as String),
-          size: $checkedConvert(
-              'size', (v) => CreatePatchArtifactResponse._parseStringToInt(v)),
+          size: $checkedConvert('size', (v) => v as int),
           uploadUrl: $checkedConvert('upload_url', (v) => v as String),
         );
         return val;
@@ -37,6 +36,6 @@ Map<String, dynamic> _$CreatePatchArtifactResponseToJson(
       'arch': instance.arch,
       'platform': instance.platform,
       'hash': instance.hash,
-      'size': CreatePatchArtifactResponse._parseIntToString(instance.size),
+      'size': instance.size,
       'upload_url': instance.uploadUrl,
     };
diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.dart b/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.dart
index 25ff20c5..d9dc1c89 100644
--- a/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.dart
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.dart
@@ -42,13 +42,8 @@ class CreateReleaseArtifactResponse {
   final String hash;
 
   /// The size of the artifact in bytes.
-  @JsonKey(fromJson: _parseStringToInt, toJson: _parseIntToString)
   final int size;
 
   /// The upload URL for the artifact.
   final String uploadUrl;
-
-  static int _parseStringToInt(dynamic value) => int.parse(value as String);
-
-  static String _parseIntToString(dynamic value) => value.toString();
 }
diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.g.dart b/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.g.dart
index e6d3c85d..4dd994f8 100644
--- a/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.g.dart
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/create_release_artifact/create_release_artifact_response.g.dart
@@ -20,8 +20,7 @@ CreateReleaseArtifactResponse _$CreateReleaseArtifactResponseFromJson(
           arch: $checkedConvert('arch', (v) => v as String),
           platform: $checkedConvert('platform', (v) => v as String),
           hash: $checkedConvert('hash', (v) => v as String),
-          size: $checkedConvert('size',
-              (v) => CreateReleaseArtifactResponse._parseStringToInt(v)),
+          size: $checkedConvert('size', (v) => v as int),
           uploadUrl: $checkedConvert('upload_url', (v) => v as String),
         );
         return val;
@@ -37,6 +36,6 @@ Map<String, dynamic> _$CreateReleaseArtifactResponseToJson(
       'arch': instance.arch,
       'platform': instance.platform,
       'hash': instance.hash,
-      'size': CreateReleaseArtifactResponse._parseIntToString(instance.size),
+      'size': instance.size,
       'upload_url': instance.uploadUrl,
     };