diff --git a/typescript/examples/bag2mcap/typings/protobufjs.d.ts b/typescript/examples/bag2mcap/typings/protobufjs.d.ts
deleted file mode 100644
index 8c0445835e..0000000000
--- a/typescript/examples/bag2mcap/typings/protobufjs.d.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import protobufjs from "protobufjs";
-import descriptor from "protobufjs/ext/descriptor";
-
-// https://github.com/protobufjs/protobuf.js/issues/1499
-declare module "protobufjs" {
-  interface ReflectionObject {
-    toDescriptor(
-      protoVersion: string,
-    ): protobufjs.Message<descriptor.IFileDescriptorSet> & descriptor.IFileDescriptorSet;
-  }
-  declare namespace ReflectionObject {
-    export const fromDescriptor: (desc: protobufjs.Message) => protobufjs.Root;
-  }
-}
diff --git a/typescript/support/src/protobufDescriptors.ts b/typescript/support/src/protobufDescriptors.ts
index fb572a7a5b..be61301b80 100644
--- a/typescript/support/src/protobufDescriptors.ts
+++ b/typescript/support/src/protobufDescriptors.ts
@@ -1,8 +1,16 @@
-// eslint-disable-next-line @typescript-eslint/triple-slash-reference
-/// <reference path="../typings/protobufjs.d.ts" />
-
 import protobufjs from "protobufjs";
-import { FileDescriptorSet } from "protobufjs/ext/descriptor";
+import { FileDescriptorSet, IFileDescriptorSet } from "protobufjs/ext/descriptor";
+
+// https://github.com/protobufjs/protobuf.js/issues/1499
+declare module "protobufjs" {
+  interface ReflectionObject {
+    toDescriptor(protoVersion: string): protobufjs.Message<IFileDescriptorSet> & IFileDescriptorSet;
+  }
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace ReflectionObject {
+    const fromDescriptor: (desc: protobufjs.Message) => protobufjs.Root;
+  }
+}
 
 export type ProtobufDescriptor = ReturnType<protobufjs.Root["toDescriptor"]>;
 
diff --git a/typescript/support/typings/protobufjs.d.ts b/typescript/support/typings/protobufjs.d.ts
deleted file mode 100644
index 8c0445835e..0000000000
--- a/typescript/support/typings/protobufjs.d.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import protobufjs from "protobufjs";
-import descriptor from "protobufjs/ext/descriptor";
-
-// https://github.com/protobufjs/protobuf.js/issues/1499
-declare module "protobufjs" {
-  interface ReflectionObject {
-    toDescriptor(
-      protoVersion: string,
-    ): protobufjs.Message<descriptor.IFileDescriptorSet> & descriptor.IFileDescriptorSet;
-  }
-  declare namespace ReflectionObject {
-    export const fromDescriptor: (desc: protobufjs.Message) => protobufjs.Root;
-  }
-}