diff --git a/packages/grpc-js/src/channel.ts b/packages/grpc-js/src/channel.ts
index 6e7d2cd1..68ba66e9 100644
--- a/packages/grpc-js/src/channel.ts
+++ b/packages/grpc-js/src/channel.ts
@@ -329,8 +329,8 @@ export class Http2Channel extends EventEmitter implements Channel {
     stream: Http2CallStream,
     metadata: Metadata
   ) {
-    const connectMetadata: Promise<Metadata> = this.connect().then(
-      () => metadata.clone()
+    const connectMetadata: Promise<Metadata> = this.connect().then(() =>
+      metadata.clone()
     );
     const finalMetadata: Promise<Metadata> = stream.filterStack.sendMetadata(
       connectMetadata
diff --git a/packages/grpc-js/src/stream-decoder.ts b/packages/grpc-js/src/stream-decoder.ts
index 78803026..671ad41a 100644
--- a/packages/grpc-js/src/stream-decoder.ts
+++ b/packages/grpc-js/src/stream-decoder.ts
@@ -33,7 +33,7 @@ export class StreamDecoder {
   write(data: Buffer): Buffer[] {
     let readHead = 0;
     let toRead: number;
-    let result: Buffer[] = [];
+    const result: Buffer[] = [];
 
     while (readHead < data.length) {
       switch (this.readState) {