diff --git a/transport/http2_client.go b/transport/http2_client.go
index eac2ce99..03480b7e 100644
--- a/transport/http2_client.go
+++ b/transport/http2_client.go
@@ -298,7 +298,6 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea
 				t.hEnc.WriteField(hpack.HeaderField{Name: k, Value: entry})
 			}
 		}
-
 	}
 	first := true
 	// Sends the headers in a single batch even when they span multiple frames.
diff --git a/transport/http2_server.go b/transport/http2_server.go
index 006ddeae..79e2b200 100644
--- a/transport/http2_server.go
+++ b/transport/http2_server.go
@@ -444,7 +444,6 @@ func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
 			t.hEnc.WriteField(hpack.HeaderField{Name: k, Value: entry})
 		}
 	}
-
 	if err := t.writeHeaders(s, t.hBuf, false); err != nil {
 		return err
 	}
diff --git a/transport/http_util.go b/transport/http_util.go
index 6cc8d335..ef07924c 100644
--- a/transport/http_util.go
+++ b/transport/http_util.go
@@ -180,7 +180,7 @@ func newHPACKDecoder() *hpackDecoder {
 					grpclog.Printf("Failed to decode (%q, %q): %v", f.Name, f.Value, err)
 					return
 				}
-				d.state.mdata[k]= append(d.state.mdata[k],v)
+				d.state.mdata[k] = append(d.state.mdata[k], v)
 			}
 		}
 	})