diff --git a/internal/jsonrpc2/serve_go116.go b/internal/jsonrpc2/serve_go116.go
index 595e525..9158bc5 100644
--- a/internal/jsonrpc2/serve_go116.go
+++ b/internal/jsonrpc2/serve_go116.go
@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build go1.16
-// +build go1.16
 
 package jsonrpc2
 
diff --git a/internal/jsonrpc2/serve_pre116.go b/internal/jsonrpc2/serve_pre116.go
index 584b9d8..f623aea 100644
--- a/internal/jsonrpc2/serve_pre116.go
+++ b/internal/jsonrpc2/serve_pre116.go
@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !go1.16
-// +build !go1.16
 
 package jsonrpc2