diff --git a/service/rpc1/doc.go b/service/rpc1/doc.go
new file mode 100644
index 0000000000..463384bb4d
--- /dev/null
+++ b/service/rpc1/doc.go
@@ -0,0 +1,5 @@
+// Package rpc1 implements version 1 of Delve's API and is only
+// kept for backwards compatibility.
+// client.go is the old client code used by Delve's frontend (delve/cmd/dlv) and
+// is preserved for backwards compatibility with integration tests.
+package rpc1
diff --git a/service/rpc1/readme.txt b/service/rpc1/readme.txt
deleted file mode 100644
index c25192d896..0000000000
--- a/service/rpc1/readme.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-This package implements version 1 of Delve's API and is only
-kept here for backwards compatibility. Client.go is the old
-client code used by Delve's frontend (delve/cmd/dlv), it is
-only preserved here for the backwards compatibility tests in
-service/test/integration1_test.go.