diff --git a/lib/go/thrift/logger.go b/lib/go/thrift/logger.go
index c42aac9..4a0affe 100644
--- a/lib/go/thrift/logger.go
+++ b/lib/go/thrift/logger.go
@@ -35,14 +35,23 @@
 //
 // See https://issues.apache.org/jira/browse/THRIFT-4985 for the design
 // discussion behind it.
+//
+// Deprecated: This is no longer used by any thrift go library code,
+// will be removed in the future version.
 type Logger func(msg string)
 
 // NopLogger is a Logger implementation that does nothing.
+//
+// Deprecated: This is no longer used by any thrift go library code,
+// will be removed in the future version.
 func NopLogger(msg string) {}
 
 // StdLogger wraps stdlib log package into a Logger.
 //
 // If logger passed in is nil, it will fallback to use stderr and default flags.
+//
+// Deprecated: This is no longer used by any thrift go library code,
+// will be removed in the future version.
 func StdLogger(logger *log.Logger) Logger {
 	if logger == nil {
 		logger = log.New(os.Stderr, "", log.LstdFlags)
@@ -55,6 +64,9 @@
 // TestLogger is a Logger implementation can be used in test codes.
 //
 // It fails the test when being called.
+//
+// Deprecated: This is no longer used by any thrift go library code,
+// will be removed in the future version.
 func TestLogger(tb testing.TB) Logger {
 	return func(msg string) {
 		tb.Errorf("logger called with msg: %q", msg)