diff --git a/api/go1.16.txt b/api/go1.16.txt
index 8f9ca55ccd..11400965d1 100644
--- a/api/go1.16.txt
+++ b/api/go1.16.txt
@@ -500,6 +500,7 @@ pkg unicode, var Dives_Akuru *RangeTable
 pkg unicode, var Khitan_Small_Script *RangeTable
 pkg unicode, var Yezidi *RangeTable
 # all deprecations up to and including Go 1.16
+pkg archive/tar, const TypeRegA //deprecated
 pkg archive/tar, type Header struct, Xattrs //deprecated
 pkg archive/zip, method (*File) ModTime //deprecated
 pkg archive/zip, method (*File) SetModTime //deprecated
diff --git a/src/archive/tar/common.go b/src/archive/tar/common.go
index 0d5a942024..38216ac13f 100644
--- a/src/archive/tar/common.go
+++ b/src/archive/tar/common.go
@@ -59,8 +59,10 @@ func (he headerError) Error() string {
 // Type flags for Header.Typeflag.
 const (
 	// Type '0' indicates a regular file.
-	TypeReg  = '0'
-	TypeRegA = '\x00' // Deprecated: Use TypeReg instead.
+	TypeReg = '0'
+
+	// Deprecated: Use TypeReg instead.
+	TypeRegA = '\x00'
 
 	// Type '1' to '6' are header-only flags and may not have a data body.
 	TypeLink    = '1' // Hard link