diff --git a/src/go/types/check_test.go b/src/go/types/check_test.go
index 9c71277264b..6c3b630a1b6 100644
--- a/src/go/types/check_test.go
+++ b/src/go/types/check_test.go
@@ -330,6 +330,14 @@ func TestIndexRepresentability(t *testing.T) {
 	checkFiles(t, &StdSizes{4, 4}, "", []string{"index.go"}, [][]byte{[]byte(src)}, false)
 }
 
+func TestIssue46453(t *testing.T) {
+	if typeparams.Enabled {
+		t.Skip("type params are enabled")
+	}
+	const src = "package p\ntype _ comparable // ERROR \"undeclared name: comparable\""
+	checkFiles(t, nil, "", []string{"issue46453.go"}, [][]byte{[]byte(src)}, false)
+}
+
 func TestCheck(t *testing.T)     { DefPredeclaredTestFuncs(); testDir(t, "check") }
 func TestExamples(t *testing.T)  { testDir(t, "examples") }
 func TestFixedbugs(t *testing.T) { testDir(t, "fixedbugs") }
diff --git a/src/go/types/universe.go b/src/go/types/universe.go
index 7c211fa6f7e..d7feb2c609e 100644
--- a/src/go/types/universe.go
+++ b/src/go/types/universe.go
@@ -8,6 +8,7 @@ package types
 
 import (
 	"go/constant"
+	"go/internal/typeparams"
 	"go/token"
 	"strings"
 )
@@ -237,7 +238,9 @@ func init() {
 	defPredeclaredConsts()
 	defPredeclaredNil()
 	defPredeclaredFuncs()
-	defPredeclaredComparable()
+	if typeparams.Enabled {
+		defPredeclaredComparable()
+	}
 
 	universeIota = Universe.Lookup("iota").(*Const)
 	universeByte = Universe.Lookup("byte").(*TypeName).typ.(*Basic)