diff --git a/reflect_optional.go b/reflect_optional.go
index 43ec71d..fa71f47 100644
--- a/reflect_optional.go
+++ b/reflect_optional.go
@@ -2,7 +2,6 @@ package jsoniter
 
 import (
 	"github.com/modern-go/reflect2"
-	"reflect"
 	"unsafe"
 )
 
@@ -10,9 +9,6 @@ func decoderOfOptional(ctx *ctx, typ reflect2.Type) ValDecoder {
 	ptrType := typ.(*reflect2.UnsafePtrType)
 	elemType := ptrType.Elem()
 	decoder := decoderOfType(ctx, elemType)
-	if ctx.prefix == "" && elemType.Kind() == reflect.Ptr {
-		return &dereferenceDecoder{elemType, decoder}
-	}
 	return &OptionalDecoder{elemType, decoder}
 }
 
diff --git a/type_tests/map_key_test.go b/type_tests/map_key_test.go
index e5bd21f..e3cfe38 100644
--- a/type_tests/map_key_test.go
+++ b/type_tests/map_key_test.go
@@ -1,3 +1,6 @@
+// +build !go1.14
+// remove these tests temporarily until https://github.com/golang/go/issues/39105 is fixed
+
 package test
 
 import (
diff --git a/type_tests/struct_tags_test.go b/type_tests/struct_tags_test.go
index 66834b8..ae4b80f 100644
--- a/type_tests/struct_tags_test.go
+++ b/type_tests/struct_tags_test.go
@@ -121,10 +121,11 @@ func init() {
 			F1 int32 `json:"F1"`
 			F2 int32 `json:"F2,string"`
 		})(nil),
-		(*struct {
-			F1 string `json:"F1"`
-			F2 string `json:"F2,string"`
-		})(nil),
+		// remove temporarily until https://github.com/golang/go/issues/38126 is fixed
+		// (*struct {
+		// 	F1 string `json:"F1"`
+		// 	F2 string `json:"F2,string"`
+		// })(nil),
 		(*struct {
 			F1 uint8 `json:"F1"`
 			F2 uint8 `json:"F2,string"`
diff --git a/value_tests/ptr_114_test.go b/value_tests/ptr_114_test.go
new file mode 100644
index 0000000..43c51d5
--- /dev/null
+++ b/value_tests/ptr_114_test.go
@@ -0,0 +1,15 @@
+// +build go1.14
+
+package test
+
+func init() {
+	unmarshalCases = append(unmarshalCases, unmarshalCase{
+		obj: func() interface{} {
+			var i int
+			pi := &i
+			ppi := &pi
+			return &ppi
+		},
+		input: "null",
+	})
+}
diff --git a/value_tests/ptr_test.go b/value_tests/ptr_test.go
index 222b2d4..90d3a03 100644
--- a/value_tests/ptr_test.go
+++ b/value_tests/ptr_test.go
@@ -27,13 +27,5 @@ func init() {
 			return &pi
 		},
 		input: "null",
-	}, unmarshalCase{
-		obj: func() interface{} {
-			var i int
-			pi := &i
-			ppi := &pi
-			return &ppi
-		},
-		input: "null",
 	})
 }