4 files changed, 10 insertions, 10 deletions
diff --git a/src/encoding/json/internal/jsonopts/options.go b/src/encoding/json/internal/jsonopts/options.go
index e4c3f47d36..39da81b345 100644
--- a/src/encoding/json/internal/jsonopts/options.go
+++ b/src/encoding/json/internal/jsonopts/options.go
@@ -48,16 +48,16 @@ type ArshalValues struct {
 // DefaultOptionsV2 is the set of all options that define default v2 behavior.
 var DefaultOptionsV2 = Struct{
 	Flags: jsonflags.Flags{
-		Presence: uint64(jsonflags.AllFlags & ^jsonflags.WhitespaceFlags),
-		Values:   uint64(0),
+		Presence: uint64(jsonflags.DefaultV1Flags),
+		Values:   uint64(0), // all flags in DefaultV1Flags are false
 	},
 }
 
 // DefaultOptionsV1 is the set of all options that define default v1 behavior.
 var DefaultOptionsV1 = Struct{
 	Flags: jsonflags.Flags{
-		Presence: uint64(jsonflags.AllFlags & ^jsonflags.WhitespaceFlags),
-		Values:   uint64(jsonflags.DefaultV1Flags),
+		Presence: uint64(jsonflags.DefaultV1Flags),
+		Values:   uint64(jsonflags.DefaultV1Flags), // all flags in DefaultV1Flags are true
 	},
 }
 
diff --git a/src/encoding/json/internal/jsonopts/options_test.go b/src/encoding/json/internal/jsonopts/options_test.go
index ebfaf05c83..caa686e4f0 100644
--- a/src/encoding/json/internal/jsonopts/options_test.go
+++ b/src/encoding/json/internal/jsonopts/options_test.go
@@ -200,6 +200,9 @@ func TestGet(t *testing.T) {
 	if v, ok := json.GetOption(opts, json.WithUnmarshalers); v != nil || ok {
 		t.Errorf(`GetOption(..., WithUnmarshalers) = (%v, %v), want (nil, false)`, v, ok)
 	}
+	if v, ok := json.GetOption(json.DefaultOptionsV2(), json.WithMarshalers); v != nil || ok {
+		t.Errorf(`GetOption(..., WithMarshalers) = (%v, %v), want (nil, false)`, v, ok)
+	}
 }
 
 var sink struct {
diff --git a/src/encoding/json/v2/options.go b/src/encoding/json/v2/options.go
index 0942d2d307..9685f20f9f 100644
--- a/src/encoding/json/v2/options.go
+++ b/src/encoding/json/v2/options.go
@@ -97,9 +97,8 @@ func GetOption[T any](opts Options, setter func(T) Options) (T, bool) {
 }
 
 // DefaultOptionsV2 is the full set of all options that define v2 semantics.
-// It is equivalent to all options under [Options], [encoding/json.Options],
-// and [encoding/json/jsontext.Options] being set to false or the zero value,
-// except for the options related to whitespace formatting.
+// It is equivalent to the set of options in [encoding/json.DefaultOptionsV1]
+// all being set to false. All other options are not present.
 func DefaultOptionsV2() Options {
 	return &jsonopts.DefaultOptionsV2
 }
diff --git a/src/encoding/json/v2_options.go b/src/encoding/json/v2_options.go
index 819fe59f41..2bdec86fde 100644
--- a/src/encoding/json/v2_options.go
+++ b/src/encoding/json/v2_options.go
@@ -227,9 +227,7 @@ type Options = jsonopts.Options
 //   - [jsontext.EscapeForJS]
 //   - [jsontext.PreserveRawStrings]
 //
-// All other boolean options are set to false.
-// All non-boolean options are set to the zero value,
-// except for [jsontext.WithIndent], which defaults to "\t".
+// All other options are not present.
 //
 // The [Marshal] and [Unmarshal] functions in this package are
 // semantically identical to calling the v2 equivalents with this option: