diff --git a/log/internal/writer_logger.go b/log/internal/writer_logger.go
index 6b619b8d4c8..e9453066950 100644
--- a/log/internal/writer_logger.go
+++ b/log/internal/writer_logger.go
@@ -59,8 +59,6 @@ func (l *writerLogger) appendValue(v log.Value) {
 		l.write(v.String())
 	case log.KindInt64:
 		l.write(strconv.FormatInt(v.Int64(), 10)) // strconv.FormatInt allocates memory.
-	case log.KindUint64:
-		l.write(strconv.FormatInt(int64(v.Uint64()), 10)) // strconv.FormatInt allocates memory.
 	case log.KindFloat64:
 		l.write(strconv.FormatFloat(v.Float64(), 'g', -1, 64)) // strconv.FormatFloat allocates memory.
 	case log.KindBool:
diff --git a/log/value.go b/log/value.go
index 24969eef81e..62a5c6ab51e 100644
--- a/log/value.go
+++ b/log/value.go
@@ -19,7 +19,7 @@ import (
 // The zero Value corresponds to nil.
 type Value struct {
 	_ [0]func() // disallow ==
-	// num holds the value for Kinds: Int64, Uint64, Float64, and Bool,
+	// num holds the value for Kinds: Int64, Float64, and Bool,
 	// the length for String, Bytes, Group.
 	num uint64
 	// If any is of type Kind, then the value is in num as described above.
@@ -43,7 +43,6 @@ const (
 	KindFloat64
 	KindInt64
 	KindString
-	KindUint64
 	KindBytes
 	KindGroup
 )
@@ -54,7 +53,6 @@ var kindStrings = []string{
 	"Float64",
 	"Int64",
 	"String",
-	"Uint64",
 	"Bytes",
 	"Group",
 }
@@ -99,11 +97,6 @@ func Int64Value(v int64) Value {
 	return Value{num: uint64(v), any: KindInt64}
 }
 
-// Uint64Value returns a [Value] for a uint64.
-func Uint64Value(v uint64) Value {
-	return Value{num: v, any: KindUint64}
-}
-
 // Float64Value returns a [Value] for a floating-point number.
 func Float64Value(v float64) Value {
 	return Value{num: math.Float64bits(v), any: KindFloat64}
@@ -160,8 +153,6 @@ func (v Value) Any() any {
 		return v.group()
 	case KindInt64:
 		return int64(v.num)
-	case KindUint64:
-		return v.num
 	case KindFloat64:
 		return v.float()
 	case KindString:
@@ -201,15 +192,6 @@ func (v Value) Int64() int64 {
 	return int64(v.num)
 }
 
-// Uint64 returns v's value as a uint64. It panics
-// if v is not an unsigned integer.
-func (v Value) Uint64() uint64 {
-	if g, w := v.Kind(), KindUint64; g != w {
-		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
-	}
-	return v.num
-}
-
 // Bool returns v's value as a bool. It panics
 // if v is not a bool.
 func (v Value) Bool() bool {
@@ -276,7 +258,7 @@ func (v Value) Equal(w Value) bool {
 		return false
 	}
 	switch k1 {
-	case KindInt64, KindUint64, KindBool:
+	case KindInt64, KindBool:
 		return v.num == w.num
 	case KindString:
 		return v.str() == w.str()
@@ -312,8 +294,6 @@ func (v Value) append(dst []byte) []byte {
 		return append(dst, v.str()...)
 	case KindInt64:
 		return strconv.AppendInt(dst, int64(v.num), 10)
-	case KindUint64:
-		return strconv.AppendUint(dst, v.num, 10)
 	case KindFloat64:
 		return strconv.AppendFloat(dst, v.float(), 'g', -1, 64)
 	case KindBool:
@@ -351,11 +331,6 @@ func Int(key string, value int) KeyValue {
 	return Int64(key, int64(value))
 }
 
-// Uint64 returns an KeyValue for a uint64.
-func Uint64(key string, v uint64) KeyValue {
-	return KeyValue{key, Uint64Value(v)}
-}
-
 // Float64 returns an KeyValue for a floating-point number.
 func Float64(key string, v float64) KeyValue {
 	return KeyValue{key, Float64Value(v)}
diff --git a/log/value_test.go b/log/value_test.go
index 68b3ea09543..512e89d5d06 100644
--- a/log/value_test.go
+++ b/log/value_test.go
@@ -50,7 +50,6 @@ func TestValueString(t *testing.T) {
 		want string
 	}{
 		{Int64Value(-3), "-3"},
-		{Uint64Value(1), "1"},
 		{Float64Value(.15), "0.15"},
 		{BoolValue(true), "true"},
 		{StringValue("foo"), "foo"},
@@ -67,7 +66,6 @@ func TestValueNoAlloc(t *testing.T) {
 	// Assign values just to make sure the compiler doesn't optimize away the statements.
 	var (
 		i  int64
-		u  uint64
 		f  float64
 		b  bool
 		by []byte
@@ -76,7 +74,6 @@ func TestValueNoAlloc(t *testing.T) {
 	bytes := []byte{1, 3, 4}
 	a := int(testing.AllocsPerRun(5, func() {
 		i = Int64Value(1).Int64()
-		u = Uint64Value(1).Uint64()
 		f = Float64Value(1).Float64()
 		b = BoolValue(true).Bool()
 		by = BytesValue(bytes).Bytes()
@@ -84,7 +81,6 @@ func TestValueNoAlloc(t *testing.T) {
 	}))
 	assert.Zero(t, a)
 	_ = i
-	_ = u
 	_ = f
 	_ = b
 	_ = by
@@ -95,7 +91,6 @@ func TestKeyValueNoAlloc(t *testing.T) {
 	// Assign values just to make sure the compiler doesn't optimize away the statements.
 	var (
 		i  int64
-		u  uint64
 		f  float64
 		b  bool
 		by []byte
@@ -104,7 +99,6 @@ func TestKeyValueNoAlloc(t *testing.T) {
 	bytes := []byte{1, 3, 4}
 	a := int(testing.AllocsPerRun(5, func() {
 		i = Int64("key", 1).Value.Int64()
-		u = Uint64("key", 1).Value.Uint64()
 		f = Float64("key", 1).Value.Float64()
 		b = Bool("key", true).Value.Bool()
 		by = Bytes("key", bytes).Value.Bytes()
@@ -112,7 +106,6 @@ func TestKeyValueNoAlloc(t *testing.T) {
 	}))
 	assert.Zero(t, a)
 	_ = i
-	_ = u
 	_ = f
 	_ = b
 	_ = by
@@ -127,7 +120,6 @@ func TestValueAny(t *testing.T) {
 		{"s", StringValue("s")},
 		{true, BoolValue(true)},
 		{int64(4), IntValue(4)},
-		{uint64(2), Uint64Value(2)},
 		{int64(11), Int64Value(11)},
 		{1.5, Float64Value(1.5)},
 		{[]byte{1, 2, 3}, BytesValue([]byte{1, 2, 3})},