diff --git a/crates/nu-protocol/src/value/into_value.rs b/crates/nu-protocol/src/value/into_value.rs
index 5d1c170452..35994473c6 100644
--- a/crates/nu-protocol/src/value/into_value.rs
+++ b/crates/nu-protocol/src/value/into_value.rs
@@ -69,8 +69,7 @@ primitive_into_value!(isize as i64, int);
 primitive_into_value!(u8 as i64, int);
 primitive_into_value!(u16 as i64, int);
 primitive_into_value!(u32 as i64, int);
-primitive_into_value!(u64 as i64, int);
-primitive_into_value!(usize as i64, int);
+// u64 and usize may be truncated as Value only supports i64.
 
 impl IntoValue for () {
     fn into_value(self, span: Span) -> Value {