diff --git a/src/number.rs b/src/number.rs
index b3ae205..97a1745 100644
--- a/src/number.rs
+++ b/src/number.rs
@@ -1,7 +1,6 @@
 use crate::de::ParserNumber;
 use crate::error::Error;
 use crate::lib::*;
-use ordered_float::NotNan;
 use serde::de::{self, Unexpected, Visitor};
 use serde::{
     forward_to_deserialize_any, serde_if_integer128, Deserialize, Deserializer, Serialize,
@@ -13,6 +12,9 @@ use crate::error::ErrorCode;
 #[cfg(feature = "arbitrary_precision")]
 use serde::de::{IntoDeserializer, MapAccess};
 
+#[cfg(not(feature = "arbitrary_precision"))]
+use ordered_float::NotNan;
+
 #[cfg(feature = "arbitrary_precision")]
 pub(crate) const TOKEN: &str = "$serde_json::private::Number";