diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs
index b2328b001de90..ac7f579ebb5aa 100644
--- a/library/core/src/num/mod.rs
+++ b/library/core/src/num/mod.rs
@@ -4,12 +4,14 @@
 
 use crate::ascii;
 use crate::convert::TryInto;
-use crate::error::Error;
 use crate::intrinsics;
 use crate::mem;
 use crate::ops::{Add, Mul, Sub};
 use crate::str::FromStr;
 
+#[cfg(not(no_fp_fmt_parse))]
+use crate::error::Error;
+
 // Used because the `?` operator is not allowed in a const context.
 macro_rules! try_opt {
     ($e:expr) => {