diff --git a/src/lib.rs b/src/lib.rs
index 1aa572a..4e2a72a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -176,8 +176,9 @@ mod tests_nostd;
 use crate::consts::*;
 #[cfg(feature = "std")]
 pub use crate::fmt::{Base, SizeFormatter, Style};
-use crate::sealed::AsIntermediate;
+#[cfg(feature = "std")]
 pub use crate::from_str::ParseSizeError;
+use crate::sealed::AsIntermediate;
 
 #[cfg(feature = "std")]
 type Intermediate = f64;