diff --git a/embassy-stm32/src/rtc/datetime.rs b/embassy-stm32/src/rtc/datetime.rs
index 5be68b89..6274c1e0 100644
--- a/embassy-stm32/src/rtc/datetime.rs
+++ b/embassy-stm32/src/rtc/datetime.rs
@@ -1,3 +1,4 @@
+#[cfg(feature = "chrono")]
 use core::convert::From;
 
 #[cfg(feature = "chrono")]