diff --git a/src/datetime/mod.rs b/src/datetime/mod.rs
index 1834c1cc6b..6715dfc843 100644
--- a/src/datetime/mod.rs
+++ b/src/datetime/mod.rs
@@ -3,7 +3,7 @@
 
 //! ISO 8601 date and time with time zone.
 
-#[cfg(all(not(feature = "std"), feature = "alloc"))]
+#[cfg(all(feature = "alloc", not(feature = "std"), not(test)))]
 use alloc::string::String;
 use core::borrow::Borrow;
 use core::cmp::Ordering;
diff --git a/src/format/formatting.rs b/src/format/formatting.rs
index f3448f94fe..35c253fff1 100644
--- a/src/format/formatting.rs
+++ b/src/format/formatting.rs
@@ -3,7 +3,7 @@
 
 //! Date and time formatting routines.
 
-#[cfg(all(not(feature = "std"), feature = "alloc"))]
+#[cfg(all(feature = "alloc", not(feature = "std"), not(test)))]
 use alloc::string::{String, ToString};
 #[cfg(feature = "alloc")]
 use core::borrow::Borrow;
@@ -20,8 +20,6 @@ use crate::{NaiveDate, NaiveTime, Weekday};
 
 #[cfg(feature = "alloc")]
 use super::locales;
-#[cfg(all(feature = "unstable-locales", feature = "alloc"))]
-use super::Locale;
 #[cfg(any(feature = "alloc", feature = "serde", feature = "rustc-serialize"))]
 use super::{Colons, OffsetFormat, OffsetPrecision, Pad};
 #[cfg(feature = "alloc")]
diff --git a/src/format/mod.rs b/src/format/mod.rs
index 75bc02ee31..c2401a7fc1 100644
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@@ -30,7 +30,7 @@
 //! # Ok::<(), chrono::ParseError>(())
 //! ```
 
-#[cfg(all(not(feature = "std"), feature = "alloc"))]
+#[cfg(all(feature = "alloc", not(feature = "std"), not(test)))]
 use alloc::boxed::Box;
 use core::fmt;
 use core::str::FromStr;
diff --git a/src/format/strftime.rs b/src/format/strftime.rs
index 26fa391201..997faa66c7 100644
--- a/src/format/strftime.rs
+++ b/src/format/strftime.rs
@@ -165,7 +165,7 @@ use super::{locales, Locale};
 use super::{Fixed, InternalInternal, Item, Numeric, Pad};
 #[cfg(any(feature = "alloc", feature = "std"))]
 use super::{ParseError, BAD_FORMAT};
-#[cfg(feature = "alloc")]
+#[cfg(all(feature = "alloc", not(feature = "std"), not(test)))]
 use alloc::vec::Vec;
 
 /// Parsing iterator for `strftime`-like format strings.
diff --git a/src/round.rs b/src/round.rs
index d9b1b9bc0e..8a76cb3ddb 100644
--- a/src/round.rs
+++ b/src/round.rs
@@ -6,7 +6,6 @@
 use crate::{DateTime, NaiveDateTime, TimeDelta, TimeZone, Timelike};
 use core::cmp::Ordering;
 use core::fmt;
-use core::marker::Sized;
 use core::ops::{Add, Sub};
 
 /// Extension trait for subsecond rounding or truncation to a maximum number