10 files changed, 0 insertions, 11 deletions
diff --git a/compiler/rustc_middle/src/mir/coverage.rs b/compiler/rustc_middle/src/mir/coverage.rs
index efa9464529e..0b55757eb03 100644
--- a/compiler/rustc_middle/src/mir/coverage.rs
+++ b/compiler/rustc_middle/src/mir/coverage.rs
@@ -3,7 +3,6 @@
 use rustc_macros::HashStable;
 use rustc_span::Symbol;
 
-use std::cmp::Ord;
 use std::fmt::{self, Debug, Formatter};
 
 rustc_index::newtype_index! {
diff --git a/compiler/rustc_middle/src/mir/interpret/mod.rs b/compiler/rustc_middle/src/mir/interpret/mod.rs
index d79cd8b7a8a..8fe349d9640 100644
--- a/compiler/rustc_middle/src/mir/interpret/mod.rs
+++ b/compiler/rustc_middle/src/mir/interpret/mod.rs
@@ -95,7 +95,6 @@ mod pointer;
 mod queries;
 mod value;
 
-use std::convert::TryFrom;
 use std::fmt;
 use std::io;
 use std::io::{Read, Write};
diff --git a/compiler/rustc_middle/src/mir/interpret/pointer.rs b/compiler/rustc_middle/src/mir/interpret/pointer.rs
index 9c270ba1ec1..b0830991076 100644
--- a/compiler/rustc_middle/src/mir/interpret/pointer.rs
+++ b/compiler/rustc_middle/src/mir/interpret/pointer.rs
@@ -3,7 +3,6 @@ use super::{AllocId, InterpResult};
 use rustc_macros::HashStable;
 use rustc_target::abi::{HasDataLayout, Size};
 
-use std::convert::{TryFrom, TryInto};
 use std::fmt;
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs
index e6636e50e6e..88fb14eb359 100644
--- a/compiler/rustc_middle/src/mir/interpret/value.rs
+++ b/compiler/rustc_middle/src/mir/interpret/value.rs
@@ -1,4 +1,3 @@
-use std::convert::{TryFrom, TryInto};
 use std::fmt;
 
 use either::{Either, Left, Right};
diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
index a513444e1e0..db4fe6f886b 100644
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -36,7 +36,6 @@ use rustc_span::{Span, DUMMY_SP};
 use either::Either;
 
 use std::borrow::Cow;
-use std::convert::TryInto;
 use std::fmt::{self, Debug, Display, Formatter, Write};
 use std::ops::{ControlFlow, Index, IndexMut};
 use std::{iter, mem};
diff --git a/compiler/rustc_middle/src/traits/query.rs b/compiler/rustc_middle/src/traits/query.rs
index fb152b63f63..d40d7de5f31 100644
--- a/compiler/rustc_middle/src/traits/query.rs
+++ b/compiler/rustc_middle/src/traits/query.rs
@@ -12,7 +12,6 @@ use crate::ty::subst::{GenericArg, SubstsRef};
 use crate::ty::{self, Ty, TyCtxt};
 use rustc_hir::def_id::DefId;
 use rustc_span::source_map::Span;
-use std::iter::FromIterator;
 
 pub mod type_op {
     use crate::ty::fold::TypeFoldable;
diff --git a/compiler/rustc_middle/src/ty/consts/int.rs b/compiler/rustc_middle/src/ty/consts/int.rs
index f3186e1c30c..2a8a4d59888 100644
--- a/compiler/rustc_middle/src/ty/consts/int.rs
+++ b/compiler/rustc_middle/src/ty/consts/int.rs
@@ -2,7 +2,6 @@ use rustc_apfloat::ieee::{Double, Single};
 use rustc_apfloat::Float;
 use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
 use rustc_target::abi::Size;
-use std::convert::{TryFrom, TryInto};
 use std::fmt;
 use std::num::NonZeroU8;
 
diff --git a/compiler/rustc_middle/src/ty/consts/kind.rs b/compiler/rustc_middle/src/ty/consts/kind.rs
index becc2b805dd..d9721863a58 100644
--- a/compiler/rustc_middle/src/ty/consts/kind.rs
+++ b/compiler/rustc_middle/src/ty/consts/kind.rs
@@ -1,5 +1,3 @@
-use std::convert::TryInto;
-
 use super::Const;
 use crate::mir;
 use crate::mir::interpret::{AllocId, ConstValue, Scalar};
diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs
index 5303341ba44..01e96fa5c7a 100644
--- a/compiler/rustc_middle/src/ty/print/pretty.rs
+++ b/compiler/rustc_middle/src/ty/print/pretty.rs
@@ -23,7 +23,6 @@ use smallvec::SmallVec;
 use std::cell::Cell;
 use std::char;
 use std::collections::BTreeMap;
-use std::convert::TryFrom;
 use std::fmt::{self, Write as _};
 use std::iter;
 use std::ops::{ControlFlow, Deref, DerefMut};
diff --git a/compiler/rustc_middle/src/ty/vtable.rs b/compiler/rustc_middle/src/ty/vtable.rs
index 6eae94511e4..802925dfb04 100644
--- a/compiler/rustc_middle/src/ty/vtable.rs
+++ b/compiler/rustc_middle/src/ty/vtable.rs
@@ -1,4 +1,3 @@
-use std::convert::TryFrom;
 use std::fmt;
 
 use crate::mir::interpret::{alloc_range, AllocId, Allocation, Pointer, Scalar};