Inline and replace `Statement::replace_nop`.

It has a single call site, and doesn't seem worth having as an API
function.

2 files changed, 1 insertions, 10 deletions

diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
index 582941e7e04..74ecff72082 100644
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -4,8 +4,8 @@
 
 use std::borrow::Cow;
 use std::fmt::{self, Debug, Formatter};
+use std::iter;
 use std::ops::{Index, IndexMut};
-use std::{iter, mem};
 
 pub use basic_blocks::BasicBlocks;
 use either::Either;
diff --git a/compiler/rustc_middle/src/mir/statement.rs b/compiler/rustc_middle/src/mir/statement.rs
index d345c99f902..690a907f9a3 100644
--- a/compiler/rustc_middle/src/mir/statement.rs
+++ b/compiler/rustc_middle/src/mir/statement.rs
@@ -19,15 +19,6 @@ impl Statement<'_> {
     pub fn make_nop(&mut self) {
         self.kind = StatementKind::Nop
     }
-
-    /// Changes a statement to a nop and returns the original statement.
-    #[must_use = "If you don't need the statement, use `make_nop` instead"]
-    pub fn replace_nop(&mut self) -> Self {
-        Statement {
-            source_info: self.source_info,
-            kind: mem::replace(&mut self.kind, StatementKind::Nop),
-        }
-    }
 }
 
 impl<'tcx> StatementKind<'tcx> {