remove redundant imports

detects redundant imports that can be eliminated.

for #117772 :

In order to facilitate review and modification, split the checking code and
removing redundant imports code into two PR.

2 files changed, 3 insertions, 7 deletions

diff --git a/compiler/rustc_errors/src/json/tests.rs b/compiler/rustc_errors/src/json/tests.rs
index 1f9a2981e02..5f9e821a48c 100644
--- a/compiler/rustc_errors/src/json/tests.rs
+++ b/compiler/rustc_errors/src/json/tests.rs
@@ -1,11 +1,8 @@
 use super::*;
 
-use crate::json::JsonEmitter;
-use rustc_span::source_map::{FilePathMapping, SourceMap};
-
-use crate::emitter::{ColorConfig, HumanReadableErrorType};
-use crate::{Handler, TerminalUrl};
-use rustc_span::{BytePos, Span};
+use crate::emitter::ColorConfig;
+use crate::Handler;
+use rustc_span::BytePos;
 
 use std::str;
 
diff --git a/compiler/rustc_errors/src/markdown/tests/term.rs b/compiler/rustc_errors/src/markdown/tests/term.rs
index 6f68fb25a58..a0d956bf0cd 100644
--- a/compiler/rustc_errors/src/markdown/tests/term.rs
+++ b/compiler/rustc_errors/src/markdown/tests/term.rs
@@ -3,7 +3,6 @@ use std::path::PathBuf;
 use termcolor::{BufferWriter, ColorChoice};
 
 use super::*;
-use crate::markdown::MdStream;
 
 const INPUT: &str = include_str!("input.md");
 const OUTPUT_PATH: &[&str] = &[env!("CARGO_MANIFEST_DIR"), "src","markdown","tests","output.stdout"];