diff --git a/clippy_dev/src/new_lint.rs b/clippy_dev/src/new_lint.rs
index c4d9c52a1cc2..8b32dc6b8885 100644
--- a/clippy_dev/src/new_lint.rs
+++ b/clippy_dev/src/new_lint.rs
@@ -207,13 +207,13 @@ pub(crate) fn get_stabilization_version() -> String {
 
 fn get_test_file_contents(lint_name: &str, msrv: bool) -> String {
     let mut test = formatdoc!(
-        r#"
+        r"
         #![warn(clippy::{lint_name})]
 
         fn main() {{
             // test code goes here
         }}
-    "#
+    "
     );
 
     if msrv {
@@ -272,23 +272,23 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String {
 
     result.push_str(&if enable_msrv {
         formatdoc!(
-            r#"
+            r"
             use clippy_config::msrvs::{{self, Msrv}};
             use clippy_config::Conf;
             {pass_import}
             use rustc_lint::{{{context_import}, {pass_type}, LintContext}};
             use rustc_session::impl_lint_pass;
 
-        "#
+        "
         )
     } else {
         formatdoc!(
-            r#"
+            r"
             {pass_import}
             use rustc_lint::{{{context_import}, {pass_type}}};
             use rustc_session::declare_lint_pass;
 
-        "#
+        "
         )
     });
 
@@ -296,7 +296,7 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String {
 
     result.push_str(&if enable_msrv {
         formatdoc!(
-            r#"
+            r"
             pub struct {name_camel} {{
                 msrv: Msrv,
             }}
@@ -315,15 +315,15 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String {
 
             // TODO: Add MSRV level to `clippy_config/src/msrvs.rs` if needed.
             // TODO: Update msrv config comment in `clippy_config/src/conf.rs`
-        "#
+        "
         )
     } else {
         formatdoc!(
-            r#"
+            r"
             declare_lint_pass!({name_camel} => [{name_upper}]);
 
             impl {pass_type}{pass_lifetimes} for {name_camel} {{}}
-        "#
+        "
         )
     });
 
@@ -416,7 +416,7 @@ fn create_lint_for_ty(lint: &LintData<'_>, enable_msrv: bool, ty: &str) -> io::R
     } else {
         let _: fmt::Result = writedoc!(
             lint_file_contents,
-            r#"
+            r"
                 use rustc_lint::{{{context_import}, LintContext}};
 
                 use super::{name_upper};
@@ -425,7 +425,7 @@ fn create_lint_for_ty(lint: &LintData<'_>, enable_msrv: bool, ty: &str) -> io::R
                 pub(super) fn check(cx: &{context_import}{pass_lifetimes}) {{
                     todo!();
                 }}
-           "#
+           "
         );
     }
 
diff --git a/clippy_lints/src/raw_strings.rs b/clippy_lints/src/raw_strings.rs
index e687e1e15f04..23d0e768c2f1 100644
--- a/clippy_lints/src/raw_strings.rs
+++ b/clippy_lints/src/raw_strings.rs
@@ -75,9 +75,9 @@ impl EarlyLintPass for RawStrings {
             && !in_external_macro(cx.sess(), format_args.span)
             && format_args.span.check_source_text(cx, |src| src.starts_with('r'))
             && let Some(str) = snippet_opt(cx.sess(), format_args.span)
+            && let count_hash = str.bytes().skip(1).take_while(|b| *b == b'#').count()
+            && let Some(str) = str.get(count_hash + 2..str.len() - count_hash - 1)
         {
-            let count_hash = str.bytes().skip(1).take_while(|b| *b == b'#').count();
-            let str = &str[count_hash + 2..str.len() - count_hash - 1];
             self.check_raw_string(
                 cx,
                 str,
diff --git a/clippy_lints/src/rc_clone_in_vec_init.rs b/clippy_lints/src/rc_clone_in_vec_init.rs
index e877f5d6ed43..6bb7650a7e1c 100644
--- a/clippy_lints/src/rc_clone_in_vec_init.rs
+++ b/clippy_lints/src/rc_clone_in_vec_init.rs
@@ -65,11 +65,11 @@ impl LateLintPass<'_> for RcCloneInVecInit {
 
 fn loop_init_suggestion(elem: &str, len: &str, indent: &str) -> String {
     format!(
-        r#"{{
+        r"{{
 {indent}    let mut v = Vec::with_capacity({len});
 {indent}    (0..{len}).for_each(|_| v.push({elem}));
 {indent}    v
-{indent}}}"#
+{indent}}}"
     )
 }
 
diff --git a/lintcheck/src/json.rs b/lintcheck/src/json.rs
index ee0c80aea522..3a68f2c92435 100644
--- a/lintcheck/src/json.rs
+++ b/lintcheck/src/json.rs
@@ -133,7 +133,7 @@ fn print_lint_warnings(lint: &LintWarnings, truncate_after: usize) {
     println!();
 
     print!(
-        r##"{}, {}, {}"##,
+        r"{}, {}, {}",
         count_string(name, "added", lint.added.len()),
         count_string(name, "removed", lint.removed.len()),
         count_string(name, "changed", lint.changed.len()),
diff --git a/tests/config-metadata.rs b/tests/config-metadata.rs
index 628dfc8f758a..af9fe064dc70 100644
--- a/tests/config-metadata.rs
+++ b/tests/config-metadata.rs
@@ -20,7 +20,7 @@ fn book() {
 
     let configs = metadata().map(|conf| conf.to_markdown_paragraph()).join("\n");
     let expected = format!(
-        r#"<!--
+        r"<!--
 This file is generated by `cargo bless --test config-metadata`.
 Please use that command to update the file and do not edit it by hand.
 -->
@@ -33,7 +33,7 @@ and lints affected.
 ---
 
 {}
-"#,
+",
         configs.trim(),
     );