diff --git a/clippy_lints/src/attrs.rs b/clippy_lints/src/attrs.rs
index c8f153e7201c..f6eadbdef0bb 100644
--- a/clippy_lints/src/attrs.rs
+++ b/clippy_lints/src/attrs.rs
@@ -137,17 +137,17 @@ declare_clippy_lint! {
     /// **Example:**
     /// ```rust
     /// // Good (as inner attribute)
-    /// #![inline(always)]
+    /// #![allow(dead_code)]
     ///
     /// fn this_is_fine() { }
     ///
     /// // Bad
-    /// #[inline(always)]
+    /// #[allow(dead_code)]
     ///
     /// fn not_quite_good_code() { }
     ///
     /// // Good (as outer attribute)
-    /// #[inline(always)]
+    /// #[allow(dead_code)]
     /// fn this_is_fine_too() { }
     /// ```
     pub EMPTY_LINE_AFTER_OUTER_ATTR,
diff --git a/clippy_lints/src/missing_const_for_fn.rs b/clippy_lints/src/missing_const_for_fn.rs
index 3e786da28dfe..25245b3dbf08 100644
--- a/clippy_lints/src/missing_const_for_fn.rs
+++ b/clippy_lints/src/missing_const_for_fn.rs
@@ -118,7 +118,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingConstForFn {
 
         let mir = cx.tcx.optimized_mir(def_id);
 
-        if let Err((span, err)) = is_min_const_fn(cx.tcx, def_id.to_def_id(), &mir) {
+        if let Err((span, err)) = is_min_const_fn(cx.tcx, &mir) {
             if rustc_mir::const_eval::is_min_const_fn(cx.tcx, def_id.to_def_id()) {
                 cx.tcx.sess.span_err(span, &err);
             }
diff --git a/clippy_lints/src/redundant_clone.rs b/clippy_lints/src/redundant_clone.rs
index 4d20a819804d..b4502c668dcb 100644
--- a/clippy_lints/src/redundant_clone.rs
+++ b/clippy_lints/src/redundant_clone.rs
@@ -86,7 +86,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClone {
         let mir = cx.tcx.optimized_mir(def_id.to_def_id());
 
         let maybe_storage_live_result = MaybeStorageLive
-            .into_engine(cx.tcx, mir, def_id.to_def_id())
+            .into_engine(cx.tcx, mir)
             .pass_name("redundant_clone")
             .iterate_to_fixpoint()
             .into_results_cursor(mir);
diff --git a/clippy_lints/src/utils/qualify_min_const_fn.rs b/clippy_lints/src/utils/qualify_min_const_fn.rs
index 3773b9d9a2ee..1b4f20342729 100644
--- a/clippy_lints/src/utils/qualify_min_const_fn.rs
+++ b/clippy_lints/src/utils/qualify_min_const_fn.rs
@@ -13,7 +13,8 @@ use std::borrow::Cow;
 
 type McfResult = Result<(), (Span, Cow<'static, str>)>;
 
-pub fn is_min_const_fn(tcx: TyCtxt<'tcx>, def_id: DefId, body: &'a Body<'tcx>) -> McfResult {
+pub fn is_min_const_fn(tcx: TyCtxt<'tcx>, body: &'a Body<'tcx>) -> McfResult {
+    let def_id = body.source.def_id();
     let mut current = def_id;
     loop {
         let predicates = tcx.predicates_of(current);