diff --git a/clippy_lints/src/item_name_repetitions.rs b/clippy_lints/src/item_name_repetitions.rs
index 276c1abb6..0b4c416d9 100644
--- a/clippy_lints/src/item_name_repetitions.rs
+++ b/clippy_lints/src/item_name_repetitions.rs
@@ -385,7 +385,6 @@ impl LateLintPass<'_> for ItemNameRepetitions {
         assert!(last.is_some());
     }
 
-    #[expect(clippy::similar_names)]
     fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
         let item_name = item.ident.name.as_str();
         let item_camel = to_camel_case(item_name);
diff --git a/clippy_lints/src/operators/double_comparison.rs b/clippy_lints/src/operators/double_comparison.rs
index d48e8286f..d72a2fc3b 100644
--- a/clippy_lints/src/operators/double_comparison.rs
+++ b/clippy_lints/src/operators/double_comparison.rs
@@ -8,7 +8,6 @@ use rustc_span::Span;
 
 use super::DOUBLE_COMPARISONS;
 
-#[expect(clippy::similar_names)]
 pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, op: BinOpKind, lhs: &'tcx Expr<'_>, rhs: &'tcx Expr<'_>, span: Span) {
     let (lkind, llhs, lrhs, rkind, rlhs, rrhs) = match (&lhs.kind, &rhs.kind) {
         (ExprKind::Binary(lb, llhs, lrhs), ExprKind::Binary(rb, rlhs, rrhs)) => {
diff --git a/clippy_lints/src/operators/op_ref.rs b/clippy_lints/src/operators/op_ref.rs
index 7d8aa3f56..c2b27c9b2 100644
--- a/clippy_lints/src/operators/op_ref.rs
+++ b/clippy_lints/src/operators/op_ref.rs
@@ -11,7 +11,7 @@ use rustc_middle::ty::{self, Ty};
 
 use super::OP_REF;
 
-#[expect(clippy::similar_names, clippy::too_many_lines)]
+#[expect(clippy::too_many_lines)]
 pub(crate) fn check<'tcx>(
     cx: &LateContext<'tcx>,
     e: &'tcx Expr<'_>,
diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs
index adc35bd82..63f7d58af 100644
--- a/clippy_utils/src/ast_utils.rs
+++ b/clippy_utils/src/ast_utils.rs
@@ -2,7 +2,7 @@
 //!
 //! - The `eq_foobar` functions test for semantic equality but ignores `NodeId`s and `Span`s.
 
-#![allow(clippy::similar_names, clippy::wildcard_imports, clippy::enum_glob_use)]
+#![allow(clippy::wildcard_imports, clippy::enum_glob_use)]
 
 use crate::{both, over};
 use rustc_ast::ptr::P;
@@ -296,7 +296,7 @@ pub fn eq_item<K>(l: &Item<K>, r: &Item<K>, mut eq_kind: impl FnMut(&K, &K) -> b
     eq_id(l.ident, r.ident) && over(&l.attrs, &r.attrs, eq_attr) && eq_vis(&l.vis, &r.vis) && eq_kind(&l.kind, &r.kind)
 }
 
-#[expect(clippy::too_many_lines)] // Just a big match statement
+#[expect(clippy::similar_names, clippy::too_many_lines)] // Just a big match statement
 pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool {
     use ItemKind::*;
     match (l, r) {
diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs
index 4fa93ad23..36013ae0c 100644
--- a/clippy_utils/src/hir_utils.rs
+++ b/clippy_utils/src/hir_utils.rs
@@ -132,7 +132,6 @@ impl HirEqInterExpr<'_, '_, '_> {
     }
 
     /// Checks whether two blocks are the same.
-    #[expect(clippy::similar_names)]
     fn eq_block(&mut self, left: &Block<'_>, right: &Block<'_>) -> bool {
         use TokenKind::{Semi, Whitespace};
         if left.stmts.len() != right.stmts.len() {
@@ -247,7 +246,7 @@ impl HirEqInterExpr<'_, '_, '_> {
         res
     }
 
-    #[expect(clippy::similar_names, clippy::too_many_lines)]
+    #[expect(clippy::too_many_lines)]
     pub fn eq_expr(&mut self, left: &Expr<'_>, right: &Expr<'_>) -> bool {
         if !self.check_ctxt(left.span.ctxt(), right.span.ctxt()) {
             return false;
@@ -463,7 +462,6 @@ impl HirEqInterExpr<'_, '_, '_> {
         }
     }
 
-    #[expect(clippy::similar_names)]
     fn eq_qpath(&mut self, left: &QPath<'_>, right: &QPath<'_>) -> bool {
         match (left, right) {
             (&QPath::Resolved(ref lty, lpath), &QPath::Resolved(ref rty, rpath)) => {
@@ -1158,7 +1156,6 @@ pub fn hash_expr(cx: &LateContext<'_>, e: &Expr<'_>) -> u64 {
     h.finish()
 }
 
-#[expect(clippy::similar_names)]
 fn eq_span_tokens(
     cx: &LateContext<'_>,
     left: impl SpanRange,
diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs
index 81f4fcc21..41f52ce88 100644
--- a/clippy_utils/src/qualify_min_const_fn.rs
+++ b/clippy_utils/src/qualify_min_const_fn.rs
@@ -389,7 +389,6 @@ fn is_const_fn(tcx: TyCtxt<'_>, def_id: DefId, msrv: &Msrv) -> bool {
         })
 }
 
-#[expect(clippy::similar_names)] // bit too pedantic
 fn is_ty_const_destruct<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, body: &Body<'tcx>) -> bool {
     // FIXME(effects, fee1-dead) revert to const destruct once it works again
     #[expect(unused)]
diff --git a/tests/ui/approx_const.rs b/tests/ui/approx_const.rs
index 2c3e0978c..3c4ed0367 100644
--- a/tests/ui/approx_const.rs
+++ b/tests/ui/approx_const.rs
@@ -1,5 +1,4 @@
 #[warn(clippy::approx_constant)]
-#[allow(clippy::similar_names)]
 fn main() {
     let my_e = 2.7182;
     //~^ ERROR: approximate value of `f{32, 64}::consts::E` found
diff --git a/tests/ui/approx_const.stderr b/tests/ui/approx_const.stderr
index 4b5cd2a7a..cb530eaf7 100644
--- a/tests/ui/approx_const.stderr
+++ b/tests/ui/approx_const.stderr
@@ -1,5 +1,5 @@
 error: approximate value of `f{32, 64}::consts::E` found
-  --> $DIR/approx_const.rs:4:16
+  --> $DIR/approx_const.rs:3:16
    |
 LL |     let my_e = 2.7182;
    |                ^^^^^^
@@ -9,7 +9,7 @@ LL |     let my_e = 2.7182;
    = help: to override `-D warnings` add `#[allow(clippy::approx_constant)]`
 
 error: approximate value of `f{32, 64}::consts::E` found
-  --> $DIR/approx_const.rs:6:20
+  --> $DIR/approx_const.rs:5:20
    |
 LL |     let almost_e = 2.718;
    |                    ^^^^^
@@ -17,7 +17,7 @@ LL |     let almost_e = 2.718;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_1_PI` found
-  --> $DIR/approx_const.rs:10:24
+  --> $DIR/approx_const.rs:9:24
    |
 LL |     let my_1_frac_pi = 0.3183;
    |                        ^^^^^^
@@ -25,7 +25,7 @@ LL |     let my_1_frac_pi = 0.3183;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_1_SQRT_2` found
-  --> $DIR/approx_const.rs:14:28
+  --> $DIR/approx_const.rs:13:28
    |
 LL |     let my_frac_1_sqrt_2 = 0.70710678;
    |                            ^^^^^^^^^^
@@ -33,7 +33,7 @@ LL |     let my_frac_1_sqrt_2 = 0.70710678;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_1_SQRT_2` found
-  --> $DIR/approx_const.rs:16:32
+  --> $DIR/approx_const.rs:15:32
    |
 LL |     let almost_frac_1_sqrt_2 = 0.70711;
    |                                ^^^^^^^
@@ -41,7 +41,7 @@ LL |     let almost_frac_1_sqrt_2 = 0.70711;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_2_PI` found
-  --> $DIR/approx_const.rs:20:24
+  --> $DIR/approx_const.rs:19:24
    |
 LL |     let my_frac_2_pi = 0.63661977;
    |                        ^^^^^^^^^^
@@ -49,7 +49,7 @@ LL |     let my_frac_2_pi = 0.63661977;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_2_SQRT_PI` found
-  --> $DIR/approx_const.rs:24:27
+  --> $DIR/approx_const.rs:23:27
    |
 LL |     let my_frac_2_sq_pi = 1.128379;
    |                           ^^^^^^^^
@@ -57,7 +57,7 @@ LL |     let my_frac_2_sq_pi = 1.128379;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_PI_2` found
-  --> $DIR/approx_const.rs:28:24
+  --> $DIR/approx_const.rs:27:24
    |
 LL |     let my_frac_pi_2 = 1.57079632679;
    |                        ^^^^^^^^^^^^^
@@ -65,7 +65,7 @@ LL |     let my_frac_pi_2 = 1.57079632679;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_PI_3` found
-  --> $DIR/approx_const.rs:32:24
+  --> $DIR/approx_const.rs:31:24
    |
 LL |     let my_frac_pi_3 = 1.04719755119;
    |                        ^^^^^^^^^^^^^
@@ -73,7 +73,7 @@ LL |     let my_frac_pi_3 = 1.04719755119;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_PI_4` found
-  --> $DIR/approx_const.rs:36:24
+  --> $DIR/approx_const.rs:35:24
    |
 LL |     let my_frac_pi_4 = 0.785398163397;
    |                        ^^^^^^^^^^^^^^
@@ -81,7 +81,7 @@ LL |     let my_frac_pi_4 = 0.785398163397;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_PI_6` found
-  --> $DIR/approx_const.rs:40:24
+  --> $DIR/approx_const.rs:39:24
    |
 LL |     let my_frac_pi_6 = 0.523598775598;
    |                        ^^^^^^^^^^^^^^
@@ -89,7 +89,7 @@ LL |     let my_frac_pi_6 = 0.523598775598;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::FRAC_PI_8` found
-  --> $DIR/approx_const.rs:44:24
+  --> $DIR/approx_const.rs:43:24
    |
 LL |     let my_frac_pi_8 = 0.3926990816987;
    |                        ^^^^^^^^^^^^^^^
@@ -97,7 +97,7 @@ LL |     let my_frac_pi_8 = 0.3926990816987;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::LN_10` found
-  --> $DIR/approx_const.rs:48:20
+  --> $DIR/approx_const.rs:47:20
    |
 LL |     let my_ln_10 = 2.302585092994046;
    |                    ^^^^^^^^^^^^^^^^^
@@ -105,7 +105,7 @@ LL |     let my_ln_10 = 2.302585092994046;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::LN_2` found
-  --> $DIR/approx_const.rs:52:19
+  --> $DIR/approx_const.rs:51:19
    |
 LL |     let my_ln_2 = 0.6931471805599453;
    |                   ^^^^^^^^^^^^^^^^^^
@@ -113,7 +113,7 @@ LL |     let my_ln_2 = 0.6931471805599453;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::LOG10_E` found
-  --> $DIR/approx_const.rs:56:22
+  --> $DIR/approx_const.rs:55:22
    |
 LL |     let my_log10_e = 0.4342944819032518;
    |                      ^^^^^^^^^^^^^^^^^^
@@ -121,7 +121,7 @@ LL |     let my_log10_e = 0.4342944819032518;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::LOG2_E` found
-  --> $DIR/approx_const.rs:60:21
+  --> $DIR/approx_const.rs:59:21
    |
 LL |     let my_log2_e = 1.4426950408889634;
    |                     ^^^^^^^^^^^^^^^^^^
@@ -129,7 +129,7 @@ LL |     let my_log2_e = 1.4426950408889634;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::LOG2_10` found
-  --> $DIR/approx_const.rs:64:19
+  --> $DIR/approx_const.rs:63:19
    |
 LL |     let log2_10 = 3.321928094887362;
    |                   ^^^^^^^^^^^^^^^^^
@@ -137,7 +137,7 @@ LL |     let log2_10 = 3.321928094887362;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::LOG10_2` found
-  --> $DIR/approx_const.rs:68:19
+  --> $DIR/approx_const.rs:67:19
    |
 LL |     let log10_2 = 0.301029995663981;
    |                   ^^^^^^^^^^^^^^^^^
@@ -145,7 +145,7 @@ LL |     let log10_2 = 0.301029995663981;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::PI` found
-  --> $DIR/approx_const.rs:72:17
+  --> $DIR/approx_const.rs:71:17
    |
 LL |     let my_pi = 3.1415;
    |                 ^^^^^^
@@ -153,7 +153,7 @@ LL |     let my_pi = 3.1415;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::PI` found
-  --> $DIR/approx_const.rs:74:21
+  --> $DIR/approx_const.rs:73:21
    |
 LL |     let almost_pi = 3.14;
    |                     ^^^^
@@ -161,7 +161,7 @@ LL |     let almost_pi = 3.14;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::SQRT_2` found
-  --> $DIR/approx_const.rs:78:18
+  --> $DIR/approx_const.rs:77:18
    |
 LL |     let my_sq2 = 1.4142;
    |                  ^^^^^^
@@ -169,7 +169,7 @@ LL |     let my_sq2 = 1.4142;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::TAU` found
-  --> $DIR/approx_const.rs:82:18
+  --> $DIR/approx_const.rs:81:18
    |
 LL |     let my_tau = 6.2832;
    |                  ^^^^^^
@@ -177,7 +177,7 @@ LL |     let my_tau = 6.2832;
    = help: consider using the constant directly
 
 error: approximate value of `f{32, 64}::consts::TAU` found
-  --> $DIR/approx_const.rs:84:22
+  --> $DIR/approx_const.rs:83:22
    |
 LL |     let almost_tau = 6.28;
    |                      ^^^^