[Clippy] Swap `instant_subtraction` to use diagnostic item instead of path

2 files changed, 1 insertions, 2 deletions

diff --git a/src/tools/clippy/clippy_lints/src/instant_subtraction.rs b/src/tools/clippy/clippy_lints/src/instant_subtraction.rs
index f41fdf3203c..6d6820311b6 100644
--- a/src/tools/clippy/clippy_lints/src/instant_subtraction.rs
+++ b/src/tools/clippy/clippy_lints/src/instant_subtraction.rs
@@ -112,7 +112,7 @@ impl LateLintPass<'_> for InstantSubtraction {
 fn is_instant_now_call(cx: &LateContext<'_>, expr_block: &'_ Expr<'_>) -> bool {
     if let ExprKind::Call(fn_expr, []) = expr_block.kind
         && let Some(fn_id) = clippy_utils::path_def_id(cx, fn_expr)
-        && clippy_utils::match_def_path(cx, fn_id, &clippy_utils::paths::INSTANT_NOW)
+        && cx.tcx.is_diagnostic_item(sym::instant_now, fn_id)
     {
         true
     } else {
diff --git a/src/tools/clippy/clippy_utils/src/paths.rs b/src/tools/clippy/clippy_utils/src/paths.rs
index 89c1bd8a8a0..26f680e2666 100644
--- a/src/tools/clippy/clippy_utils/src/paths.rs
+++ b/src/tools/clippy/clippy_utils/src/paths.rs
@@ -72,4 +72,3 @@ pub const TOKIO_IO_ASYNCWRITEEXT: [&str; 5] = ["tokio", "io", "util", "async_wri
 pub const TOKIO_IO_OPEN_OPTIONS: [&str; 4] = ["tokio", "fs", "open_options", "OpenOptions"];
 #[expect(clippy::invalid_paths)] // internal lints do not know about all external crates
 pub const TOKIO_IO_OPEN_OPTIONS_NEW: [&str; 5] = ["tokio", "fs", "open_options", "OpenOptions", "new"];
-pub const INSTANT_NOW: [&str; 4] = ["std", "time", "Instant", "now"];