diff --git a/crates/eww/src/main.rs b/crates/eww/src/main.rs
index f142c0e..6b2d9bd 100644
--- a/crates/eww/src/main.rs
+++ b/crates/eww/src/main.rs
@@ -2,8 +2,6 @@
 #![feature(extract_if)]
 #![feature(slice_concat_trait)]
 #![feature(try_blocks)]
-#![feature(hash_extract_if)]
-#![feature(let_chains)]
 #![allow(rustdoc::private_intra_doc_links)]
 
 extern crate gtk;
diff --git a/crates/eww/src/widgets/widget_definitions.rs b/crates/eww/src/widgets/widget_definitions.rs
index 01b5056..0166ba5 100644
--- a/crates/eww/src/widgets/widget_definitions.rs
+++ b/crates/eww/src/widgets/widget_definitions.rs
@@ -128,8 +128,7 @@ static DEPRECATED_ATTRS: Lazy<HashSet<&str>> =
 /// @widget widget
 /// @desc these properties apply to _all_ widgets, and can be used anywhere!
 pub(super) fn resolve_widget_attrs(bargs: &mut BuilderArgs, gtk_widget: &gtk::Widget) -> Result<()> {
-    let deprecated: HashSet<_> = DEPRECATED_ATTRS.to_owned();
-    let contained_deprecated: Vec<_> = bargs.unhandled_attrs.extract_if(|a, _| deprecated.contains(&a.0 as &str)).collect();
+    let contained_deprecated: Vec<_> = DEPRECATED_ATTRS.iter().filter_map(|x| bargs.unhandled_attrs.remove_entry(*x)).collect();
     if !contained_deprecated.is_empty() {
         let diag = error_handling_ctx::stringify_diagnostic(gen_diagnostic! {
             kind =  Severity::Error,