diff --git a/podcasts-data/src/lib.rs b/podcasts-data/src/lib.rs
index c4bb354..92be4d8 100644
--- a/podcasts-data/src/lib.rs
+++ b/podcasts-data/src/lib.rs
@@ -19,12 +19,10 @@
 
 #![recursion_limit = "1024"]
 #![allow(unknown_lints)]
-#![feature(rust_2018_preview)]
 #![cfg_attr(
     all(test, feature = "clippy"),
     allow(option_unwrap_used, result_unwrap_used)
 )]
-#![cfg_attr(feature = "cargo-clippy", allow(option_map_unit_fn))]
 #![cfg_attr(
     feature = "clippy",
     warn(
@@ -53,8 +51,6 @@
     no_mangle_generic_items,
     overflowing_literals,
     plugin_as_library,
-    private_no_mangle_fns,
-    private_no_mangle_statics,
     unconditional_recursion,
     unions_with_drop_fields,
     while_true,
diff --git a/podcasts-downloader/src/lib.rs b/podcasts-downloader/src/lib.rs
index b3004c0..b6d73ea 100644
--- a/podcasts-downloader/src/lib.rs
+++ b/podcasts-downloader/src/lib.rs
@@ -19,8 +19,7 @@
 
 #![recursion_limit = "1024"]
 #![allow(unknown_lints)]
-#![feature(rust_2018_preview)]
-#![cfg_attr(feature = "cargo-clippy", allow(blacklisted_name, option_map_unit_fn))]
+#![cfg_attr(feature = "cargo-clippy", allow(blacklisted_name))]
 // Enable lint group collections
 #![warn(nonstandard_style, edition_2018, rust_2018_idioms, bad_style, unused)]
 // standalone lints
@@ -31,8 +30,6 @@
     no_mangle_generic_items,
     overflowing_literals,
     plugin_as_library,
-    private_no_mangle_fns,
-    private_no_mangle_statics,
     unconditional_recursion,
     unions_with_drop_fields,
     while_true,
diff --git a/podcasts-gtk/src/main.rs b/podcasts-gtk/src/main.rs
index ac0c242..ee9db90 100644
--- a/podcasts-gtk/src/main.rs
+++ b/podcasts-gtk/src/main.rs
@@ -19,15 +19,9 @@
 
 #![cfg_attr(
     feature = "cargo-clippy",
-    allow(
-        clone_on_ref_ptr,
-        blacklisted_name,
-        match_same_arms,
-        option_map_unit_fn
-    )
+    allow(clone_on_ref_ptr, blacklisted_name, match_same_arms,)
 )]
 #![allow(unknown_lints)]
-#![feature(rust_2018_preview)]
 // Enable lint group collections
 #![warn(nonstandard_style, edition_2018, rust_2018_idioms, bad_style, unused)]
 // standalone lints
@@ -38,8 +32,6 @@
     no_mangle_generic_items,
     overflowing_literals,
     plugin_as_library,
-    private_no_mangle_fns,
-    private_no_mangle_statics,
     unconditional_recursion,
     unions_with_drop_fields,
     while_true,