diff --git a/src/tui/app/machine/browse.rs b/src/tui/app/machine/browse.rs
index 17a1ffe..6e12584 100644
--- a/src/tui/app/machine/browse.rs
+++ b/src/tui/app/machine/browse.rs
@@ -13,7 +13,7 @@ use crate::tui::{
     app::{
         machine::{App, AppInner, AppMachine},
         selection::{Delta, ListSelection},
-        AppMatchesInfo, AppPublic, AppState, IAppBase, IAppInteractBrowse,
+        AppMatchesInfo, AppPublic, AppState, IAppInteractBrowse,
     },
     event::{Event, EventSender},
     lib::interface::musicbrainz::{self, IMusicBrainz},
@@ -185,14 +185,6 @@ impl IAppInteractBrowse for AppMachine<AppBrowse> {
     }
 }
 
-impl IAppBase for AppMachine<AppBrowse> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use mockall::{predicate, Sequence};
@@ -490,11 +482,4 @@ mod tests {
 
         assert_eq!(fetch_rx.try_recv().unwrap_err(), TryRecvError::Disconnected);
     }
-
-    #[test]
-    fn no_op() {
-        let browse = AppMachine::browse(inner(music_hoard(vec![])));
-        let app = browse.no_op();
-        app.unwrap_browse();
-    }
 }
diff --git a/src/tui/app/machine/critical.rs b/src/tui/app/machine/critical.rs
index 3e6c402..8206dbb 100644
--- a/src/tui/app/machine/critical.rs
+++ b/src/tui/app/machine/critical.rs
@@ -1,6 +1,6 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
-    AppPublic, AppState, IAppBase,
+    AppPublic, AppState,
 };
 
 pub struct AppCritical {
@@ -32,25 +32,3 @@ impl<'a> From<&'a mut AppMachine<AppCritical>> for AppPublic<'a> {
         }
     }
 }
-
-impl IAppBase for AppMachine<AppCritical> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::tui::app::machine::tests::{inner, music_hoard};
-
-    use super::*;
-
-    #[test]
-    fn no_op() {
-        let critical = AppMachine::critical(inner(music_hoard(vec![])), "get rekt");
-        let app = critical.no_op();
-        app.unwrap_critical();
-    }
-}
diff --git a/src/tui/app/machine/error.rs b/src/tui/app/machine/error.rs
index 4d910f2..1f9b90f 100644
--- a/src/tui/app/machine/error.rs
+++ b/src/tui/app/machine/error.rs
@@ -1,6 +1,6 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
-    AppPublic, AppState, IAppBase, IAppInteractError,
+    AppPublic, AppState, IAppInteractError,
 };
 
 pub struct AppError {
@@ -41,14 +41,6 @@ impl IAppInteractError for AppMachine<AppError> {
     }
 }
 
-impl IAppBase for AppMachine<AppError> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use crate::tui::app::machine::tests::{inner, music_hoard};
@@ -61,11 +53,4 @@ mod tests {
         let app = error.dismiss_error();
         app.unwrap_browse();
     }
-
-    #[test]
-    fn no_op() {
-        let error = AppMachine::error(inner(music_hoard(vec![])), "get rekt");
-        let app = error.no_op();
-        app.unwrap_error();
-    }
 }
diff --git a/src/tui/app/machine/fetch.rs b/src/tui/app/machine/fetch.rs
index 625f983..5d73fdb 100644
--- a/src/tui/app/machine/fetch.rs
+++ b/src/tui/app/machine/fetch.rs
@@ -3,7 +3,7 @@ use std::sync::mpsc::{self, TryRecvError};
 use crate::tui::{
     app::{
         machine::{App, AppInner, AppMachine},
-        AppMatchesInfo, AppPublic, AppState, IAppBase, IAppEventFetch, IAppInteractFetch,
+        AppMatchesInfo, AppPublic, AppState, IAppEventFetch, IAppInteractFetch,
     },
     lib::interface::musicbrainz::Error as MbError,
 };
@@ -87,14 +87,6 @@ impl IAppInteractFetch for AppMachine<AppFetch> {
     }
 }
 
-impl IAppBase for AppMachine<AppFetch> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
 impl IAppEventFetch for AppMachine<AppFetch> {
     type APP = App;
 
@@ -188,15 +180,4 @@ mod tests {
         let app = app.abort();
         assert!(matches!(app, AppState::Browse(_)));
     }
-
-    #[test]
-    fn no_op() {
-        let (_, rx) = mpsc::channel::<FetchResult>();
-
-        let fetch = AppFetch::new(rx);
-        let app = AppMachine::fetch(inner(music_hoard(COLLECTION.clone())), fetch);
-
-        let app = app.no_op();
-        assert!(matches!(app, AppState::Fetch(_)));
-    }
 }
diff --git a/src/tui/app/machine/info.rs b/src/tui/app/machine/info.rs
index ced252a..06ddd0b 100644
--- a/src/tui/app/machine/info.rs
+++ b/src/tui/app/machine/info.rs
@@ -1,6 +1,6 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
-    AppPublic, AppState, IAppBase, IAppInteractInfo,
+    AppPublic, AppState, IAppInteractInfo,
 };
 
 pub struct AppInfo;
@@ -37,14 +37,6 @@ impl IAppInteractInfo for AppMachine<AppInfo> {
     }
 }
 
-impl IAppBase for AppMachine<AppInfo> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use crate::tui::app::machine::tests::{inner, music_hoard};
@@ -57,11 +49,4 @@ mod tests {
         let app = info.hide_info_overlay();
         app.unwrap_browse();
     }
-
-    #[test]
-    fn no_op() {
-        let info = AppMachine::info(inner(music_hoard(vec![])));
-        let app = info.no_op();
-        app.unwrap_info();
-    }
 }
diff --git a/src/tui/app/machine/matches.rs b/src/tui/app/machine/matches.rs
index c6b4b17..4dbcab3 100644
--- a/src/tui/app/machine/matches.rs
+++ b/src/tui/app/machine/matches.rs
@@ -3,7 +3,7 @@ use std::cmp;
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
     AppAlbumMatches, AppArtistMatches, AppMatchesInfo, AppPublic, AppPublicMatches, AppState,
-    IAppBase, IAppInteractMatches, MatchOption, WidgetState,
+    IAppInteractMatches, MatchOption, WidgetState,
 };
 
 use super::fetch::AppFetch;
@@ -124,14 +124,6 @@ impl IAppInteractMatches for AppMachine<AppMatches> {
     }
 }
 
-impl IAppBase for AppMachine<AppMatches> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use std::sync::mpsc;
@@ -213,7 +205,7 @@ mod tests {
         assert_eq!(matches.state.current, None);
         assert_eq!(matches.state.state, widget_state);
 
-        let mut app = matches.no_op();
+        let mut app: App = matches.into();
         let public = app.get();
         let public_matches = public.state.unwrap_matches();
 
@@ -236,7 +228,7 @@ mod tests {
         assert_eq!(matches.state.current.as_ref(), Some(&album_match));
         assert_eq!(matches.state.state, widget_state);
 
-        let mut app = matches.no_op();
+        let mut app: App = matches.into();
         let public = app.get();
         let public_matches = public.state.unwrap_matches();
 
@@ -319,11 +311,4 @@ mod tests {
         let matches = AppMachine::matches(inner(music_hoard(vec![])), matches(None));
         matches.select().unwrap_browse();
     }
-
-    #[test]
-    fn no_op() {
-        let matches = AppMachine::matches(inner(music_hoard(vec![])), matches(None));
-        let app = matches.no_op();
-        app.unwrap_matches();
-    }
 }
diff --git a/src/tui/app/machine/mod.rs b/src/tui/app/machine/mod.rs
index 8c2e2f5..70ae5b4 100644
--- a/src/tui/app/machine/mod.rs
+++ b/src/tui/app/machine/mod.rs
@@ -24,6 +24,8 @@ use matches::AppMatches;
 use reload::AppReload;
 use search::AppSearch;
 
+use super::IAppBase;
+
 pub type App = AppState<
     AppMachine<AppBrowse>,
     AppMachine<AppInfo>,
@@ -121,6 +123,14 @@ impl IAppInteract for App {
     }
 }
 
+impl<T: Into<App>> IAppBase for T {
+    type APP = App;
+
+    fn no_op(self) -> Self::APP {
+        self.into()
+    }
+}
+
 impl IAppAccess for App {
     fn get(&mut self) -> AppPublic {
         match self {
@@ -277,6 +287,11 @@ mod tests {
         assert!(matches!(state, AppState::Browse(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Browse(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Browse(_)));
 
@@ -295,6 +310,11 @@ mod tests {
         assert!(matches!(state, AppState::Info(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Info(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Info(_)));
 
@@ -313,6 +333,11 @@ mod tests {
         assert!(matches!(state, AppState::Reload(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Reload(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Reload(_)));
 
@@ -331,6 +356,11 @@ mod tests {
         assert!(matches!(state, AppState::Search(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Search(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Search("")));
 
@@ -352,6 +382,11 @@ mod tests {
         assert!(matches!(state, AppState::Fetch(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Fetch(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Fetch(_)));
 
@@ -372,6 +407,11 @@ mod tests {
         assert!(matches!(state, AppState::Matches(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Matches(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Matches(_)));
 
@@ -390,6 +430,11 @@ mod tests {
         assert!(matches!(state, AppState::Error(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Error(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Error("get rekt")));
 
@@ -408,6 +453,11 @@ mod tests {
         assert!(matches!(state, AppState::Critical(_)));
         app = state;
 
+        app = app.no_op();
+        let state = app.state();
+        assert!(matches!(state, AppState::Critical(_)));
+        app = state;
+
         let public = app.get();
         assert!(matches!(public.state, AppState::Critical("get rekt")));
 
diff --git a/src/tui/app/machine/reload.rs b/src/tui/app/machine/reload.rs
index 06c857b..41758d2 100644
--- a/src/tui/app/machine/reload.rs
+++ b/src/tui/app/machine/reload.rs
@@ -1,7 +1,7 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
     selection::KeySelection,
-    AppPublic, AppState, IAppBase, IAppInteractReload,
+    AppPublic, AppState, IAppInteractReload,
 };
 
 pub struct AppReload;
@@ -55,14 +55,6 @@ impl IAppInteractReload for AppMachine<AppReload> {
     }
 }
 
-impl IAppBase for AppMachine<AppReload> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
 trait IAppInteractReloadPrivate {
     fn refresh(self, previous: KeySelection, result: Result<(), musichoard::Error>) -> App;
 }
@@ -135,11 +127,4 @@ mod tests {
         let app = reload.reload_database();
         app.unwrap_error();
     }
-
-    #[test]
-    fn no_op() {
-        let reload = AppMachine::reload(inner(music_hoard(vec![])));
-        let app = reload.no_op();
-        app.unwrap_reload();
-    }
 }
diff --git a/src/tui/app/machine/search.rs b/src/tui/app/machine/search.rs
index dda0f9d..3a484b5 100644
--- a/src/tui/app/machine/search.rs
+++ b/src/tui/app/machine/search.rs
@@ -6,7 +6,7 @@ use musichoard::collection::{album::Album, artist::Artist, track::Track};
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
     selection::{ListSelection, SelectionState},
-    AppPublic, AppState, Category, IAppBase, IAppInteractSearch,
+    AppPublic, AppState, Category, IAppInteractSearch,
 };
 
 // Unlikely that this covers all possible strings, but it should at least cover strings
@@ -100,14 +100,6 @@ impl IAppInteractSearch for AppMachine<AppSearch> {
     }
 }
 
-impl IAppBase for AppMachine<AppSearch> {
-    type APP = App;
-
-    fn no_op(self) -> Self::APP {
-        self.into()
-    }
-}
-
 trait IAppInteractSearchPrivate {
     fn incremental_search(&mut self, next: bool);
     fn next<P, T>(pred: P, name: &str, next: bool, st: SelectionState<'_, T>) -> Option<usize>
@@ -548,13 +540,6 @@ mod tests {
         let browse = search.cancel_search().unwrap_browse();
         assert_eq!(browse.inner.selection.selected(), None);
     }
-
-    #[test]
-    fn no_op() {
-        let search = AppMachine::search(inner(music_hoard(vec![])), orig(None));
-        let app = search.no_op();
-        app.unwrap_search();
-    }
 }
 
 #[cfg(nightly)]