diff --git a/.envrc b/.envrc
new file mode 100644
index 00000000..1d953f4b
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
diff --git a/.gitignore b/.gitignore
index 830dd75b..e5790860 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,5 @@ build/*
 !build/README.md
 !build/*.sh
 !build/Dockerfile.*
+.misc
+.direnv
diff --git a/app/tek_cfg.rs b/app/tek_cfg.rs
index 6ef37c00..ee323bb6 100644
--- a/app/tek_cfg.rs
+++ b/app/tek_cfg.rs
@@ -1,5 +1,4 @@
-pub(self) use ::{
-};
+use crate::*;
 
 /// Configuration.
 ///
diff --git a/app/tek_mode.rs b/app/tek_mode.rs
index ea8e219f..f304b517 100644
--- a/app/tek_mode.rs
+++ b/app/tek_mode.rs
@@ -14,7 +14,7 @@ pub struct Mode<D: Dsl + Ord> {
     pub modes: Modes,
 }
 
-impl Draw<TuiOut> for Mode {
+impl<D: Dsl + Ord> Draw<TuiOut> for Mode<D> {
     fn draw (&self, to: &mut TuiOut) {
         self.content().draw(to)
     }