diff --git a/cookbook/src/recipe.rs b/cookbook/src/recipe.rs
index fb0cec9..c71c5e9 100644
--- a/cookbook/src/recipe.rs
+++ b/cookbook/src/recipe.rs
@@ -1,5 +1,6 @@
 
 /// Tag associated with ingredients
+#[allow(dead_code)]
 pub enum FoodTag {
     Viande,
     Poisson,
@@ -7,6 +8,7 @@ pub enum FoodTag {
 }
 
 /// Categories for recipe, to organize them for navigation and planning
+#[allow(dead_code)]
 pub enum RecipeCategory {
     PetitDejeuner,
     Entree,
@@ -23,6 +25,7 @@ struct NutritionnalValues;
 
 /// An individual ingredient
 #[derive(Default)]
+#[allow(dead_code)]
 pub struct Ingredient {
     /// All known alias of a same ingredient
     alias: Vec<String>,
@@ -33,7 +36,6 @@ pub struct Ingredient {
 }
 
 impl Ingredient {
-
     /// Builds a brand new ingredient with given name as first alias
     pub(super) fn new(name: String) -> Ingredient {
         Ingredient {
diff --git a/cookbook/src/storage.rs b/cookbook/src/storage.rs
index fe25832..2b6bbb0 100644
--- a/cookbook/src/storage.rs
+++ b/cookbook/src/storage.rs
@@ -1,20 +1,4 @@
 //! Storage backend for persistent data
 //!
-use std::collections::HashMap;
-
-/// An entry in the storage
-struct Entry<T>(T);
-
-/// A storage container
-pub struct Storage<T> {
-    content: HashMap<String, Entry<T>>,
-}
-
-impl<T> Storage<T> {
-    pub(super) fn insert(&mut self, item: T) -> Result<(), ()> {
-    
-        Err(())
-    }
-}
-
-
+//! Data is stored in a sqlite file.
+//! We'll try to use Diesel-rs, but not ready yet to grasp it all.