diff --git a/accountant/api/views/scheduled_operations.py b/accountant/api/views/scheduled_operations.py
index 5acaae4..4c288a1 100644
--- a/accountant/api/views/scheduled_operations.py
+++ b/accountant/api/views/scheduled_operations.py
@@ -61,6 +61,9 @@ class ScheduledOperationListResource(Resource):
     @session_aware
     @marshal_with_field(fields.List(Object(resource_fields)))
     def get(self, session):
+        """
+        Get all scheduled operation for the account.
+        """
         kwargs = get_parser.parse_args()
 
         return ScheduledOperation.get_scheduled_operations_for_account(
@@ -97,6 +100,9 @@ class ScheduledOperationResource(Resource):
     @session_aware
     @marshal_with_field(Object(resource_fields))
     def delete(self, scheduled_operation_id, session):
+        """
+        Delete a scheduled operation.
+        """
         try:
             scheduled_operation = ScheduledOperation.get(
                 session, scheduled_operation_id)
@@ -110,6 +116,9 @@ class ScheduledOperationResource(Resource):
     @session_aware
     @marshal_with_field(Object(resource_fields))
     def post(self, scheduled_operation_id, session):
+        """
+        Update a scheduled operation.
+        """
         kwargs = parser.parse_args()
 
         assert (id not in kwargs or kwargs.id is None
diff --git a/accountant/frontend/static/js/scheduler.js b/accountant/frontend/static/js/scheduler.js
index a9072cb..3101639 100644
--- a/accountant/frontend/static/js/scheduler.js
+++ b/accountant/frontend/static/js/scheduler.js
@@ -74,6 +74,7 @@ accountantApp
         });
     };
 
+    // Notify on success.
     $scope.$on("operationCreatedEvent", function(e, operation) {
         new PNotify({
             type: "success",
@@ -82,12 +83,14 @@ accountantApp
         });
     });
 
+    // Save operation.
     $scope.saveOperation = function(operation) {
       operation.$save(function(data) {
         $scope.$emit("operationSavedEvent", operation);
       });
     };
 
+    // Notify on success.
     $scope.$on("operationSavedEvent", function(e, operation) {
         new PNotify({
             type: "success",
@@ -101,36 +104,28 @@ accountantApp
         operation.state='edit';
     };
 
+    // Reload operation from server to cancel edition.
     $scope.cancelEditOperation = function(operation) {
         operation.$get();
     };
 
+    // Remove an operation.
     $scope.removeOperation = function(operation, modalScope) {
-      // Cancel current editing.
-      if (!$scope.isNew(operation)) {
-        $http.delete("/api/scheduled_operations/" + operation.id).success(function (result) {
-          $.pnotify({
+      operation.$delete(function(data) {
+          new PNotify({
               type: "success",
               title: "Delete",
-              text: result
+              text: "Operation #" + operation.id + " deleted."
           });
 
           // Send the "entry removed" event.
           $scope.$emit("operationRemovedEvent", operation);
 
-          $scope.closeModal(modalScope);
-        }).error(function (data) {
-          $.pnotify({
-              type: "error",
-              title: "Delete",
-              text: data
-          });
-
           $scope.closeModal(modalScope);
         });
-      }
     };
 
+    // Close modal.
     $scope.closeModal = function(modalScope) {
       // Close the modal dialog
       if(modalScope && modalScope.dismiss) {
@@ -138,9 +133,12 @@ accountantApp
       }
     };
 
+    // Load operations on account selection.
+    // FIXME Alexis Lahouze 2015-07-15 Deprecated.
     $rootScope.$on("accountSelectedEvent", function(event, args){
         $scope.loadOperations(args.account.id);
     });
 
+    // Load operations on controller initialization.
     $scope.loadOperations($routeParams.accountId);
 }]);