diff --git a/front/Manifest.toml b/front/Manifest.toml
index 59993e68d1c05446699e2561903f53260dc9154b..c55bc77741b68794a3f25a3b962a0272af08f286 100644
--- a/front/Manifest.toml
+++ b/front/Manifest.toml
@@ -834,8 +834,8 @@ version = "1.4.0"
 
 [[deps.LarvaTagger]]
 deps = ["Bonito", "Colors", "Dates", "DocOpt", "Format", "HTTP", "JSON3", "LinearAlgebra", "Logging", "Makie", "Meshes", "NearestNeighbors", "NyxWidgets", "Observables", "ObservationPolicies", "OrderedCollections", "Oxygen", "PlanarLarvae", "Random", "StaticArrays", "Statistics", "TidyObservables", "WGLMakie"]
-git-tree-sha1 = "e4a16320c3526bbd0961d2c852549630ebc6841d"
-repo-rev = "dev"
+git-tree-sha1 = "0b405b69b603ef4df736142907a32ab81df20215"
+repo-rev = "main"
 repo-url = "https://gitlab.pasteur.fr/nyx/larvatagger.jl"
 uuid = "8b3b36f1-dfed-446e-8561-ea19fe966a4d"
 version = "0.20.1"
diff --git a/src/apps/muscles/Backbone.jl b/src/apps/muscles/Backbone.jl
index e833bebe2ec0837a427baf7011d7bfe586d3b8d8..320d21489b037d1d5de6778dec93bed2a08ede2a 100644
--- a/src/apps/muscles/Backbone.jl
+++ b/src/apps/muscles/Backbone.jl
@@ -12,25 +12,6 @@ using .MuscleWidgets
 export hasmodel, getmodel, setmodel, newsequence, getsequence, withsequences,
        exportsequence, loadsequence, deletesequence, purgesession
 
-# mutable struct Backbone{W}
-#     widget::Union{Nothing, W}
-#     channel::Observable{Bonito.JSCode}
-# end
-#
-# Backbone{W}() where {W} = Backbone{W}(nothing)
-#
-# Backbone{W}(widget::W) where {W} = Backbone{W}(widget, Observable(js""))
-#
-# Backbone(widget::W) where {W} = Backbone{W}(widget)
-#
-# function Bonito.jsrender(session::Session, widget::Backbone)
-#     isnothing(widget.widget) && error("backbone widget not initialized")
-#     on(session, widget.channel) do jscode
-#         evaljs(session, jscode)
-#     end
-#     Bonito.jsrender(session, widget.widget)
-# end
-
 ## models
 
 function purgesession end