diff --git a/PlotsBase/src/backends.jl b/PlotsBase/src/backends.jl
index 613dceb86..c94d56aa8 100644
--- a/PlotsBase/src/backends.jl
+++ b/PlotsBase/src/backends.jl
@@ -15,8 +15,6 @@ for sym ∈ _default_supported_syms
     end
 end
 
-const WEAKDEPS = 
-
 _display(::Plot{NoneBackend}) =
     @warn "No backend activated yet. Load the backend library and call the activation function to do so.\nE.g. `import GR; gr()` activates the GR backend."