diff --git a/test/runtests.jl b/test/runtests.jl
index 11ee54d..3574671 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -4,7 +4,7 @@ using OrderedCollections
 using Dates
 
 
-const ext_dict::Dict{String, String} = Dict(
+const ext_dict = Dict(
     "yml" => "yaml",
     "tml" => "toml",
     "jsn" => "json"