diff --git a/src/QuestBase.jl b/src/QuestBase.jl
index 5159792..17d5b49 100644
--- a/src/QuestBase.jl
+++ b/src/QuestBase.jl
@@ -16,9 +16,10 @@ using SymbolicUtils:
     ismul,
     add_with_div,
     frac_maketerm,
-    @compactified,
     issym
 
+using SymbolicUtils.Unityper: @compactified
+
 using Symbolics:
     Symbolics,
     Num,
@@ -27,7 +28,6 @@ using Symbolics:
     get_variables,
     Equation,
     Differential,
-    @variables,
     arguments,
     substitute,
     term,