diff --git a/ext/ModelingToolkitExt.jl b/ext/ModelingToolkitExt.jl
index 50e0bf585..32e7d9dca 100644
--- a/ext/ModelingToolkitExt.jl
+++ b/ext/ModelingToolkitExt.jl
@@ -10,8 +10,7 @@ using QuestBase:
 using HarmonicBalance:
     HarmonicEquation, get_variables, DifferentialEquation, get_independent_variables
 using HarmonicBalance: first_order_transform!
-using Symbolics:
-    simplify, Equation, substitute, Num, @variables, expand, unwrap, arguments, wrap
+using Symbolics: simplify, Equation, substitute, Num, expand, unwrap, arguments, wrap
 using ModelingToolkit:
     ModelingToolkit,
     System,