diff --git a/ModelicaTest/Resources/Reference/ModelicaTest/MultiBody/Forces/EngineGasForce/comparisonSignals.txt b/ModelicaTest/Resources/Reference/ModelicaTest/MultiBody/Forces/EngineGasForce/comparisonSignals.txt
index d23574b2b4..a9b5c08006 100644
--- a/ModelicaTest/Resources/Reference/ModelicaTest/MultiBody/Forces/EngineGasForce/comparisonSignals.txt
+++ b/ModelicaTest/Resources/Reference/ModelicaTest/MultiBody/Forces/EngineGasForce/comparisonSignals.txt
@@ -1,5 +1,4 @@
 time
-gasForce.dens
 gasForce.f
 gasForce.T
 gasForce.V