diff --git a/Tests/Data/RichardsMechanics/RichardsFlow_2d_richardsflow.prj b/Tests/Data/RichardsMechanics/RichardsFlow_2d_richardsflow.prj
index 48892f6632b10d5613df37fe4e25923af38cc6e5..144387f8b709c5594a19c29bac3ace6b09630897 100644
--- a/Tests/Data/RichardsMechanics/RichardsFlow_2d_richardsflow.prj
+++ b/Tests/Data/RichardsMechanics/RichardsFlow_2d_richardsflow.prj
@@ -63,11 +63,6 @@
                     <type>Constant</type>
                     <value>4.46e-13</value>
                 </property>
-                <property>
-                    <name>reference_temperature</name>
-                    <type>Constant</type>
-                    <value>293.15</value>
-                </property>
                 <property>
                     <name>saturation</name>
                     <type>SaturationVanGenuchten</type>