diff --git a/src/thermophysicalModels/specie/Make/files b/src/thermophysicalModels/specie/Make/files
index d4bf988f0..3aa166ed1 100644
--- a/src/thermophysicalModels/specie/Make/files
+++ b/src/thermophysicalModels/specie/Make/files
@@ -16,23 +16,4 @@ $(reactions)/makeChemkinReactions.C
 $(reactions)/makeReactionThermoReactions.C
 $(reactions)/makeLangmuirHinshelwoodReactions.C
 
-DegussaProcess = reaction/reactionRate/DegussaProcess
-$(DegussaProcess)/DegussaConstants.C
-$(DegussaProcess)/Degussa1ReactionRate.C
-$(DegussaProcess)/Degussa1aReactionRate.C
-$(DegussaProcess)/Degussa2ReactionRate.C
-$(DegussaProcess)/Degussa3ReactionRate.C
-$(DegussaProcess)/Degussa4ReactionRate.C
-$(DegussaProcess)/Degussa5ReactionRate.C
-$(DegussaProcess)/Degussa6ReactionRate.C
-$(DegussaProcess)/Degussa7ReactionRate.C
-$(DegussaProcess)/Degussa8ReactionRate.C
-$(DegussaProcess)/Degussa9ReactionRate.C
-$(DegussaProcess)/Degussa10ReactionRate.C
-$(DegussaProcess)/Degussa11ReactionRate.C
-$(DegussaProcess)/Degussa12ReactionRate.C
-$(DegussaProcess)/Degussa13aReactionRate.C
-$(DegussaProcess)/Degussa13bReactionRate.C
-$(reactions)/makeDegussaProcessReactions.C
-
 LIB = $(FOAM_LIBBIN)/libspecie