diff --git a/src/FDM/YASim/Rotor.cpp b/src/FDM/YASim/Rotor.cpp
index f4c338562..027f648e1 100644
--- a/src/FDM/YASim/Rotor.cpp
+++ b/src/FDM/YASim/Rotor.cpp
@@ -7,7 +7,6 @@
 
 #include "Math.hpp"
 #include <Main/fg_props.hxx>
-//#include "Surface.hpp"
 #include "Rotorpart.hpp"
 #include "Glue.hpp"
 #include "Ground.hpp"
diff --git a/src/FDM/YASim/Rotor.hpp b/src/FDM/YASim/Rotor.hpp
index 7abd764ea..c93f9ccbf 100644
--- a/src/FDM/YASim/Rotor.hpp
+++ b/src/FDM/YASim/Rotor.hpp
@@ -9,7 +9,6 @@
 
 namespace yasim {
 
-//class Surface;
 class Rotorpart;
 class Ground;
 const float rho_null=1.184f; //25DegC, 101325Pa