diff --git a/src/Mod/Fem/Gui/CMakeLists.txt b/src/Mod/Fem/Gui/CMakeLists.txt
index af0fb7fcd6..5635bef1fc 100755
--- a/src/Mod/Fem/Gui/CMakeLists.txt
+++ b/src/Mod/Fem/Gui/CMakeLists.txt
@@ -9,12 +9,6 @@ elseif(CMAKE_COMPILER_IS_GNUCXX)
     add_compile_options(-Wno-pedantic) # needed for vtk headers
 endif()
 
-if(MSVC)
-    add_definitions(-DFCGuiFem -DHAVE_ACOSH -DHAVE_ASINH -DHAVE_ATANH)
-else(MSVC)
-    add_definitions(-DHAVE_LIMITS_H -DHAVE_CONFIG_H)
-endif(MSVC)
-
 if(BUILD_FEM_NETGEN)
     add_definitions(-DFCWithNetgen)
 endif(BUILD_FEM_NETGEN)