diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3efc18b8e..7b1d73f89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -174,10 +174,9 @@ if (NOT MSVC AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMP
     add_compile_options(-Werror=return-type)
 
     #removes LOTS of extraneous Eigen warnings (GCC only supports it since 6.1)
-    #https://eigen.tuxfamily.org/bz/show_bug.cgi?id=1221
-    if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 6.1)
-        add_compile_options(-Wno-ignored-attributes)
-    endif()
+    #if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 6.1)
+        # add_compile_options(-Wno-ignored-attributes) # Tamas: Eigen include dirs are marked as SYSTEM
+    #endif()
 
     #GCC generates loads of -Wunknown-pragmas when compiling igl. The fix is not easy due to a bug in gcc, see
     # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66943 or