diff --git a/CMakeLists.txt b/CMakeLists.txt
index f47bc95f..fd43d4b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -433,11 +433,11 @@ if(METIS_FOUND)
         string(STRIP "${type_size}" type_size)
         if (type_name STREQUAL "float")
             set(PSB_METIS_REAL_32 "${type_size}" PARENT_SCOPE)
-            add_definitions(-DPSB_METIS_REAL_32)
+	    #         add_definitions(-DPSB_METIS_REAL_32)
             set(CREALMETIS "#define PSB_METIS_REAL_32" PARENT_SCOPE)	
         elseif (type_name STREQUAL "double")
             set(PSB_METIS_REAL_64 "${type_size}" PARENT_SCOPE)
-            add_definitions(-DPSB_METIS_REAL_64)
+            #add_definitions(-DPSB_METIS_REAL_64)
             set(CREALMETIS "#define PSB_METIS_REAL_64" PARENT_SCOPE)		    
         endif()
     else()