Index: src/celeste/CMakeLists.txt
===================================================================
--- a/src/celeste/CMakeLists.txt
+++ b/src/celeste/CMakeLists.txt
@@ -16,10 +16,6 @@
 #    You should have received a copy of the GNU General Public License
 #    along with Hugin  If not, see <http://www.gnu.org/licenses/>.
  
-IF(NOT WIN32)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
-ENDIF(NOT WIN32)
-
 # a list of all files belonging to celeste library
 
 SET(CELESTE_SRC
