diff --git a/src/standalone/CMakeLists.txt b/src/standalone/CMakeLists.txt
index ed9bda9..ea1d04c 100644
--- a/src/standalone/CMakeLists.txt
+++ b/src/standalone/CMakeLists.txt
@@ -21,7 +21,7 @@ if (BUILD_RT_VISUALIZATION)
 endif ()
 
 ## Compilation flags
-add_compile_options(-O2 -pipe ${OpenMP_CXX_FLAGS})
+add_compile_options(-pipe ${OpenMP_CXX_FLAGS})
 add_compile_options(-Wall -Wextra -Werror -Wdouble-promotion -Wfloat-conversion)# -Wshadow)
 
 ## Compile and link