diff --git a/SAFT_ATT/CMakeLists.txt b/SAFT_ATT/CMakeLists.txt
index a2ed89d..cf9580b 100644
--- a/SAFT_ATT/CMakeLists.txt
+++ b/SAFT_ATT/CMakeLists.txt
@@ -9,7 +9,7 @@ add_library(SaftATT SHARED ./src/SAFT_ATT.cpp ./src/saft.cu ./src/processAScans.
 target_include_directories(SaftATT PRIVATE ./src /usr/local/cuda/include  /usr/local/Polyspace/R2019b/extern/include) 
 set_target_properties(SaftATT PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
 target_compile_options(SaftATT PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:
-                       -O3
+                    #    -O3
                        --compiler-options -fPIC
                        --use_fast_math
                        --ptxas-options=-v
diff --git a/SAFT_TOFI/CMakeLists.txt b/SAFT_TOFI/CMakeLists.txt
index e8d58dc..99366a3 100644
--- a/SAFT_TOFI/CMakeLists.txt
+++ b/SAFT_TOFI/CMakeLists.txt
@@ -9,7 +9,6 @@ add_library(SaftTofi SHARED ./src/SAFT_TOFI.cpp ./src/saft.cu ./src/processAScan
 target_include_directories(SaftTofi PRIVATE ./src /usr/local/cuda/include  /usr/local/Polyspace/R2019b/extern/include) 
 set_target_properties(SaftTofi PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
 target_compile_options(SaftTofi PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:
-                       -O3
                        --compiler-options -fPIC
                        --use_fast_math
                        --ptxas-options=-v
diff --git a/TVALGPU/CMakeLists.txt b/TVALGPU/CMakeLists.txt
index e45ffd4..f384e23 100644
--- a/TVALGPU/CMakeLists.txt
+++ b/TVALGPU/CMakeLists.txt
@@ -8,8 +8,7 @@ find_package(Matlab)
 add_library(TVALGPU SHARED ./src/tval3gpu3d.cpp ./src/tval3.cu )
 target_include_directories(TVALGPU PRIVATE ./include /usr/local/cuda/include  /usr/local/Polyspace/R2019b/extern/include) 
 set_target_properties(TVALGPU PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
-target_compile_options(TVALGPU PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:
-                       -O3
+target_compile_options(TVALGPU PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:            
                        --compiler-options -fPIC
                        --use_fast_math
                        --ptxas-options=-v
diff --git a/eikonalGPU/CMakeLists.txt b/eikonalGPU/CMakeLists.txt
index 6186e15..4a05dcd 100644
--- a/eikonalGPU/CMakeLists.txt
+++ b/eikonalGPU/CMakeLists.txt
@@ -9,7 +9,6 @@ target_include_directories(eikonalGPU PRIVATE src/ /usr/local/cuda/include)
 set_target_properties(eikonalGPU
                        PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
 target_compile_options(eikonalGPU PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:
-                       -O3
                        --compiler-options -fPIC
                        --use_fast_math
                        --ptxas-options=-v