diff --git a/OpenMP/linear-algebra/kernels/atax/Makefile b/OpenMP/linear-algebra/kernels/atax/Makefile
index 5975e40..3e0c451 100644
--- a/OpenMP/linear-algebra/kernels/atax/Makefile
+++ b/OpenMP/linear-algebra/kernels/atax/Makefile
@@ -1,8 +1,5 @@
 # -DPOLYBENCH_TIME makes Polybench output the execution time of the program
-CXXFLAGS+= -DPOLYBENCH_TIME 
-# -Wall and -Wextra enable more warnings
-CXXFLAGS+= -Wall 
-CXXFLAGS+= -Wextra 
+CXXFLAGS+= -DPOLYBENCH_TIME
 # -O3 applies all compiler optimization, improving from 800ms to 300ms
 CXXFLAGS+= -O3 
 # Extend CFLAGS with command line parameters