--- a/examples/Makefiles/Makefile_linux
+++ b/examples/Makefiles/Makefile_linux
@@ -8,7 +8,7 @@
 # If your compiler name is not given here, change it.
 CC		= g++
 
-CC_FLAGS	= $(CFLAGS) -O3 -flto -mtune=generic -fopenmp
+CC_FLAGS	= $(CFLAGS) -O3 -flto -fopenmp
 
 # These flags are not turned on by default, but DDS should pass them.
 # Turn them on below.
--- a/src/Makefiles/Makefile_linux_shared
+++ b/src/Makefiles/Makefile_linux_shared
@@ -80,7 +80,7 @@ WARN_FLAGS	= 		\
 	-Wno-unknown-pragmas 	\
 	-Wno-long-long		\
 
-COMPILE_FLAGS	= -fPIC -O3 -flto -fopenmp -mtune=generic -std=c++11 \
+COMPILE_FLAGS	= -fPIC -O3 -flto -fopenmp -std=c++11 \
 		$(WARN_FLAGS) \
 		$(DDS_BEHAVIOR) $(THREAD_COMPILE) $(THREADING)
 
--- a/test/Makefiles/Makefile_linux
+++ b/test/Makefiles/Makefile_linux
@@ -61,7 +61,7 @@ WARN_FLAGS	= 		\
         -Wno-odr                \
 	-Wno-format
 
-COMPILE_FLAGS	= -O3 -flto -fopenmp -mtune=generic \
+COMPILE_FLAGS	= -O3 -flto -fopenmp \
 		$(WARN_FLAGS)
 
 DLLBASE		= dds
