diff --git a/src/all_reduce.cu b/src/all_reduce.cu
index 7364da0..54b046c 100644
--- a/src/all_reduce.cu
+++ b/src/all_reduce.cu
@@ -26,8 +26,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  ************************************************************************/
 
-#include <nvToolsExt.h>
-
 #include "core.h"
 #include "common_kernel.h"
 #include "copy_kernel.h"
diff --git a/src/broadcast.cu b/src/broadcast.cu
index d839aee..5053cc3 100644
--- a/src/broadcast.cu
+++ b/src/broadcast.cu
@@ -28,8 +28,6 @@
 
 #include <algorithm>
 
-#include <nvToolsExt.h>
-
 #include "core.h"
 #include "common_kernel.h"
 #include "copy_kernel.h"
diff --git a/src/reduce.cu b/src/reduce.cu
index 3b48a03..6ef38b9 100644
--- a/src/reduce.cu
+++ b/src/reduce.cu
@@ -28,8 +28,6 @@
 
 #include <algorithm>
 
-#include <nvToolsExt.h>
-
 #include "core.h"
 #include "common_kernel.h"
 #include "copy_kernel.h"