diff --git a/cpp/math.cpp b/cpp/math.cpp
index abaa13d..ee2da7b 100644
--- a/cpp/math.cpp
+++ b/cpp/math.cpp
@@ -15,8 +15,6 @@
 
 #include "math.hpp"
 
-//TODO: benchmark this ctypes interface against pure python maths
-
 void rk_mat3_rotation(
     rk_mat3 & ret,
     rk_vec3 const & axis,
diff --git a/cpp/types.hpp b/cpp/types.hpp
index ad9e82b..ba918dd 100644
--- a/cpp/types.hpp
+++ b/cpp/types.hpp
@@ -13,8 +13,6 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-//TODO: use glm types
-
 #ifndef _RK_ENGINE_TYPES_H
 #define _RK_ENGINE_TYPES_H