diff --git a/matrix/Dcm.hpp b/matrix/Dcm.hpp
index c94e890cfb..646fa7e2ec 100644
--- a/matrix/Dcm.hpp
+++ b/matrix/Dcm.hpp
@@ -87,6 +87,6 @@ public:
 
 typedef Dcm<float> Dcmf;
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/Euler.hpp b/matrix/Euler.hpp
index 74e364940f..53d23d02b1 100644
--- a/matrix/Euler.hpp
+++ b/matrix/Euler.hpp
@@ -97,6 +97,6 @@ public:
 
 typedef Euler<float> Eulerf;
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/Matrix.hpp b/matrix/Matrix.hpp
index 8d85946ed6..f54ad2d2e0 100644
--- a/matrix/Matrix.hpp
+++ b/matrix/Matrix.hpp
@@ -436,6 +436,6 @@ std::ostream& operator<<(std::ostream& os,
 
 typedef Matrix<float, 3, 3> Matrix3f;
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/Quaternion.hpp b/matrix/Quaternion.hpp
index e1067c6bac..590cbac9be 100644
--- a/matrix/Quaternion.hpp
+++ b/matrix/Quaternion.hpp
@@ -124,6 +124,6 @@ public:
 
 typedef Quaternion<float> Quatf;
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/Scalar.hpp b/matrix/Scalar.hpp
index 022ab5f7de..0e722eed8c 100644
--- a/matrix/Scalar.hpp
+++ b/matrix/Scalar.hpp
@@ -50,6 +50,6 @@ private:
 
 typedef Scalar<float> Scalarf;
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/SquareMatrix.hpp b/matrix/SquareMatrix.hpp
index 36cc716bec..c10d0a4b4d 100644
--- a/matrix/SquareMatrix.hpp
+++ b/matrix/SquareMatrix.hpp
@@ -217,6 +217,6 @@ SquareMatrix <Type, M> inv(const SquareMatrix<Type, M> & A)
 
 
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/Vector.hpp b/matrix/Vector.hpp
index 4c75ce5694..8255d6e9c6 100644
--- a/matrix/Vector.hpp
+++ b/matrix/Vector.hpp
@@ -69,6 +69,6 @@ public:
 
 };
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/Vector2.hpp b/matrix/Vector2.hpp
index 9956560594..50e9855c9f 100644
--- a/matrix/Vector2.hpp
+++ b/matrix/Vector2.hpp
@@ -60,6 +60,6 @@ public:
 
 typedef Vector2<float> Vector2f;
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/Vector3.hpp b/matrix/Vector3.hpp
index c33ff77e58..4bbfeb0745 100644
--- a/matrix/Vector3.hpp
+++ b/matrix/Vector3.hpp
@@ -65,6 +65,6 @@ public:
 
 typedef Vector3<float> Vector3f;
 
-}; // namespace matrix
+} // namespace matrix
 
 /* vim: set et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : */
diff --git a/matrix/filter.hpp b/matrix/filter.hpp
index a9d9982b1a..1841d1460e 100644
--- a/matrix/filter.hpp
+++ b/matrix/filter.hpp
@@ -23,4 +23,4 @@ int kalman_correct(
     return 0;
 }
 
-}; // namespace matrix
+} // namespace matrix
diff --git a/matrix/integration.hpp b/matrix/integration.hpp
index afc0cb7556..a0ad55c68a 100644
--- a/matrix/integration.hpp
+++ b/matrix/integration.hpp
@@ -24,4 +24,4 @@ int integrate_rk4(
     return 0;
 }
 
-}; // namespace matrix
+} // namespace matrix