diff --git a/glm/detail/type_vec2.hpp b/glm/detail/type_vec2.hpp
index 76029f49..24e9a846 100644
--- a/glm/detail/type_vec2.hpp
+++ b/glm/detail/type_vec2.hpp
@@ -298,9 +298,6 @@ namespace glm
 	template <typename T, precision P>
 	GLM_FUNC_DECL tvec2<T, P> operator/(tvec2<T, P> const & v1, tvec2<T, P> const & v2);
 
-	template <typename T, precision P>
-	GLM_FUNC_DECL tvec2<T, P> operator-(tvec2<T, P> const & v);
-
 	template <typename T, precision P>
 	GLM_FUNC_DECL tvec2<T, P> operator%(tvec2<T, P> const & v, T const & scalar);
 
diff --git a/glm/detail/type_vec4.hpp b/glm/detail/type_vec4.hpp
index e941b766..84d4f0b6 100644
--- a/glm/detail/type_vec4.hpp
+++ b/glm/detail/type_vec4.hpp
@@ -419,12 +419,6 @@ namespace detail
 	template <typename T, precision P>
 	GLM_FUNC_DECL tvec4<T, P> operator/(tvec4<T, P> const & v1, tvec4<T, P> const & v2);
 
-	template <typename T, precision P>
-	GLM_FUNC_DECL bool operator==(tvec4<T, P> const & v1, tvec4<T, P> const & v2);
-
-	template <typename T, precision P>
-	GLM_FUNC_DECL bool operator!=(tvec4<T, P> const & v1, tvec4<T, P> const & v2);
-
 	template <typename T, precision P>
 	GLM_FUNC_DECL tvec4<T, P> operator%(tvec4<T, P> const & v, T scalar);