diff --git a/glm/core/type_vec4.hpp b/glm/core/type_vec4.hpp
index 803bf685..7257ceb0 100644
--- a/glm/core/type_vec4.hpp
+++ b/glm/core/type_vec4.hpp
@@ -15,7 +15,6 @@
 #include "type_int.hpp"
 #include "type_size.hpp"
 #include "_swizzle.hpp"
-#include "_detail.hpp"
 
 namespace glm
 {
diff --git a/glm/glm.hpp b/glm/glm.hpp
index 2c47cabb..6a117e7f 100644
--- a/glm/glm.hpp
+++ b/glm/glm.hpp
@@ -13,7 +13,7 @@
 #define glm_glm
 
 //! TODO: to delete
-#define GLMvalType typename genType::value_type
+//#define GLMvalType typename genType::value_type
 
 #include <cmath>
 #include <climits>
diff --git a/glm/gtx/vector_query.hpp b/glm/gtx/vector_query.hpp
index 776a99ed..f531cf07 100644
--- a/glm/gtx/vector_query.hpp
+++ b/glm/gtx/vector_query.hpp
@@ -41,15 +41,15 @@ namespace glm
 		bool areCollinear(
 			const genType & v0, 
 			const genType & v1, 
-			const GLMvalType epsilon = std::numeric_limits<GLMvalType>::epsilon());
+			typename genType::value_type const epsilon = std::numeric_limits<GLMvalType>::epsilon());
 		
         //! Check if two vectors are opposites.
 		//! From GLM_GTX_vector_query extensions.
 		template <typename genType> 
 		bool areOpposite(
-			const genType & v0, 
-			const genType & v1, 
-			const GLMvalType epsilon = std::numeric_limits<GLMvalType>::epsilon());
+			genType const & v0, 
+			genType const & v1, 
+			typename genType::value_type const epsilon = std::numeric_limits<GLMvalType>::epsilon());
 		
         //! Check if two vectors are orthogonals.
 		//! From GLM_GTX_vector_query extensions.