diff --git a/glm/gtx/bit.hpp b/glm/gtx/bit.hpp
index 454e43e9..b5c73687 100644
--- a/glm/gtx/bit.hpp
+++ b/glm/gtx/bit.hpp
@@ -65,40 +65,52 @@ namespace glm
 	GLM_FUNC_DECL vecType<T, P> highestBitValue(vecType<T, P> const & value);
 
 	/// Return the power of two number which value is just higher the input value.
+	/// Deprecated, use ceilPowerOfTwo from GTC_round instead
 	///
+	/// @see gtc_round
 	/// @see gtx_bit
 	template <typename genIUType>
-	GLM_FUNC_DECL genIUType powerOfTwoAbove(genIUType Value);
+	GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoAbove(genIUType Value);
 
 	/// Return the power of two number which value is just higher the input value.
+	/// Deprecated, use ceilPowerOfTwo from GTC_round instead
 	///
+	/// @see gtc_round
 	/// @see gtx_bit
 	template <typename T, precision P, template <typename, precision> class vecType>
-	GLM_FUNC_DECL vecType<T, P> powerOfTwoAbove(vecType<T, P> const & value);
+	GLM_DEPRECATED GLM_FUNC_DECL vecType<T, P> powerOfTwoAbove(vecType<T, P> const & value);
 
 	/// Return the power of two number which value is just lower the input value.
+	/// Deprecated, use floorPowerOfTwo from GTC_round instead
 	///
+	/// @see gtc_round
 	/// @see gtx_bit
 	template <typename genIUType>
-	GLM_FUNC_DECL genIUType powerOfTwoBelow(genIUType Value);
+	GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoBelow(genIUType Value);
 
 	/// Return the power of two number which value is just lower the input value.
+	/// Deprecated, use floorPowerOfTwo from GTC_round instead
 	///
+	/// @see gtc_round
 	/// @see gtx_bit
 	template <typename T, precision P, template <typename, precision> class vecType>
-	GLM_FUNC_DECL vecType<T, P> powerOfTwoBelow(vecType<T, P> const & value);
+	GLM_DEPRECATED GLM_FUNC_DECL vecType<T, P> powerOfTwoBelow(vecType<T, P> const & value);
 
 	/// Return the power of two number which value is the closet to the input value.
+	/// Deprecated, use roundPowerOfTwo from GTC_round instead
 	///
+	/// @see gtc_round
 	/// @see gtx_bit
 	template <typename genIUType>
-	GLM_FUNC_DECL genIUType powerOfTwoNearest(genIUType Value);
+	GLM_DEPRECATED GLM_FUNC_DECL genIUType powerOfTwoNearest(genIUType Value);
 
 	/// Return the power of two number which value is the closet to the input value.
+	/// Deprecated, use roundPowerOfTwo from GTC_round instead
 	///
+	/// @see gtc_round
 	/// @see gtx_bit
 	template <typename T, precision P, template <typename, precision> class vecType>
-	GLM_FUNC_DECL vecType<T, P> powerOfTwoNearest(vecType<T, P> const & value);
+	GLM_DEPRECATED GLM_FUNC_DECL vecType<T, P> powerOfTwoNearest(vecType<T, P> const & value);
 
 	/// @}
 } //namespace glm