diff --git a/irr/include/SSkinMeshBuffer.h b/irr/include/SSkinMeshBuffer.h
index 2f39922e7fe5b..5c5f49b8a67ac 100644
--- a/irr/include/SSkinMeshBuffer.h
+++ b/irr/include/SSkinMeshBuffer.h
@@ -28,8 +28,8 @@ struct SSkinMeshBuffer : public IMeshBuffer
 	SSkinMeshBuffer(std::vector<video::S3DVertex> &&vertices, std::vector<u16> &&indices) :
 			SSkinMeshBuffer()
 	{
-		Vertices_Standard = vertices;
-		Indices = indices;
+		Vertices_Standard = std::forward(vertices);
+		Indices = std::forward(indices);
 	}
 
 	//! Get Material of this buffer.
diff --git a/irr/include/irrArray.h b/irr/include/irrArray.h
index 2deb356095ba6..1bb3a3bc6977e 100644
--- a/irr/include/irrArray.h
+++ b/irr/include/irrArray.h
@@ -45,8 +45,8 @@ class array
 	{
 	}
 
-	//! Move constructor
-	array(std::vector<T> &&data) : m_data(data), is_sorted(false) {}
+	array(std::vector<T> &&data) :
+			m_data(std::forward(data)), is_sorted(false) {}
 
 	//! Reallocates the array, make it bigger or smaller.
 	/** \param new_size New size of array.
diff --git a/irr/include/irrString.h b/irr/include/irrString.h
index 8669aec18d5c1..6b5ef7dce5db0 100644
--- a/irr/include/irrString.h
+++ b/irr/include/irrString.h
@@ -79,11 +79,7 @@ class string
 		*this = other;
 	}
 
-	//! Copy (from standard library string) constructor
-	string(const stl_type &str) : str(str) {}
-
-	//! Move (from standard library string) constructor
-	string(stl_type &&str) : str(str) {}
+	string(stl_type &&str) : str(std::forward(str)) {}
 
 	//! Constructor from other string types
 	template <class B>