diff --git a/src/gui/opengl/qopenglfunctions.cpp b/src/gui/opengl/qopenglfunctions.cpp
index 7c17d3798b..d2cb4df022 100644
--- a/src/gui/opengl/qopenglfunctions.cpp
+++ b/src/gui/opengl/qopenglfunctions.cpp
@@ -562,13 +562,6 @@ bool QOpenGLExtensions::hasOpenGLExtension(QOpenGLExtensions::OpenGLExtension ex
     return (d->m_extensions & int(extension)) != 0;
 }
 
-/*!
-    \fn void QOpenGLFunctions::initializeGLFunctions()
-    \obsolete
-
-    Use initializeOpenGLFunctions() instead.
-*/
-
 /*!
     Initializes OpenGL function resolution for the current context.
 
diff --git a/src/gui/opengl/qopenglfunctions.h b/src/gui/opengl/qopenglfunctions.h
index 66bdac5ca5..76552cdd0e 100644
--- a/src/gui/opengl/qopenglfunctions.h
+++ b/src/gui/opengl/qopenglfunctions.h
@@ -269,10 +269,6 @@ public:
 
     void initializeOpenGLFunctions();
 
-#if QT_DEPRECATED_SINCE(5, 0)
-    QT_DEPRECATED void initializeGLFunctions() { initializeOpenGLFunctions(); }
-#endif
-
     // GLES2 + OpenGL1 common subset
     void glBindTexture(GLenum target, GLuint texture);
     void glBlendFunc(GLenum sfactor, GLenum dfactor);