diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index f5c84a4e07..c94c8f550e 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -115,8 +115,6 @@ QGLSignalProxy *QGLSignalProxy::instance()
 
     \brief The QGL namespace specifies miscellaneous identifiers used
     in the Qt OpenGL module.
-
-    \ingroup painting-3D
 */
 
 /*!
@@ -167,8 +165,6 @@ QGLSignalProxy *QGLSignalProxy::instance()
     \brief The QGLFormat class specifies the display format of an OpenGL
     rendering context.
 
-    \ingroup painting-3D
-
     A display format has several characteristics:
     \list
     \li \l{setDoubleBuffer()}{Double or single buffering.}
@@ -1815,8 +1811,6 @@ struct DDSFormat {
 
     \brief The QGLContext class encapsulates an OpenGL rendering context.
 
-    \ingroup painting-3D
-
     An OpenGL rendering context is a complete set of OpenGL state
     variables. The rendering context's \l {QGL::FormatOption} {format}
     is set in the constructor, but it can also be set later with
@@ -3242,8 +3236,6 @@ void QGLContextPrivate::setCurrentContext(QGLContext *context)
 
     \brief The QGLWidget class is a widget for rendering OpenGL graphics.
 
-    \ingroup painting-3D
-
     QGLWidget provides functionality for displaying OpenGL graphics
     integrated into a Qt application. It is very simple to use. You
     inherit from it and use the subclass like any other QWidget,