diff --git a/examples/opengl/doc/src/cube.qdoc b/examples/opengl/doc/src/cube.qdoc
index cbcc460bf59..d01985701c1 100644
--- a/examples/opengl/doc/src/cube.qdoc
+++ b/examples/opengl/doc/src/cube.qdoc
@@ -5,7 +5,7 @@
     \example cube
     \ingroup examples-widgets-opengl
     \title Cube OpenGL ES 2.0 example
-    \examplecategory {Data Visualization & 3D}
+    \examplecategory {3D}
 
     \brief Shows how to manually rotate a textured 3D cube with user input.
 
diff --git a/examples/opengl/doc/src/hellogl2.qdoc b/examples/opengl/doc/src/hellogl2.qdoc
index bb85e7ee6f7..29e8ef85cd1 100644
--- a/examples/opengl/doc/src/hellogl2.qdoc
+++ b/examples/opengl/doc/src/hellogl2.qdoc
@@ -5,7 +5,7 @@
     \example hellogl2
     \title Hello GL2 Example
     \ingroup examples-widgets-opengl
-    \examplecategory {Data Visualization & 3D}
+    \examplecategory {3D}
 
     \brief The Hello GL2 example demonstrates the basic use of the OpenGL-related classes
     provided with Qt.