diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 5cc7a31ea0..d757c6f92e 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -319,7 +319,7 @@ DOT_FONTPATH           =
 DOT_COMMON_ATTR        = "fontname=Helvetica,fontsize=10"
 DOT_EDGE_ATTR          = "labelfontname=Helvetica,labelfontsize=10"
 DOT_NODE_ATTR          = "shape=box,height=0.2,width=0.4"
-CLASS_GRAPH            = YES
+CLASS_GRAPH            = NO
 COLLABORATION_GRAPH    = YES
 GROUP_GRAPHS           = NO
 UML_LOOK               = YES