diff --git a/cmake_templates/Doxyfile.in b/cmake_templates/Doxyfile.in
index d663785b2ce7..cd42b92d77b0 100644
--- a/cmake_templates/Doxyfile.in
+++ b/cmake_templates/Doxyfile.in
@@ -1585,7 +1585,7 @@ DOTFILE_DIRS           =
 # DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note
 # that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH.
 
-DOT_GRAPH_MAX_NODES    = 150
+DOT_GRAPH_MAX_NODES    = 50
 
 # The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the
 # graphs generated by dot. A depth value of 3 means that only nodes reachable