diff --git a/docs/Doxyfile.in b/docs/Doxyfile.in
index 4fa01d27c8466be1d9a33bf6b045c605484379d3..139300ea80b4e2c6f0abcd0fbbfcc16cdbec8912 100644
--- a/docs/Doxyfile.in
+++ b/docs/Doxyfile.in
@@ -1526,7 +1526,7 @@ ECLIPSE_DOC_ID         = org.doxygen.Project
 # The default value is: NO.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-DISABLE_INDEX          = NO
+DISABLE_INDEX          = YES
 
 # The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
 # structure should be generated to display hierarchical information. If the tag
@@ -1543,7 +1543,7 @@ DISABLE_INDEX          = NO
 # The default value is: NO.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-GENERATE_TREEVIEW      = NO
+GENERATE_TREEVIEW      = YES
 
 # The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
 # doxygen will group on one line in the generated HTML documentation.