diff --git a/docs/doxygen.conf.in b/docs/doxygen.conf.in
index d70ac1c..82513e4 100644
--- a/docs/doxygen.conf.in
+++ b/docs/doxygen.conf.in
@@ -437,7 +437,7 @@
 # included in the documentation.
 # The default value is: NO.
 
-EXTRACT_STATIC         = YES
+EXTRACT_STATIC         = NO
 
 # If the EXTRACT_LOCAL_CLASSES tag is set to YES, classes (and structs) defined
 # locally in source files will be included in the documentation. If set to NO,
@@ -1041,13 +1041,6 @@
 
 ALPHABETICAL_INDEX     = YES
 
-# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in
-# which the alphabetical index list will be split.
-# Minimum value: 1, maximum value: 20, default value: 5.
-# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
-
-COLS_IN_ALPHA_INDEX    = 5
-
 # In case all classes in a project start with a common prefix, all classes will
 # be put under the same header in the alphabetical index. The IGNORE_PREFIX tag
 # can be used to specify a prefix (or a list of prefixes) that should be ignored