diff --git a/development/tools/gen_lfuns.py b/development/tools/gen_lfuns.py
index 0fb93804a9..2c9c5ff429 100755
--- a/development/tools/gen_lfuns.py
+++ b/development/tools/gen_lfuns.py
@@ -13,7 +13,6 @@
 # gen_lfuns.py <path/to/LyXAction.cpp> <where/to/save/LFUNs.lyx>
 
 import sys,re,os.path
-from datetime import date
 
 def error(message):
     sys.stderr.write(message + '\n')
@@ -43,7 +42,7 @@ ID_DICT = dict(name=LFUN_NAME_ID, action=LFUN_ACTION_ID, notion=LFUN_NOTION_ID,
                 syntax=LFUN_SYNTAX_ID, params=LFUN_PARAMS_ID, sample=LFUN_SAMPLE_ID, origin=LFUN_ORIGIN_ID)
 
 LFUNS_HEADER = """# gen_lfuns.py generated this file. For more info see http://www.lyx.org/
-\\lyxformat 504
+\\lyxformat 506
 \\begin_document
 \\begin_header
 \\save_transient_properties true
@@ -145,9 +144,6 @@ The \\SpecialChar LyX
  Team
 \\end_layout
 
-\\begin_layout Date""" + "\n" + str(date.today()) + """
-\\end_layout
-
 """
 
 LFUNS_INTRO ="""\\begin_layout Section*
diff --git a/lib/doc/LFUNs.lyx b/lib/doc/LFUNs.lyx
index ff4068ac08..9828cb2d3f 100644
--- a/lib/doc/LFUNs.lyx
+++ b/lib/doc/LFUNs.lyx
@@ -101,10 +101,6 @@ The \SpecialChar LyX
  Team
 \end_layout
 
-\begin_layout Date
-2016-01-27
-\end_layout
-
 \begin_layout Section*
 About this manual
 \end_layout