diff --git a/Manual_tools/src/latex_converter_config/html/cc_manual.sty b/Manual_tools/src/latex_converter_config/html/cc_manual.sty
index e1c114a18c9..c948f4f675e 100644
--- a/Manual_tools/src/latex_converter_config/html/cc_manual.sty
+++ b/Manual_tools/src/latex_converter_config/html/cc_manual.sty
@@ -43,8 +43,8 @@
 \newcommand{\lciIfRef}{\ccFalse}
 \gdef\lciFirstRefPageAlreadySeen{\lcFalse}%
 
-\newcommand{\ccUserChapter}[2]{\chapter{#1}}
-\newcommand{\ccRefChapter}[2]{%
+\newcommand{\ccUserChapter}[1]{\chapter{#1}}
+\newcommand{\ccRefChapter}[1]{%
  \chapter{#1\\
 Reference Manual}%
 }
diff --git a/Manual_tools/sty/cc_manual.sty b/Manual_tools/sty/cc_manual.sty
index 5a5eea602f0..a35f5e8c8ea 100644
--- a/Manual_tools/sty/cc_manual.sty
+++ b/Manual_tools/sty/cc_manual.sty
@@ -104,9 +104,9 @@
 % |
 % ###########################################################################
 
-\newcommand{\ccUserChapter}[2]{\chapter{#1}}
+\newcommand{\ccUserChapter}[1]{\chapter{#1}}
 
-\newcommand{\ccRefChapter}[2]{%
+\newcommand{\ccRefChapter}[1]{%
  \chapter{#1\\
 Reference Manual}%
 }