diff --git a/Source/cmCommandArgumentLexer.in.l b/Source/cmCommandArgumentLexer.in.l
index fdca61bfa..24a0eec85 100644
--- a/Source/cmCommandArgumentLexer.in.l
+++ b/Source/cmCommandArgumentLexer.in.l
@@ -22,6 +22,7 @@ Modify cmCommandArgumentLexer.cxx:
   - add #include "cmStandardIncludes.h" to top of file
   - put header block at top of file
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - remove "yyscanner" argument from these methods:
       yy_fatal_error, cmCommandArgument_yyalloc, cmCommandArgument_yyrealloc, cmCommandArgument_yyfree
   - remove all YY_BREAK lines occurring right after return statements
diff --git a/Source/cmCommandArgumentParser.y b/Source/cmCommandArgumentParser.y
index 3e700c80b..48f5c8ecd 100644
--- a/Source/cmCommandArgumentParser.y
+++ b/Source/cmCommandArgumentParser.y
@@ -20,6 +20,7 @@ Run bison like this:
 
 Modify cmCommandArgumentParser.cxx:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - put header block at top of file
 
 */
diff --git a/Source/cmDependsFortranLexer.in.l b/Source/cmDependsFortranLexer.in.l
index 40e80b719..01488024e 100644
--- a/Source/cmDependsFortranLexer.in.l
+++ b/Source/cmDependsFortranLexer.in.l
@@ -30,6 +30,7 @@ Run flex like this:
 
 Modify cmDependsFortranLexer.cxx:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - remove "yyscanner" argument from these methods:
       yy_fatal_error, cmDependsFortran_yyalloc, cmDependsFortran_yyrealloc, cmDependsFortran_yyfree
   - remove "yyscanner = NULL" from end of cmDependsFortran_yylex_destroy
diff --git a/Source/cmDependsFortranParser.y b/Source/cmDependsFortranParser.y
index 5681d698c..d814f3075 100644
--- a/Source/cmDependsFortranParser.y
+++ b/Source/cmDependsFortranParser.y
@@ -33,6 +33,7 @@ Run bison like this:
 
 Modify cmDependsFortranParser.cxx:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - Remove the yyerrorlab block in range ["goto yyerrlab1", "yyerrlab1:"]
 */
 
diff --git a/Source/cmDependsJavaLexer.in.l b/Source/cmDependsJavaLexer.in.l
index 9796ad52a..aa2f8a587 100644
--- a/Source/cmDependsJavaLexer.in.l
+++ b/Source/cmDependsJavaLexer.in.l
@@ -20,6 +20,7 @@ Run flex like this:
 
 Modify cmDependsJavaLexer.c:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - remove "yyscanner" argument from these methods:
       yy_fatal_error, cmDependsJava_yyalloc, cmDependsJava_yyrealloc, cmDependsJava_yyfree
   - remove all YY_BREAK lines occurring right after return statements
diff --git a/Source/cmDependsJavaParser.y b/Source/cmDependsJavaParser.y
index 53210b8ca..944d4b5ce 100644
--- a/Source/cmDependsJavaParser.y
+++ b/Source/cmDependsJavaParser.y
@@ -20,6 +20,7 @@ Run bison like this:
 
 Modify cmDependsJavaParser.cxx:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - add __HP_aCC to the #if test for yyerrorlab warning suppression
 
 */
diff --git a/Source/cmExprLexer.in.l b/Source/cmExprLexer.in.l
index f344b40ff..febd244fe 100644
--- a/Source/cmExprLexer.in.l
+++ b/Source/cmExprLexer.in.l
@@ -20,6 +20,7 @@ Run flex like this:
 
 Modify cmExprLexer.cxx:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - remove "yyscanner" argument from these methods:
       yy_fatal_error, cmExpr_yyalloc, cmExpr_yyrealloc, cmExpr_yyfree
   - remove all YY_BREAK lines occurring right after return statements
diff --git a/Source/cmExprParser.y b/Source/cmExprParser.y
index 317b0ba98..12c2e4806 100644
--- a/Source/cmExprParser.y
+++ b/Source/cmExprParser.y
@@ -20,6 +20,7 @@ Run bison like this:
 
 Modify cmExprParser.cxx:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - add __HP_aCC to the #if test for yyerrorlab warning suppression
 
 */
diff --git a/Source/cmListFileLexer.in.l b/Source/cmListFileLexer.in.l
index 41e817b1a..eedf49465 100644
--- a/Source/cmListFileLexer.in.l
+++ b/Source/cmListFileLexer.in.l
@@ -20,6 +20,7 @@ Run flex like this:
 
 Modify cmListFileLexer.c:
   - remove TABs
+  - remove use of the 'register' storage class specifier
   - remove the yyunput function
   - add a statement "(void)yyscanner;" to the top of these methods:
       yy_fatal_error, cmListFileLexer_yyalloc, cmListFileLexer_yyrealloc, cmListFileLexer_yyfree