diff --git a/src/toolsComm/flex/flex.skel b/src/toolsComm/flex/flex.skel
index 68096e929..72ab0c379 100644
--- a/src/toolsComm/flex/flex.skel
+++ b/src/toolsComm/flex/flex.skel
@@ -22,13 +22,8 @@
 #include <stdlib.h>
 #include <osfcn.h>
 
-/* the "const" storage-class-modifier is valid */
-#define YY_USE_CONST
-
 #else	/* ! __cplusplus */
 
-#ifdef __STDC__
-
 #ifdef __GNUC__
 #include <stddef.h>
 void *malloc( size_t );
@@ -37,22 +32,9 @@ void free( void* );
 #include <stdlib.h>
 #endif	/* __GNUC__ */
 
-#define YY_USE_CONST
-
-#endif	/* __STDC__ */
 #endif	/* ! __cplusplus */
 
 
-#ifdef __TURBOC__
-#define YY_USE_CONST
-#endif
-
-
-#ifndef YY_USE_CONST
-#define const
-#endif
-
-
 /* amount of stuff to slurp up with each read */
 #ifndef YY_READ_BUF_SIZE
 #define YY_READ_BUF_SIZE 8192
diff --git a/src/toolsComm/flex/flex.skel.static b/src/toolsComm/flex/flex.skel.static
index 62e9f28c8..a52306c20 100644
--- a/src/toolsComm/flex/flex.skel.static
+++ b/src/toolsComm/flex/flex.skel.static
@@ -11,15 +11,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-/* the "const" storage-class-modifier is valid */
-#define YY_USE_CONST
-
-
-#ifndef YY_USE_CONST
-#define const
-#endif
-
-
 /* amount of stuff to slurp up with each read */
 #ifndef YY_READ_BUF_SIZE
 #define YY_READ_BUF_SIZE 8192
diff --git a/src/toolsComm/flex/scan.c b/src/toolsComm/flex/scan.c
index 5d95fea89..4674fd85f 100644
--- a/src/toolsComm/flex/scan.c
+++ b/src/toolsComm/flex/scan.c
@@ -22,13 +22,7 @@
 #include <stdlib.h>
 #include <osfcn.h>
 
-/* the "const" storage-class-modifier is valid */
-#define YY_USE_CONST
-
 #else	/* ! __cplusplus */
-
-#ifdef __STDC__
-
 #ifdef __GNUC__
 #include <stddef.h>
 void *malloc( size_t );
@@ -37,22 +31,9 @@ void free( void* );
 #include <stdlib.h>
 #endif	/* __GNUC__ */
 
-#define YY_USE_CONST
-
-#endif	/* __STDC__ */
 #endif	/* ! __cplusplus */
 
 
-#ifdef __TURBOC__
-#define YY_USE_CONST
-#endif
-
-
-#ifndef YY_USE_CONST
-#define const
-#endif
-
-
 /* amount of stuff to slurp up with each read */
 #ifndef YY_READ_BUF_SIZE
 #define YY_READ_BUF_SIZE 8192