diff --git a/chvalid.c b/chvalid.c
index b80cc844..22f4a6c8 100644
--- a/chvalid.c
+++ b/chvalid.c
@@ -4,9 +4,6 @@
  *
  * This file is automatically generated from the cvs source
  * definition files using the genChRanges.py Python script
- *
- * Generation date: Mon Mar 27 11:09:48 2006
- * Sources: chvalid.def
  */
 
 #define IN_LIBXML
@@ -181,7 +178,7 @@ xmlCharInRange (unsigned int val, const xmlChRangeGroup *rptr) {
 	    if ((unsigned short) val < sptr[mid].low) {
 		high = mid - 1;
 	    } else {
-	        if ((unsigned short) val > sptr[mid].high) {
+		if ((unsigned short) val > sptr[mid].high) {
 		    low = mid + 1;
 		} else {
 		    return 1;
@@ -200,7 +197,7 @@ xmlCharInRange (unsigned int val, const xmlChRangeGroup *rptr) {
 	    if (val < lptr[mid].low) {
 		high = mid - 1;
 	    } else {
-	        if (val > lptr[mid].high) {
+		if (val > lptr[mid].high) {
 		    low = mid + 1;
 		} else {
 		    return 1;
diff --git a/include/libxml/chvalid.h b/include/libxml/chvalid.h
index 8144f08b..2a172d74 100644
--- a/include/libxml/chvalid.h
+++ b/include/libxml/chvalid.h
@@ -1,16 +1,13 @@
 /**
  * @file
- * 
+ *
  * @brief Unicode character range checking
- * 
+ *
  * this module exports interfaces for the character
  *               range validation APIs
  *
  * This file is automatically generated from the cvs source
  * definition files using the genChRanges.py Python script
- *
- * Generation date: Mon Mar 27 11:09:48 2006
- * Sources: chvalid.def
  */
 
 #ifndef __XML_CHVALID_H__
@@ -66,7 +63,6 @@ XMLPUBVAR const unsigned char xmlIsPubidChar_tab[256];
 XMLPUBFUN int
 		xmlCharInRange(unsigned int val, const xmlChRangeGroup *group);
 
-
 /** @endcond */
 
 /**
diff --git a/testapi.c b/testapi.c
index 14fb2659..3c6f7bb4 100644
--- a/testapi.c
+++ b/testapi.c
@@ -95,7 +95,6 @@ main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
     xmlCharEncInFunc(NULL, NULL, NULL);
     xmlCharEncNewCustomHandler(NULL, 0, 0, 0, NULL, NULL, NULL);
     xmlCharEncOutFunc(NULL, NULL, NULL);
-    xmlCharInRange(0, NULL);
     xmlFree(xmlCharStrdup(NULL));
     xmlFree(xmlCharStrndup(NULL, 0));
     xmlCheckFilename(NULL);
diff --git a/xmlunicode.c b/xmlunicode.c
index 1826ac47..73914a69 100644
--- a/xmlunicode.c
+++ b/xmlunicode.c
@@ -5,9 +5,6 @@
  * UCS description files of the Unicode Character Database
  * http://www.unicode.org/Public/4.0-Update1/UCD-4.0.1.html
  * using the genUnicode.py Python script.
- *
- * Generation date: Tue Mar  4 16:29:31 2025
- * Sources: Blocks-4.0.1.txt UnicodeData-4.0.1.txt
  */
 
 #define IN_LIBXML