diff --git a/ANNOUNCE b/ANNOUNCE
index 8447119ef..6cf3e4190 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.14beta06 - October 1, 2014
+Libpng 1.6.14beta06 - October 3, 2014
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -54,7 +54,8 @@ Version 1.6.14beta04 [September 27, 2014]
 Version 1.6.14beta05 [October 1, 2014]
   Added "option READ_iCCP enables READ_COMPRESSED_TEXT" to pnglibconf.dfa
 
-Version 1.6.14beta06 [October 1, 2014]
+Version 1.6.14beta06 [October 3, 2014]
+  Removed unused "text_len" parameter from private function png_write_zTXt().
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index c38e4be06..e2f6d3d27 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5007,7 +5007,8 @@ Version 1.6.14beta04 [September 27, 2014]
 Version 1.6.14beta05 [October 1, 2014]
   Added "option READ_iCCP enables READ_COMPRESSED_TEXT" to pnglibconf.dfa
 
-Version 1.6.14beta06 [October 1, 2014]
+Version 1.6.14beta06 [October 3, 2014]
+  Removed unused "text_len" parameter from private function png_write_zTXt().
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/pngpriv.h b/pngpriv.h
index 71a5ab456..aa63cfa47 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1090,7 +1090,7 @@ PNG_INTERNAL_FUNCTION(void,png_write_tEXt,(png_structrp png_ptr,
 
 #ifdef PNG_WRITE_zTXt_SUPPORTED
 PNG_INTERNAL_FUNCTION(void,png_write_zTXt,(png_structrp png_ptr, png_const_charp
-    key, png_const_charp text, png_size_t text_len, int compression),PNG_EMPTY);
+    key, png_const_charp text, int compression),PNG_EMPTY);
 #endif
 
 #ifdef PNG_WRITE_iTXt_SUPPORTED
diff --git a/pngwio.c b/pngwio.c
index 1b525f948..dfe8546ba 100644
--- a/pngwio.c
+++ b/pngwio.c
@@ -1,7 +1,7 @@
 
 /* pngwio.c - functions for data output
  *
- * Last changed in libpng 1.6.9 [February 6, 2014]
+ * Last changed in libpng 1.6.14 [(PENDING RELEASE)]
  * Copyright (c) 1998-2014 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngwrite.c b/pngwrite.c
index f03aeb2ce..ee78afcde 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * Last changed in libpng 1.6.11 [June 5, 2014]
+ * Last changed in libpng 1.6.14 [(PENDING RELEASE)]
  * Copyright (c) 1998-2014 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -305,8 +305,7 @@ png_write_info(png_structrp png_ptr, png_const_inforp info_ptr)
 #ifdef PNG_WRITE_zTXt_SUPPORTED
          /* Write compressed chunk */
          png_write_zTXt(png_ptr, info_ptr->text[i].key,
-             info_ptr->text[i].text, 0,
-             info_ptr->text[i].compression);
+             info_ptr->text[i].text, info_ptr->text[i].compression);
 #else
          png_warning(png_ptr, "Unable to write compressed text");
 #endif
@@ -399,8 +398,7 @@ png_write_end(png_structrp png_ptr, png_inforp info_ptr)
 #ifdef PNG_WRITE_zTXt_SUPPORTED
             /* Write compressed chunk */
             png_write_zTXt(png_ptr, info_ptr->text[i].key,
-                info_ptr->text[i].text, 0,
-                info_ptr->text[i].compression);
+                info_ptr->text[i].text, info_ptr->text[i].compression);
 #else
             png_warning(png_ptr, "Unable to write compressed text");
 #endif
diff --git a/pngwutil.c b/pngwutil.c
index 8a0b7f2ec..7990a3b52 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1621,14 +1621,13 @@ png_write_tEXt(png_structrp png_ptr, png_const_charp key, png_const_charp text,
 /* Write a compressed text chunk */
 void /* PRIVATE */
 png_write_zTXt(png_structrp png_ptr, png_const_charp key, png_const_charp text,
-    png_size_t text_len, int compression)
+    int compression)
 {
    png_uint_32 key_len;
    png_byte new_key[81];
    compression_state comp;
 
    png_debug(1, "in png_write_zTXt");
-   PNG_UNUSED(text_len) /* Always use strlen */
 
    if (compression == PNG_TEXT_COMPRESSION_NONE)
    {