diff --git a/ANNOUNCE b/ANNOUNCE
index 5e0ae2109..dc23d5df1 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -556,6 +556,7 @@ version 1.4.0beta81 [September 23, 2009]
   Removed PNG_CONST from all "PNG_CONST PNG_CHNK" declarations to avoid
     compiler complaints about doubly declaring things "const".
   Changed some "#if defined(" to "ifdef"
+  Eliminated unused png_ptr->row_buf_size
 
 version 1.4.0betaN [future]
   Build shared libraries with -lz and sometimes -lm.
diff --git a/CHANGES b/CHANGES
index f8b809a1e..4d876813c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2242,6 +2242,7 @@ version 1.4.0beta81 [September 23, 2009]
   Removed PNG_CONST from all "PNG_CONST PNG_CHNK" declarations to avoid
     compiler complaints about doubly declaring things "const".
   Changed some "#if defined(" to "ifdef"
+  Eliminated unused png_ptr->row_buf_size
 
 version 1.4.0betaN [future]
   Build shared libraries with -lz and sometimes -lm.
diff --git a/png.h b/png.h
index 3383b3c6c..554435358 100644
--- a/png.h
+++ b/png.h
@@ -1275,11 +1275,6 @@ struct png_struct_def
    png_byte filter_type;
 #endif
 
-/* New member added in libpng-1.0.10, ifdef'ed out in 1.2.0 */
-#if (defined(PNG_DEBUG) && defined(PNG_USE_PNGGCCRD))
-   png_uint_32 row_buf_size;
-#endif
-
 /* New members added in libpng-1.2.0 */
 
 /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */