diff --git a/libpng-CVE-2015-8126.patch b/libpng-CVE-2015-8126.patch
deleted file mode 100644
index 4b113a5..0000000
--- a/libpng-CVE-2015-8126.patch
+++ /dev/null
@@ -1,100 +0,0 @@
-diff --git a/pngrutil.c b/pngrutil.c
-index 8f8edbc..5ca4dcb 100644
---- a/pngrutil.c
-+++ b/pngrutil.c
-@@ -866,7 +866,7 @@ void /* PRIVATE */
- png_handle_PLTE(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
- {
-    png_color palette[PNG_MAX_PALETTE_LENGTH];
--   int num, i;
-+   int max_palette_length, num, i;
- #ifdef PNG_POINTER_INDEXING_SUPPORTED
-    png_colorp pal_ptr;
- #endif
-@@ -927,6 +927,14 @@ png_handle_PLTE(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
-    /* The cast is safe because 'length' is less than 3*PNG_MAX_PALETTE_LENGTH */
-    num = (int)length / 3;
- 
-+   if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
-+       max_palette_length = (1 << png_ptr->bit_depth);
-+   else
-+       max_palette_length = PNG_MAX_PALETTE_LENGTH;
-+
-+   if (num > max_palette_length)
-+       num = max_palette_length;
-+
- #ifdef PNG_POINTER_INDEXING_SUPPORTED
-    for (i = 0, pal_ptr = palette; i < num; i++, pal_ptr++)
-    {
-@@ -959,7 +967,7 @@ png_handle_PLTE(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
-    if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- #endif
-    {
--      png_crc_finish(png_ptr, 0);
-+      png_crc_finish(png_ptr, (int) length - num * 3);
-    }
- 
- #ifndef PNG_READ_OPT_PLTE_SUPPORTED
-diff --git a/pngset.c b/pngset.c
-index 5f62af1..42e0dc2 100644
---- a/pngset.c
-+++ b/pngset.c
-@@ -513,12 +513,17 @@ png_set_PLTE(png_structrp png_ptr, png_inforp info_ptr,
-     png_const_colorp palette, int num_palette)
- {
- 
-+   png_uint_32 max_palette_length;
-+
-    png_debug1(1, "in %s storage function", "PLTE");
- 
-    if (png_ptr == NULL || info_ptr == NULL)
-       return;
- 
--   if (num_palette < 0 || num_palette > PNG_MAX_PALETTE_LENGTH)
-+   max_palette_length = (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ?
-+      (1 << png_ptr->bit_depth) : PNG_MAX_PALETTE_LENGTH;
-+
-+   if (num_palette < 0 || num_palette > (int) max_palette_length)
-    {
-       if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
-          png_error(png_ptr, "Invalid palette length");
-diff --git a/pngwrite.c b/pngwrite.c
-index 3c8cbbe..39ef69e 100644
---- a/pngwrite.c
-+++ b/pngwrite.c
-@@ -206,7 +206,7 @@ png_write_info(png_structrp png_ptr, png_const_inforp info_ptr)
-       png_write_PLTE(png_ptr, info_ptr->palette,
-           (png_uint_32)info_ptr->num_palette);
- 
--   else if ((info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) !=0)
-+   else if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
-       png_error(png_ptr, "Valid palette required for paletted images");
- 
- #ifdef PNG_WRITE_tRNS_SUPPORTED
-diff --git a/pngwutil.c b/pngwutil.c
-index 9e6019e..01be584 100644
---- a/pngwutil.c
-+++ b/pngwutil.c
-@@ -922,17 +922,20 @@ void /* PRIVATE */
- png_write_PLTE(png_structrp png_ptr, png_const_colorp palette,
-     png_uint_32 num_pal)
- {
--   png_uint_32 i;
-+   png_uint_32 max_palette_length, i;
-    png_const_colorp pal_ptr;
-    png_byte buf[3];
- 
-    png_debug(1, "in png_write_PLTE");
- 
-+   max_palette_length = (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ?
-+       (1 << png_ptr->bit_depth) : PNG_MAX_PALETTE_LENGTH;
-+
-    if ((
- #ifdef PNG_MNG_FEATURES_SUPPORTED
-        (png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) == 0 &&
- #endif
--       num_pal == 0) || num_pal > 256)
-+       num_pal == 0) || num_pal > max_palette_length)
-    {
-       if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
-       {