diff --git a/mingw-w64-openscenegraph/PKGBUILD b/mingw-w64-openscenegraph/PKGBUILD
index 69a8838b3e..3d9c76f9c1 100644
--- a/mingw-w64-openscenegraph/PKGBUILD
+++ b/mingw-w64-openscenegraph/PKGBUILD
@@ -2,7 +2,7 @@
 
 _realname=OpenSceneGraph
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}" "${MINGW_PACKAGE_PREFIX}-${_realname}-debug")
-_pkgver=3.4.0-rc7
+_pkgver=3.4.0-rc8
 pkgver=${_pkgver//-/}
 pkgrel=1
 pkgdesc="Open source high performance 3D graphics toolkit (mingw-w64)"
@@ -42,14 +42,12 @@ source=(http://www.openscenegraph.org/downloads/developer_releases/${_realname}-
         find-collada.patch
         find-freetype.patch
         additional-gl-header.patch
-        fix-cast-error.patch
-        fix-whar_t-redeclare.patch)
-md5sums=('834a73fd62fcc26b39554093490b06d7'
+        fix-cast-error.patch)
+md5sums=('a9eb404b52bf62c3baf2b7c3c6282d6e'
          '18ce956c1889babc6515828b8200e864'
          '9ab69e1cd26826196fac5b3f01e6cb95'
          'e889e10100a1f3e07212c01603712594'
-         '5599204490bf9f03cdd5871b938e3338'
-         'c5800776305d26e9729ad1e1424371d5')
+         '5599204490bf9f03cdd5871b938e3338')
 
 prepare() {
   cd "${srcdir}/${_realname}-${_pkgver}"
@@ -57,7 +55,6 @@ prepare() {
   patch -p1 -i ${srcdir}/find-freetype.patch
   patch -p1 -i ${srcdir}/additional-gl-header.patch
   patch -p1 -i ${srcdir}/fix-cast-error.patch
-  patch -p1 -i ${srcdir}/fix-whar_t-redeclare.patch
 }
 
 build() {
diff --git a/mingw-w64-openscenegraph/fix-whar_t-redeclare.patch b/mingw-w64-openscenegraph/fix-whar_t-redeclare.patch
deleted file mode 100644
index 307e19a81e..0000000000
--- a/mingw-w64-openscenegraph/fix-whar_t-redeclare.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- OpenSceneGraph-3.4.0-rc7/src/osg/GL.in.orig	2015-07-29 10:38:24.890785100 +0300
-+++ OpenSceneGraph-3.4.0-rc7/src/osg/GL.in	2015-07-29 10:38:31.384135700 +0300
-@@ -96,7 +96,7 @@
-     #endif
- 
-     // XXX This is from Win32's <ctype.h>
--    #if !defined(_WCHAR_T_DEFINED) && !(defined(__GNUC__)&&((__GNUC__ == 3)||(__GNUC__ == 4)))
-+    #if !defined(_WCHAR_T_DEFINED) && !(defined(__GNUC__)&&(__GNUC__ > 2))
-         typedef unsigned short wchar_t;
-         #define _WCHAR_T_DEFINED
-     #endif