diff --git a/community/openshadinglanguage/PKGBUILD b/community/openshadinglanguage/PKGBUILD
index bf1594dfd..20db534c0 100644
--- a/community/openshadinglanguage/PKGBUILD
+++ b/community/openshadinglanguage/PKGBUILD
@@ -6,7 +6,7 @@
 #  - set -DUSE_LLVM_BITCODE=OFF for v5 and v6
 
 pkgname=openshadinglanguage
-pkgver=1.5.4dev
+pkgver=1.5.7dev
 pkgrel=1
 pkgdesc="Advanced shading language for production GI renderers"
 arch=(i686 x86_64)
@@ -14,17 +14,12 @@ url="https://github.com/imageworks/OpenShadingLanguage"
 license=('custom')
 depends=('boost-libs' 'openimageio' 'openexr' 'llvm' 'freetype2' 'libpng' 'libtiff')
 makedepends=('boost' 'cmake' 'clang')
-source=(https://github.com/imageworks/OpenShadingLanguage/archive/Release-${pkgver}.tar.gz
-        https://github.com/imageworks/OpenShadingLanguage/pull/320.patch)
-md5sums=('4dda1fb2919d3440344d36ecbdf13d47'
-         '590137809ea344b41b1ad1e0fc81738c')
+source=(https://github.com/imageworks/OpenShadingLanguage/archive/Release-${pkgver}.tar.gz)
+md5sums=('582214c825897a7b879d780b55fb7b94')
 
 build() {
   cd OpenShadingLanguage-Release-$pkgver
 
-  # LLVM 3.4 build fix
-  patch -Np1 < $srcdir/320.patch
-
   cd src
 
   [[ -d build ]] && rm -r build
diff --git a/community/openshadinglanguage/llvm32.patch b/community/openshadinglanguage/llvm32.patch
deleted file mode 100644
index 5eb63bcf3..000000000
--- a/community/openshadinglanguage/llvm32.patch
+++ /dev/null
@@ -1,71 +0,0 @@
-commit c391ceb1936459b70147d6f8ac389ded26a7e028
-Author: Sven-Hendrik Haase <sh@lutzhaase.com>
-Date:   Fri Dec 28 09:00:33 2012 +0100
-
-    Fix for LLVM 3.2
-
-diff --git a/src/liboslexec/llvm_headers.h b/src/liboslexec/llvm_headers.h
-index 41a7a11..5ff4384 100644
---- a/src/liboslexec/llvm_headers.h
-+++ b/src/liboslexec/llvm_headers.h
-@@ -45,10 +45,18 @@ namespace llvm = LLVM_NAMESPACE;
- #include <llvm/LLVMContext.h>
- #include <llvm/Module.h>
- #include <llvm/PassManager.h>
-+#if OSL_LLVM_VERSION >= 32
-+#include <llvm/IRBuilder.h>
-+#else
- #include <llvm/Support/IRBuilder.h>
-+#endif
- #include <llvm/Support/ManagedStatic.h>
- #include <llvm/Support/MemoryBuffer.h>
- #include <llvm/Support/raw_ostream.h>
-+#if OSL_LLVM_VERSION >= 32
-+#include <llvm/DataLayout.h>
-+#else
- #include <llvm/Target/TargetData.h>
-+#endif
- 
- #endif /* OSL_LLVM_HEADERS_H */
-diff --git a/src/liboslexec/llvm_instance.cpp b/src/liboslexec/llvm_instance.cpp
-index 8709c8b..3e42557 100644
---- a/src/liboslexec/llvm_instance.cpp
-+++ b/src/liboslexec/llvm_instance.cpp
-@@ -1273,13 +1273,21 @@ RuntimeOptimizer::llvm_setup_optimization_passes ()
-     //
-     m_llvm_func_passes = new llvm::FunctionPassManager(llvm_module());
-     llvm::FunctionPassManager &fpm (*m_llvm_func_passes);
-+#if OSL_LLVM_VERSION >= 32
-+    fpm.add (new llvm::DataLayout(llvm_module()));
-+#else
-     fpm.add (new llvm::TargetData(llvm_module()));
-+#endif
- 
-     // Specify module-wide (interprocedural optimization) passes
-     //
-     m_llvm_passes = new llvm::PassManager;
-     llvm::PassManager &passes (*m_llvm_passes);
-+#if OSL_LLVM_VERSION >= 32
-+    passes.add (new llvm::DataLayout(llvm_module()));
-+#else
-     passes.add (new llvm::TargetData(llvm_module()));
-+#endif
- 
-     if (shadingsys().llvm_optimize() >= 1 && shadingsys().llvm_optimize() <= 3) {
-         // For LLVM 3.0 and higher, llvm_optimize 1-3 means to use the
-diff --git a/src/liboslexec/llvm_util.cpp b/src/liboslexec/llvm_util.cpp
-index 135da2e..4e0eefe 100644
---- a/src/liboslexec/llvm_util.cpp
-+++ b/src/liboslexec/llvm_util.cpp
-@@ -42,7 +42,11 @@ namespace pvt {
- llvm::Type *
- RuntimeOptimizer::llvm_type_union(const std::vector<llvm::Type *> &types)
- {
-+#if OSL_LLVM_VERSION >= 32
-+    llvm::DataLayout target(llvm_module());
-+#else
-     llvm::TargetData target(llvm_module());
-+#endif
-     size_t max_size = 0;
-     size_t max_align = 1;
-     for (size_t i = 0; i < types.size(); ++i) {