diff --git a/pkgs/development/compilers/llvm/3.7/clang/default.nix b/pkgs/development/compilers/llvm/3.7/clang/default.nix
index 9fb212b9c05..e6369b1167e 100644
--- a/pkgs/development/compilers/llvm/3.7/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.7/clang/default.nix
@@ -6,7 +6,7 @@ in stdenv.mkDerivation {
   name = "clang-${version}";
 
   unpackPhase = ''
-    unpackFile ${fetch "cfe" "1k517b0jj74c4vgnnd4ikbrpb96na541bi8q845ckw8xm72l1msf"}
+    unpackFile ${fetch "cfe" "0x065d0w9b51xvdjxwfzjxng0gzpbx45fgiaxpap45ragi61dqjn"}
     mv cfe-${version}.src clang
     sourceRoot=$PWD/clang
     unpackFile ${clang-tools-extra_src}
diff --git a/pkgs/development/compilers/llvm/3.7/default.nix b/pkgs/development/compilers/llvm/3.7/default.nix
index cbd0f89ae08..d7864d11d7b 100644
--- a/pkgs/development/compilers/llvm/3.7/default.nix
+++ b/pkgs/development/compilers/llvm/3.7/default.nix
@@ -2,7 +2,7 @@
 let
   callPackage = newScope (self // { inherit stdenv isl version fetch; });
 
-  version = "3.7.0";
+  version = "3.7.1";
 
   fetch = fetch_v version;
   fetch_v = ver: name: sha256: fetchurl {
@@ -10,8 +10,8 @@ let
     inherit sha256;
   };
 
-  compiler-rt_src = fetch "compiler-rt" "02rbsqdnj1dw9q3d8w5wwmvz5gfraiv8xp18lis4kj8baacajzr2";
-  clang-tools-extra_src = fetch "clang-tools-extra" "1k894zkx4w8grigmgv5y4q9zrcic2ypz0zfn28270ykbm6is1s4a";
+  compiler-rt_src = fetch "compiler-rt" "10c1mz2q4bdq9bqfgr3dirc6hz1h3sq8573srd5q5lr7m7j6jiwx";
+  clang-tools-extra_src = fetch "clang-tools-extra" "0sxw2l3q5msbrwxv1ck72arggdw6n5ysi929gi69ikniranfv4aa";
 
   self = {
     llvm = callPackage ./llvm.nix {
diff --git a/pkgs/development/compilers/llvm/3.7/libc++/default.nix b/pkgs/development/compilers/llvm/3.7/libc++/default.nix
index db1475cfc14..00bfb3518b1 100644
--- a/pkgs/development/compilers/llvm/3.7/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/3.7/libc++/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation rec {
   name = "libc++-${version}";
 
-  src = fetch "libcxx" "13nh78zp5d2jf732mxnalw679zjywbjpz9942j66fznd6f1kr3y1";
+  src = fetch "libcxx" "0i7iyzk024krda5spfpfi8jksh83yp3bxqkal0xp76ffi11bszrm";
 
   postUnpack = ''
     unpackFile ${libcxxabi.src}
diff --git a/pkgs/development/compilers/llvm/3.7/libc++abi.nix b/pkgs/development/compilers/llvm/3.7/libc++abi.nix
index a495e1860ad..ec0be51a11c 100644
--- a/pkgs/development/compilers/llvm/3.7/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/3.7/libc++abi.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libc++abi-${version}";
 
-  src = fetch "libcxxabi" "1swvnhrf9g67579c5picg0l869f8l2bwi4xqpbcb4n296gyp9c28";
+  src = fetch "libcxxabi" "0ambfcmr2nh88hx000xb7yjm9lsqjjz49w5mlf6dlxzmj3nslzx4";
 
   buildInputs = [ cmake ] ++ stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD) libunwind;
 
diff --git a/pkgs/development/compilers/llvm/3.7/lldb.nix b/pkgs/development/compilers/llvm/3.7/lldb.nix
index 60f1550dd44..fe69130e71a 100644
--- a/pkgs/development/compilers/llvm/3.7/lldb.nix
+++ b/pkgs/development/compilers/llvm/3.7/lldb.nix
@@ -15,7 +15,7 @@
 stdenv.mkDerivation {
   name = "lldb-${version}";
 
-  src = fetch "lldb" "1sbi9c6c4m73wfw249dn0n2974p444i03brk82m4w10iq5dm1mzl";
+  src = fetch "lldb" "008fdbyza13ym3v0xpans4z4azw4y16hcbgrrnc4rx2mxwaw62ws";
 
   patchPhase = ''
     sed -i 's|/usr/bin/env||' \
diff --git a/pkgs/development/compilers/llvm/3.7/llvm.nix b/pkgs/development/compilers/llvm/3.7/llvm.nix
index bbeb0c858e5..393e889024b 100644
--- a/pkgs/development/compilers/llvm/3.7/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.7/llvm.nix
@@ -18,15 +18,10 @@
 }:
 
 let
-  src = fetch "llvm" "0lrirklh4nrcb078qc2f6vbmmc34kxqgsy9s18a1xbfdkmgqjidb";
+  src = fetch "llvm" "1masakdp9g2dan1yrazg7md5am2vacbkb3nahb3dchpc1knr8xxy";
 in stdenv.mkDerivation rec {
   name = "llvm-${version}";
 
-  patches = [
-    # Backport for Rust, remove when 3.7.1 is released
-    ./r242372-fix-LLVMBuildLandingPad.patch
-  ];
-
   unpackPhase = ''
     unpackFile ${src}
     mv llvm-${version}.src llvm
diff --git a/pkgs/development/compilers/llvm/3.7/r242372-fix-LLVMBuildLandingPad.patch b/pkgs/development/compilers/llvm/3.7/r242372-fix-LLVMBuildLandingPad.patch
deleted file mode 100644
index 749de6e9b6a..00000000000
--- a/pkgs/development/compilers/llvm/3.7/r242372-fix-LLVMBuildLandingPad.patch
+++ /dev/null
@@ -1,60 +0,0 @@
-Index: llvm/bindings/ocaml/llvm/llvm_ocaml.c
-===================================================================
---- llvm/bindings/ocaml/llvm/llvm_ocaml.c	(revision 242371)
-+++ llvm/bindings/ocaml/llvm/llvm_ocaml.c	(revision 242372)
-@@ -1745,7 +1745,7 @@
- CAMLprim LLVMValueRef llvm_build_landingpad(LLVMTypeRef Ty, LLVMValueRef PersFn,
-                                             value NumClauses,  value Name,
-                                             value B) {
--    return LLVMBuildLandingPad(Builder_val(B), Ty, Int_val(NumClauses),
-+    return LLVMBuildLandingPad(Builder_val(B), Ty, PersFn, Int_val(NumClauses),
-                                String_val(Name));
- }
- 
-Index: llvm/bindings/go/llvm/ir.go
-===================================================================
---- llvm/bindings/go/llvm/ir.go	(revision 242371)
-+++ llvm/bindings/go/llvm/ir.go	(revision 242372)
-@@ -1731,7 +1731,7 @@
- func (b Builder) CreateLandingPad(t Type, nclauses int, name string) (l Value) {
- 	cname := C.CString(name)
- 	defer C.free(unsafe.Pointer(cname))
--	l.C = C.LLVMBuildLandingPad(b.C, t.C, C.unsigned(nclauses), cname)
-+	l.C = C.LLVMBuildLandingPad(b.C, t.C, nil, C.unsigned(nclauses), cname)
- 	return l
- }
- 
-Index: llvm/lib/IR/Core.cpp
-===================================================================
---- llvm/lib/IR/Core.cpp	(revision 242371)
-+++ llvm/lib/IR/Core.cpp	(revision 242372)
-@@ -2257,7 +2257,14 @@
- }
- 
- LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
--                                 unsigned NumClauses, const char *Name) {
-+                                 LLVMValueRef PersFn, unsigned NumClauses,
-+                                 const char *Name) {
-+  // The personality used to live on the landingpad instruction, but now it
-+  // lives on the parent function. For compatibility, take the provided
-+  // personality and put it on the parent function.
-+  if (PersFn)
-+    unwrap(B)->GetInsertBlock()->getParent()->setPersonalityFn(
-+        cast<Function>(unwrap(PersFn)));
-   return wrap(unwrap(B)->CreateLandingPad(unwrap(Ty), NumClauses, Name));
- }
- 
-Index: llvm/include/llvm-c/Core.h
-===================================================================
---- llvm/include/llvm-c/Core.h	(revision 242371)
-+++ llvm/include/llvm-c/Core.h	(revision 242372)
-@@ -2675,7 +2675,8 @@
-                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
-                              const char *Name);
- LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
--                                 unsigned NumClauses, const char *Name);
-+                                 LLVMValueRef PersFn, unsigned NumClauses,
-+                                 const char *Name);
- LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
- LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
-