diff --git a/lib/Target/ARM/ARMTargetObjectFile.cpp b/lib/Target/ARM/ARMTargetObjectFile.cpp
index 163971f..7535da5 100644
--- a/lib/Target/ARM/ARMTargetObjectFile.cpp
+++ b/lib/Target/ARM/ARMTargetObjectFile.cpp
@@ -28,13 +28,13 @@
   if (TM.getSubtarget<ARMSubtarget>().isAAPCS_ABI()) {
     StaticCtorSection =
       getContext().getELFSection(".init_array", ELF::SHT_INIT_ARRAY,
-                                 MCSectionELF::SHF_WRITE |
-                                 MCSectionELF::SHF_ALLOC,
+                                 ELF::SHF_WRITE |
+                                 ELF::SHF_ALLOC,
                                  SectionKind::getDataRel());
     StaticDtorSection =
       getContext().getELFSection(".fini_array", ELF::SHT_FINI_ARRAY,
-                                 MCSectionELF::SHF_WRITE |
-                                 MCSectionELF::SHF_ALLOC,
+                                 ELF::SHF_WRITE |
+                                 ELF::SHF_ALLOC,
                                  SectionKind::getDataRel());
   }
   
diff --git a/lib/Target/MBlaze/MBlazeTargetObjectFile.cpp b/lib/Target/MBlaze/MBlazeTargetObjectFile.cpp
index a9c152d..abd1b0b 100644
--- a/lib/Target/MBlaze/MBlazeTargetObjectFile.cpp
+++ b/lib/Target/MBlaze/MBlazeTargetObjectFile.cpp
@@ -25,12 +25,12 @@
 
   SmallDataSection =
     getContext().getELFSection(".sdata", ELF::SHT_PROGBITS,
-                               MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC,
+                               ELF::SHF_WRITE |ELF::SHF_ALLOC,
                                SectionKind::getDataRel());
 
   SmallBSSSection =
     getContext().getELFSection(".sbss", ELF::SHT_NOBITS,
-                               MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC,
+                               ELF::SHF_WRITE |ELF::SHF_ALLOC,
                                SectionKind::getBSS());
 
 }
diff --git a/lib/Target/Mips/MipsTargetObjectFile.cpp b/lib/Target/Mips/MipsTargetObjectFile.cpp
index 07a130b..cf5d1b5 100644
--- a/lib/Target/Mips/MipsTargetObjectFile.cpp
+++ b/lib/Target/Mips/MipsTargetObjectFile.cpp
@@ -29,12 +29,12 @@
 
   SmallDataSection =
     getContext().getELFSection(".sdata", ELF::SHT_PROGBITS,
-                               MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC,
+                               ELF::SHF_WRITE |ELF::SHF_ALLOC,
                                SectionKind::getDataRel());
 
   SmallBSSSection =
     getContext().getELFSection(".sbss", ELF::SHT_NOBITS,
-                               MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC,
+                               ELF::SHF_WRITE |ELF::SHF_ALLOC,
                                SectionKind::getBSS());
 
 }
diff --git a/lib/Target/X86/X86AsmBackend.cpp b/lib/Target/X86/X86AsmBackend.cpp
index 0a6cd9c..21befd9 100644
--- a/lib/Target/X86/X86AsmBackend.cpp
+++ b/lib/Target/X86/X86AsmBackend.cpp
@@ -297,7 +297,7 @@
 
   virtual bool doesSectionRequireSymbols(const MCSection &Section) const {
     const MCSectionELF &ES = static_cast<const MCSectionELF&>(Section);
-    return ES.getFlags() & MCSectionELF::SHF_MERGE;
+    return ES.getFlags() & ELF::SHF_MERGE;
   }
 };
 
diff --git a/lib/Target/XCore/XCoreTargetObjectFile.cpp b/lib/Target/XCore/XCoreTargetObjectFile.cpp
index faf61c9..7f4e1c1 100644
--- a/lib/Target/XCore/XCoreTargetObjectFile.cpp
+++ b/lib/Target/XCore/XCoreTargetObjectFile.cpp
@@ -21,29 +21,29 @@
 
   DataSection =
     Ctx.getELFSection(".dp.data", ELF::SHT_PROGBITS, 
-                      MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
-                      MCSectionELF::XCORE_SHF_DP_SECTION,
+                      ELF::SHF_ALLOC | ELF::SHF_WRITE |
+                      ELF::XCORE_SHF_DP_SECTION,
                       SectionKind::getDataRel());
   BSSSection =
     Ctx.getELFSection(".dp.bss", ELF::SHT_NOBITS,
-                      MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
-                      MCSectionELF::XCORE_SHF_DP_SECTION,
+                      ELF::SHF_ALLOC | ELF::SHF_WRITE |
+                      ELF::XCORE_SHF_DP_SECTION,
                       SectionKind::getBSS());
   
   MergeableConst4Section = 
     Ctx.getELFSection(".cp.rodata.cst4", ELF::SHT_PROGBITS,
-                      MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
-                      MCSectionELF::XCORE_SHF_CP_SECTION,
+                      ELF::SHF_ALLOC | ELF::SHF_MERGE |
+                      ELF::XCORE_SHF_CP_SECTION,
                       SectionKind::getMergeableConst4());
   MergeableConst8Section = 
     Ctx.getELFSection(".cp.rodata.cst8", ELF::SHT_PROGBITS,
-                      MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
-                      MCSectionELF::XCORE_SHF_CP_SECTION,
+                      ELF::SHF_ALLOC | ELF::SHF_MERGE |
+                      ELF::XCORE_SHF_CP_SECTION,
                       SectionKind::getMergeableConst8());
   MergeableConst16Section = 
     Ctx.getELFSection(".cp.rodata.cst16", ELF::SHT_PROGBITS,
-                      MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
-                      MCSectionELF::XCORE_SHF_CP_SECTION,
+                      ELF::SHF_ALLOC | ELF::SHF_MERGE |
+                      ELF::XCORE_SHF_CP_SECTION,
                       SectionKind::getMergeableConst16());
   
   // TLS globals are lowered in the backend to arrays indexed by the current
@@ -54,8 +54,8 @@
 
   ReadOnlySection = 
     Ctx.getELFSection(".cp.rodata", ELF::SHT_PROGBITS,
-                      MCSectionELF::SHF_ALLOC |
-                      MCSectionELF::XCORE_SHF_CP_SECTION,
+                      ELF::SHF_ALLOC |
+                      ELF::XCORE_SHF_CP_SECTION,
                       SectionKind::getReadOnlyWithRel());
 
   // Dynamic linking is not supported. Data with relocations is placed in the