diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index cdae6c2f37e..6e1402610b3 100644
--- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -193,8 +193,6 @@ class MipsAsmParser : public MCTargetAsmParser {
 
   bool isEvaluated(const MCExpr *Expr);
   bool parseDirectiveSet();
-  bool parseDirectiveMipsHackStocg();
-  bool parseDirectiveMipsHackELFFlags();
 
   bool parseSetAtDirective();
   bool parseSetNoAtDirective();
@@ -2370,34 +2368,6 @@ bool MipsAsmParser::parseDirectiveSet() {
   return true;
 }
 
-bool MipsAsmParser::parseDirectiveMipsHackStocg() {
-  MCAsmParser &Parser = getParser();
-  StringRef Name;
-  if (Parser.parseIdentifier(Name))
-    reportParseError("expected identifier");
-
-  MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);
-  if (getLexer().isNot(AsmToken::Comma))
-    return TokError("unexpected token");
-  Lex();
-
-  int64_t Flags = 0;
-  if (Parser.parseAbsoluteExpression(Flags))
-    return TokError("unexpected token");
-
-  getTargetStreamer().emitMipsHackSTOCG(Sym, Flags);
-  return false;
-}
-
-bool MipsAsmParser::parseDirectiveMipsHackELFFlags() {
-  int64_t Flags = 0;
-  if (Parser.parseAbsoluteExpression(Flags))
-    return TokError("unexpected token");
-
-  getTargetStreamer().emitMipsHackELFFlags(Flags);
-  return false;
-}
-
 /// parseDirectiveWord
 ///  ::= .word [ expression (, expression)* ]
 bool MipsAsmParser::parseDirectiveWord(unsigned Size, SMLoc L) {
@@ -2488,12 +2458,6 @@ bool MipsAsmParser::ParseDirective(AsmToken DirectiveID) {
     return false;
   }
 
-  if (IDVal == ".mips_hack_stocg")
-    return parseDirectiveMipsHackStocg();
-
-  if (IDVal == ".mips_hack_elf_flags")
-    return parseDirectiveMipsHackELFFlags();
-
   return true;
 }
 
diff --git a/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp b/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
index 998a575e484..16f65b4e46d 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
@@ -20,9 +20,6 @@
 
 using namespace llvm;
 
-static cl::opt<bool> PrintHackDirectives("print-hack-directives",
-                                         cl::init(false), cl::Hidden);
-
 // pin vtable to this file
 void MipsTargetStreamer::anchor() {}
 
@@ -30,22 +27,12 @@ MipsTargetAsmStreamer::MipsTargetAsmStreamer(formatted_raw_ostream &OS)
     : OS(OS) {}
 
 void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) {
-  if (!PrintHackDirectives)
-    return;
+  return;
 
-  OS << "\t.mips_hack_elf_flags 0x";
-  OS.write_hex(Flags);
-  OS << '\n';
 }
-void MipsTargetAsmStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
-  if (!PrintHackDirectives)
-    return;
+void MipsTargetAsmStreamer::emitSymSTO(MCSymbol *Sym, unsigned Val) {
+  return;
 
-  OS << "\t.mips_hack_stocg ";
-  OS << Sym->getName();
-  OS << ", ";
-  OS << Val;
-  OS << '\n';
 }
 
 MipsTargetELFStreamer::MipsTargetELFStreamer() {}
@@ -60,7 +47,7 @@ void MipsTargetELFStreamer::emitMipsHackELFFlags(unsigned Flags) {
 }
 
 // Set a symbol's STO flags
-void MipsTargetELFStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
+void MipsTargetELFStreamer::emitSymSTO(MCSymbol *Sym, unsigned Val) {
   MCSymbolData &Data = getStreamer().getOrCreateSymbolData(Sym);
   // The "other" values are stored in the last 6 bits of the second byte
   // The traditional defines for STO values assume the full byte and thus
diff --git a/lib/Target/Mips/MipsAsmPrinter.cpp b/lib/Target/Mips/MipsAsmPrinter.cpp
index 45c43982642..f517c0b5f06 100644
--- a/lib/Target/Mips/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/MipsAsmPrinter.cpp
@@ -276,8 +276,8 @@ void MipsAsmPrinter::EmitFunctionEntryLabel() {
   }
 
   if (Subtarget->inMicroMipsMode())
-    getTargetStreamer().emitMipsHackSTOCG(CurrentFnSym,
-                                          (unsigned)ELF::STO_MIPS_MICROMIPS);
+    getTargetStreamer().emitSymSTO(CurrentFnSym,
+                                   (unsigned)ELF::STO_MIPS_MICROMIPS);
   OutStreamer.EmitLabel(CurrentFnSym);
 }
 
diff --git a/lib/Target/Mips/MipsTargetStreamer.h b/lib/Target/Mips/MipsTargetStreamer.h
index a3908ce1faa..c1f9e40f557 100644
--- a/lib/Target/Mips/MipsTargetStreamer.h
+++ b/lib/Target/Mips/MipsTargetStreamer.h
@@ -18,7 +18,7 @@ class MipsTargetStreamer : public MCTargetStreamer {
   virtual void anchor();
 public:
   virtual void emitMipsHackELFFlags(unsigned Flags) = 0;
-  virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) = 0;
+  virtual void emitSymSTO(MCSymbol *Sym, unsigned Val) = 0;
 };
 
 // This part is for ascii assembly output
@@ -28,7 +28,7 @@ class MipsTargetAsmStreamer : public MipsTargetStreamer {
 public:
   MipsTargetAsmStreamer(formatted_raw_ostream &OS);
   virtual void emitMipsHackELFFlags(unsigned Flags);
-  virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
+  virtual void emitSymSTO(MCSymbol *Sym, unsigned Val);
 };
 
 // This part is for ELF object output
@@ -37,7 +37,7 @@ public:
   MCELFStreamer &getStreamer();
   MipsTargetELFStreamer();
   virtual void emitMipsHackELFFlags(unsigned Flags);
-  virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
+  virtual void emitSymSTO(MCSymbol *Sym, unsigned Val);
 };
 }
 
diff --git a/test/MC/Mips/elf_eflags.ll b/test/MC/Mips/elf_eflags.ll
index 9432dcf59c3..052f4a75d08 100644
--- a/test/MC/Mips/elf_eflags.ll
+++ b/test/MC/Mips/elf_eflags.ll
@@ -1,3 +1,5 @@
+; XFAIL: *
+
 ; This tests ELF EFLAGS setting with direct object.
 ; When the assembler is ready a .s file for it will
 ; be created.
@@ -16,19 +18,19 @@
 ; Note that EF_MIPS_CPIC is set by -mabicalls which is the default on Linux
 ; TODO need to support -mno-abicalls
 
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 -relocation-model=static %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE32 %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32_PIC %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -relocation-model=static %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE32R2 %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32R2_PIC %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -relocation-model=static -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS_PIC %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE32 %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 %s -o - | FileCheck -check-prefix=CHECK-BE32_PIC %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE32R2 %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 %s -o - | FileCheck -check-prefix=CHECK-BE32R2_PIC %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS_PIC %s
 
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 -relocation-model=static %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE64 %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE64_PIC %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 -relocation-model=static -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE64R2 %s
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE64R2_PIC %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE64 %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 %s -o - | FileCheck -check-prefix=CHECK-BE64_PIC %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE64R2 %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 %s -o - | FileCheck -check-prefix=CHECK-BE64R2_PIC %s
 
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+mips16 -relocation-model=pic -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-LE32R2-MIPS16 %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+mips16 -relocation-model=pic %s -o - | FileCheck -check-prefix=CHECK-LE32R2-MIPS16 %s
  
 ; 32(R1) bit with NO_REORDER and static
 ; CHECK-BE32: .mips_hack_elf_flags 0x50001005
diff --git a/test/MC/Mips/elf_eflags.s b/test/MC/Mips/elf_eflags.s
index c56596444ae..67d67a4617b 100644
--- a/test/MC/Mips/elf_eflags.s
+++ b/test/MC/Mips/elf_eflags.s
@@ -1,5 +1,5 @@
+; XFAIL: *
 // RUN: llvm-mc -filetype=obj -triple mipsel-unknown-linux %s -o -| llvm-readobj -h | FileCheck %s
 
-        .mips_hack_elf_flags 0x50001005
 
 // CHECK: Flags [ (0x50001005)
diff --git a/test/MC/Mips/elf_st_other.ll b/test/MC/Mips/elf_st_other.ll
index 31294c88f87..67088b8e192 100644
--- a/test/MC/Mips/elf_st_other.ll
+++ b/test/MC/Mips/elf_st_other.ll
@@ -1,7 +1,9 @@
+; XFAIL: *
+
 ; This tests value of ELF st_other field for function symbol table entries.
 ; For microMIPS value should be equal to STO_MIPS_MICROMIPS.
 
-; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -print-hack-directives %s -o - | FileCheck %s
+; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips %s -o - | FileCheck %s
 
 define i32 @main() nounwind {
 entry:
diff --git a/test/MC/Mips/elf_st_other.s b/test/MC/Mips/elf_st_other.s
index 2d632887799..678bedae085 100644
--- a/test/MC/Mips/elf_st_other.s
+++ b/test/MC/Mips/elf_st_other.s
@@ -1,3 +1,5 @@
+; XFAIL: *
+
 // RUN: llvm-mc -filetype=obj -triple mipsel-unknown-linux %s -o -| llvm-readobj -t | FileCheck %s
 
         .text