diff --git a/lib/Target/X86/X86LegalizerInfo.cpp b/lib/Target/X86/X86LegalizerInfo.cpp
index 82c74e1..b859415 100644
--- a/lib/Target/X86/X86LegalizerInfo.cpp
+++ b/lib/Target/X86/X86LegalizerInfo.cpp
@@ -231,13 +231,9 @@
   setLegalizerInfo64bit();
   setLegalizerInfoSSE1();
   setLegalizerInfoSSE2();
-  setLegalizerInfoSSE41();
-  setLegalizerInfoSSE42();
   setLegalizerInfoAVX();
   setLegalizerInfoAVX2();
   setLegalizerInfoAVX512();
-  setLegalizerInfoAVX512DQ();
-  setLegalizerInfoAVX512BW();
 
   getActionDefinitionsBuilder(G_INTRINSIC_ROUNDEVEN)
     .scalarize(0)
@@ -502,16 +498,6 @@
   }
 }
 
-void X86LegalizerInfo::setLegalizerInfoSSE41() {
-  if (!Subtarget.hasSSE41())
-    return;
-}
-
-void X86LegalizerInfo::setLegalizerInfoSSE42() {
-  if (!Subtarget.hasSSE42())
-    return;
-}
-
 void X86LegalizerInfo::setLegalizerInfoAVX() {
   if (!Subtarget.hasAVX())
     return;
@@ -622,13 +608,3 @@
     LegacyInfo.setAction({G_EXTRACT, Ty}, LegacyLegalizeActions::Legal);
   }
 }
-
-void X86LegalizerInfo::setLegalizerInfoAVX512DQ() {
-  if (!(Subtarget.hasAVX512() && Subtarget.hasDQI()))
-    return;
-}
-
-void X86LegalizerInfo::setLegalizerInfoAVX512BW() {
-  if (!(Subtarget.hasAVX512() && Subtarget.hasBWI()))
-    return;
-}
diff --git a/lib/Target/X86/X86LegalizerInfo.h b/lib/Target/X86/X86LegalizerInfo.h
index cdde42f..79fc7e9 100644
--- a/lib/Target/X86/X86LegalizerInfo.h
+++ b/lib/Target/X86/X86LegalizerInfo.h
@@ -40,13 +40,9 @@
   void setLegalizerInfo64bit();
   void setLegalizerInfoSSE1();
   void setLegalizerInfoSSE2();
-  void setLegalizerInfoSSE41();
-  void setLegalizerInfoSSE42();
   void setLegalizerInfoAVX();
   void setLegalizerInfoAVX2();
   void setLegalizerInfoAVX512();
-  void setLegalizerInfoAVX512DQ();
-  void setLegalizerInfoAVX512BW();
 };
 } // namespace llvm
 #endif