diff --git a/clang/lib/Sema/HLSLExternalSemaSource.cpp b/clang/lib/Sema/HLSLExternalSemaSource.cpp
index ce8564429b380..a8365448de724 100644
--- a/clang/lib/Sema/HLSLExternalSemaSource.cpp
+++ b/clang/lib/Sema/HLSLExternalSemaSource.cpp
@@ -14,8 +14,6 @@
 #include "clang/AST/Attr.h"
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/Type.h"
-#include "clang/Basic/AttrKinds.h"
-#include "clang/Basic/HLSLRuntime.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Sema/Lookup.h"
 #include "clang/Sema/Sema.h"
@@ -164,16 +162,7 @@ struct BuiltinTypeDeclBuilder {
                                VD, false, NameInfo, Ty, VK_PRValue);
   }
 
-  static Expr *emitResourceClassExpr(ASTContext &AST, ResourceClass RC) {
-    return IntegerLiteral::Create(
-        AST,
-        llvm::APInt(AST.getIntWidth(AST.UnsignedCharTy),
-                    static_cast<uint8_t>(RC)),
-        AST.UnsignedCharTy, SourceLocation());
-  }
-
-  BuiltinTypeDeclBuilder &addDefaultHandleConstructor(Sema &S,
-                                                      ResourceClass RC) {
+  BuiltinTypeDeclBuilder &addDefaultHandleConstructor(Sema &S) {
     if (Record->isCompleteDefinition())
       return *this;
     ASTContext &AST = Record->getASTContext();
@@ -480,7 +469,7 @@ static BuiltinTypeDeclBuilder setupBufferType(CXXRecordDecl *Decl, Sema &S,
                                               bool IsROV, bool RawBuffer) {
   return BuiltinTypeDeclBuilder(Decl)
       .addHandleMember(S, RC, RK, IsROV, RawBuffer)
-      .addDefaultHandleConstructor(S, RC);
+      .addDefaultHandleConstructor(S);
 }
 
 void HLSLExternalSemaSource::defineHLSLTypesWithForwardDeclarations() {
diff --git a/clang/test/AST/HLSL/RWBuffer-AST.hlsl b/clang/test/AST/HLSL/RWBuffer-AST.hlsl
index e6ce73dbd962f..ebddd72ddb1e0 100644
--- a/clang/test/AST/HLSL/RWBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/RWBuffer-AST.hlsl
@@ -15,7 +15,7 @@
 // EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class RWBuffer
 // EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
 
-// There should be no more occurrances of RWBuffer
+// There should be no more occurrences of RWBuffer
 // EMPTY-NOT: RWBuffer
 
 #ifndef EMPTY
diff --git a/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl b/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl
index f95d74b30acde..4104250225aec 100644
--- a/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl
@@ -16,7 +16,7 @@
 // EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class RWStructuredBuffer
 // EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
 
-// There should be no more occurrances of RWStructuredBuffer
+// There should be no more occurrences of RWStructuredBuffer
 // EMPTY-NOT: {{[^[:alnum:]]}}RWStructuredBuffer
 
 #ifndef EMPTY
diff --git a/clang/test/AST/HLSL/StructuredBuffer-AST.hlsl b/clang/test/AST/HLSL/StructuredBuffer-AST.hlsl
index 6c39be8ba519f..42a7d1b561739 100644
--- a/clang/test/AST/HLSL/StructuredBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/StructuredBuffer-AST.hlsl
@@ -16,7 +16,7 @@
 // EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class StructuredBuffer
 // EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
 
-// There should be no more occurrances of StructuredBuffer
+// There should be no more occurrences of StructuredBuffer
 // EMPTY-NOT: {{[^[:alnum:]]}}StructuredBuffer
 
 #ifndef EMPTY