diff --git a/clang/include/clang/AST/ASTConcept.h b/clang/include/clang/AST/ASTConcept.h
index fbd506f2a1607c..25e00860060f06 100644
--- a/clang/include/clang/AST/ASTConcept.h
+++ b/clang/include/clang/AST/ASTConcept.h
@@ -131,8 +131,7 @@ class ConceptReference {
         NamedConcept(NamedConcept), ArgsAsWritten(ArgsAsWritten) {}
 
   ConceptReference()
-      : TemplateKWLoc(), FoundDecl(nullptr), NamedConcept(nullptr),
-        ArgsAsWritten(nullptr) {}
+      : FoundDecl(nullptr), NamedConcept(nullptr), ArgsAsWritten(nullptr) {}
 
   const NestedNameSpecifierLoc &getNestedNameSpecifierLoc() const {
     return NestedNameSpec;
diff --git a/clang/include/clang/ASTMatchers/Dynamic/Diagnostics.h b/clang/include/clang/ASTMatchers/Dynamic/Diagnostics.h
index 25eb38e6435e0b..3f6f364d650528 100644
--- a/clang/include/clang/ASTMatchers/Dynamic/Diagnostics.h
+++ b/clang/include/clang/ASTMatchers/Dynamic/Diagnostics.h
@@ -40,7 +40,7 @@ struct SourceRange {
 
 /// A VariantValue instance annotated with its parser context.
 struct ParserValue {
-  ParserValue() : Range() {}
+  ParserValue() {}
   StringRef Text;
   SourceRange Range;
   VariantValue Value;
diff --git a/clang/include/clang/Parse/Parser.h b/clang/include/clang/Parse/Parser.h
index 74935c8900178a..74010ca66f99a4 100644
--- a/clang/include/clang/Parse/Parser.h
+++ b/clang/include/clang/Parse/Parser.h
@@ -1475,8 +1475,7 @@ class Parser : public CodeCompletionHandler {
   /// information that has been parsed prior to parsing declaration
   /// specifiers.
   struct ParsedTemplateInfo {
-    ParsedTemplateInfo()
-      : Kind(NonTemplate), TemplateParams(nullptr), TemplateLoc() { }
+    ParsedTemplateInfo() : Kind(NonTemplate), TemplateParams(nullptr) {}
 
     ParsedTemplateInfo(TemplateParameterLists *TemplateParams,
                        bool isSpecialization,
diff --git a/clang/include/clang/Sema/ParsedAttr.h b/clang/include/clang/Sema/ParsedAttr.h
index 657cf9253c77c7..4fa6f09d3321f8 100644
--- a/clang/include/clang/Sema/ParsedAttr.h
+++ b/clang/include/clang/Sema/ParsedAttr.h
@@ -1080,7 +1080,7 @@ struct ParsedAttributesWithRange : ParsedAttributes {
   SourceRange Range;
 };
 struct ParsedAttributesViewWithRange : ParsedAttributesView {
-  ParsedAttributesViewWithRange() : ParsedAttributesView() {}
+  ParsedAttributesViewWithRange() {}
   void clearListOnly() {
     ParsedAttributesView::clearListOnly();
     Range = SourceRange();
diff --git a/clang/include/clang/Sema/ParsedTemplate.h b/clang/include/clang/Sema/ParsedTemplate.h
index f0245b93c7eb28..926cec2c547cd9 100644
--- a/clang/include/clang/Sema/ParsedTemplate.h
+++ b/clang/include/clang/Sema/ParsedTemplate.h
@@ -63,8 +63,7 @@ namespace clang {
                            ParsedTemplateTy Template,
                            SourceLocation TemplateLoc)
       : Kind(ParsedTemplateArgument::Template),
-        Arg(Template.getAsOpaquePtr()),
-        SS(SS), Loc(TemplateLoc), EllipsisLoc() { }
+        Arg(Template.getAsOpaquePtr()), SS(SS), Loc(TemplateLoc) {}
 
     /// Determine whether the given template argument is invalid.
     bool isInvalid() const { return Arg == nullptr; }
diff --git a/clang/lib/AST/MicrosoftCXXABI.cpp b/clang/lib/AST/MicrosoftCXXABI.cpp
index 53d7e0b042ff12..b7dc0e62e66af3 100644
--- a/clang/lib/AST/MicrosoftCXXABI.cpp
+++ b/clang/lib/AST/MicrosoftCXXABI.cpp
@@ -36,8 +36,8 @@ class MicrosoftNumberingContext : public MangleNumberingContext {
 
 public:
   MicrosoftNumberingContext()
-      : MangleNumberingContext(), LambdaManglingNumber(0),
-        StaticLocalNumber(0), StaticThreadlocalNumber(0) {}
+      : LambdaManglingNumber(0), StaticLocalNumber(0),
+        StaticThreadlocalNumber(0) {}
 
   unsigned getManglingNumber(const CXXMethodDecl *CallOperator) override {
     return ++LambdaManglingNumber;
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index aaa31adf2e97a6..bbdc03fa1814ed 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -195,7 +195,7 @@ Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
       CodeSegStack(nullptr), FpPragmaStack(FPOptionsOverride()),
       CurInitSeg(nullptr), VisContext(nullptr),
       PragmaAttributeCurrentTargetDecl(nullptr),
-      IsBuildingRecoveryCallExpr(false), Cleanup{}, LateTemplateParser(nullptr),
+      IsBuildingRecoveryCallExpr(false), LateTemplateParser(nullptr),
       LateTemplateParserCleanup(nullptr), OpaqueParser(nullptr), IdResolver(pp),
       StdExperimentalNamespaceCache(nullptr), StdInitializerList(nullptr),
       StdCoroutineTraitsCache(nullptr), CXXTypeInfoDecl(nullptr),
diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index 64d045d697db41..b34b744d73126a 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -6614,7 +6614,7 @@ QualType Sema::FindCompositePointerType(SourceLocation Loc,
     const Type *ClassOrBound;
 
     Step(Kind K, const Type *ClassOrBound = nullptr)
-        : K(K), Quals(), ClassOrBound(ClassOrBound) {}
+        : K(K), ClassOrBound(ClassOrBound) {}
     QualType rebuild(ASTContext &Ctx, QualType T) const {
       T = Ctx.getQualifiedType(T, Quals);
       switch (K) {
diff --git a/clang/utils/TableGen/MveEmitter.cpp b/clang/utils/TableGen/MveEmitter.cpp
index 1a2532fbf53fc3..cc830c1d5416c9 100644
--- a/clang/utils/TableGen/MveEmitter.cpp
+++ b/clang/utils/TableGen/MveEmitter.cpp
@@ -1489,8 +1489,7 @@ class string_holder {
 class raw_self_contained_string_ostream : private string_holder,
                                           public raw_string_ostream {
 public:
-  raw_self_contained_string_ostream()
-      : string_holder(), raw_string_ostream(S) {}
+  raw_self_contained_string_ostream() : raw_string_ostream(S) {}
 };
 
 const char LLVMLicenseHeader[] =