diff --git a/clang-tools-extra/clang-tidy/modernize/DeprecatedHeadersCheck.cpp b/clang-tools-extra/clang-tidy/modernize/DeprecatedHeadersCheck.cpp
index 7d4659c1eaac4..9dacf1562429c 100644
--- a/clang-tools-extra/clang-tidy/modernize/DeprecatedHeadersCheck.cpp
+++ b/clang-tools-extra/clang-tidy/modernize/DeprecatedHeadersCheck.cpp
@@ -199,11 +199,12 @@ void IncludeModernizePPCallbacks::InclusionDirective(
   // 3. Do nothing and let the user deal with the migration himself.
   SourceLocation DiagLoc = FilenameRange.getBegin();
   if (CStyledHeaderToCxx.count(FileName) != 0) {
-    IncludesToBeProcessed.push_back(
+    IncludesToBeProcessed.emplace_back(
         IncludeMarker{CStyledHeaderToCxx[FileName], FileName,
                       FilenameRange.getAsRange(), DiagLoc});
   } else if (DeleteHeaders.count(FileName) != 0) {
-    IncludesToBeProcessed.push_back(
+    IncludesToBeProcessed.emplace_back(
+        // NOLINTNEXTLINE(modernize-use-emplace) - false-positive
         IncludeMarker{std::string{}, FileName,
                       SourceRange{HashLoc, FilenameRange.getEnd()}, DiagLoc});
   }
diff --git a/clang-tools-extra/clang-tidy/modernize/UseStdPrintCheck.cpp b/clang-tools-extra/clang-tidy/modernize/UseStdPrintCheck.cpp
index b1e1189d4ed77..660996aba7b70 100644
--- a/clang-tools-extra/clang-tidy/modernize/UseStdPrintCheck.cpp
+++ b/clang-tools-extra/clang-tidy/modernize/UseStdPrintCheck.cpp
@@ -39,10 +39,10 @@ UseStdPrintCheck::UseStdPrintCheck(StringRef Name, ClangTidyContext *Context)
       MaybeHeaderToInclude(Options.get("PrintHeader")) {
 
   if (PrintfLikeFunctions.empty() && FprintfLikeFunctions.empty()) {
-    PrintfLikeFunctions.push_back("::printf");
-    PrintfLikeFunctions.push_back("absl::PrintF");
-    FprintfLikeFunctions.push_back("::fprintf");
-    FprintfLikeFunctions.push_back("absl::FPrintF");
+    PrintfLikeFunctions.emplace_back("::printf");
+    PrintfLikeFunctions.emplace_back("absl::PrintF");
+    FprintfLikeFunctions.emplace_back("::fprintf");
+    FprintfLikeFunctions.emplace_back("absl::FPrintF");
   }
 
   if (!MaybeHeaderToInclude && (ReplacementPrintFunction == "std::print" ||
diff --git a/clang-tools-extra/clang-tidy/readability/RedundantStringCStrCheck.cpp b/clang-tools-extra/clang-tidy/readability/RedundantStringCStrCheck.cpp
index 5bf77bb860064..57f13db078020 100644
--- a/clang-tools-extra/clang-tidy/readability/RedundantStringCStrCheck.cpp
+++ b/clang-tools-extra/clang-tidy/readability/RedundantStringCStrCheck.cpp
@@ -35,9 +35,9 @@ RedundantStringCStrCheck::RedundantStringCStrCheck(StringRef Name,
       StringParameterFunctions(utils::options::parseStringList(
           Options.get("StringParameterFunctions", ""))) {
   if (getLangOpts().CPlusPlus20)
-    StringParameterFunctions.push_back("::std::format");
+    StringParameterFunctions.emplace_back("::std::format");
   if (getLangOpts().CPlusPlus23)
-    StringParameterFunctions.push_back("::std::print");
+    StringParameterFunctions.emplace_back("::std::print");
 }
 
 void RedundantStringCStrCheck::registerMatchers(
diff --git a/clang-tools-extra/clang-tidy/utils/UsingInserter.cpp b/clang-tools-extra/clang-tidy/utils/UsingInserter.cpp
index d9e0f3fc0f61b..3a2c16ff05dae 100644
--- a/clang-tools-extra/clang-tidy/utils/UsingInserter.cpp
+++ b/clang-tools-extra/clang-tidy/utils/UsingInserter.cpp
@@ -53,7 +53,7 @@ std::optional<FixItHint> UsingInserter::createUsingDeclaration(
              Statement, Context)
            .empty();
   if (AlreadyHasUsingDecl) {
-    AddedUsing.emplace(NameInFunction(Function, QualifiedName.str()));
+    AddedUsing.emplace(Function, QualifiedName.str());
     return std::nullopt;
   }
   // Find conflicting declarations and references.
@@ -69,7 +69,7 @@ std::optional<FixItHint> UsingInserter::createUsingDeclaration(
   std::string Declaration =
       (llvm::Twine("\nusing ") + QualifiedName + ";").str();
 
-  AddedUsing.emplace(std::make_pair(Function, QualifiedName.str()));
+  AddedUsing.emplace(Function, QualifiedName.str());
   return FixItHint::CreateInsertion(InsertLoc, Declaration);
 }