diff --git a/FWCore/Framework/interface/EventSetupRecordImpl.h b/FWCore/Framework/interface/EventSetupRecordImpl.h
index 561fbc37d29c2..9d725927b859b 100644
--- a/FWCore/Framework/interface/EventSetupRecordImpl.h
+++ b/FWCore/Framework/interface/EventSetupRecordImpl.h
@@ -167,7 +167,7 @@ namespace edm {
                              std::shared_ptr<ESHandleExceptionFactory>& whyFailedFactory) const {
         DataKey const* dataKey = nullptr;
         if (iResolverIndex.value() == std::numeric_limits<int>::max()) {
-          whyFailedFactory = makeESHandleExceptionFactory([=] {
+          whyFailedFactory = makeESHandleExceptionFactory([this] {
             NoProductResolverException<DataT> ex(this->key(), {});
             return std::make_exception_ptr(ex);
           });
@@ -178,7 +178,7 @@ namespace edm {
                iResolverIndex.value() < static_cast<ESResolverIndex::Value_t>(keysForProxies_.size()));
         void const* pValue = this->getFromResolverAfterPrefetch(iResolverIndex, iTransientAccessOnly, oDesc, dataKey);
         if (nullptr == pValue) {
-          whyFailedFactory = makeESHandleExceptionFactory([=] {
+          whyFailedFactory = makeESHandleExceptionFactory([this, dataKey] {
             NoProductResolverException<DataT> ex(this->key(), *dataKey);
             return std::make_exception_ptr(ex);
           });
diff --git a/FWCore/Framework/src/Principal.cc b/FWCore/Framework/src/Principal.cc
index d864e61ef1d09..9b6edaa3a41e1 100644
--- a/FWCore/Framework/src/Principal.cc
+++ b/FWCore/Framework/src/Principal.cc
@@ -1,5 +1,8 @@
 /**----------------------------------------------------------------------
   ----------------------------------------------------------------------*/
+#ifdef __clang__
+#pragma GCC diagnostic ignored "-Wc++20-extensions"
+#endif
 
 #include "FWCore/Framework/interface/Principal.h"
 
@@ -581,7 +584,7 @@ namespace edm {
 
     ProductData const* result = findProductByLabel(kindOfType, typeID, inputTag, consumer, sra, mcc);
     if (result == nullptr) {
-      return BasicHandle(makeHandleExceptionFactory([=]() -> std::shared_ptr<cms::Exception> {
+      return BasicHandle(makeHandleExceptionFactory([=, this]() -> std::shared_ptr<cms::Exception> {
         return makeNotFoundException(
             "getByLabel",
             kindOfType,
diff --git a/FWCore/Framework/test/stubs/ToyIntProducers.cc b/FWCore/Framework/test/stubs/ToyIntProducers.cc
index 059534495729a..66012887e4f32 100644
--- a/FWCore/Framework/test/stubs/ToyIntProducers.cc
+++ b/FWCore/Framework/test/stubs/ToyIntProducers.cc
@@ -5,6 +5,10 @@ Toy EDProducers of Ints for testing purposes only.
 
 ----------------------------------------------------------------------*/
 
+#ifdef __clang__
+#pragma GCC diagnostic ignored "-Wc++20-extensions"
+#endif
+
 #include "DataFormats/Common/interface/Handle.h"
 #include "DataFormats/Common/interface/TriggerResults.h"
 #include "DataFormats/TestObjects/interface/ToyProducts.h"
@@ -610,7 +614,7 @@ namespace edmtest {
   public:
     explicit ManyIntWhenRegisteredProducer(edm::ParameterSet const& p)
         : sourceLabel_(p.getParameter<std::string>("src")) {
-      callWhenNewProductsRegistered([=](edm::BranchDescription const& iBranch) {
+      callWhenNewProductsRegistered([=, this](edm::BranchDescription const& iBranch) {
         if (iBranch.moduleLabel() == sourceLabel_) {
           if (iBranch.branchType() != edm::InEvent) {
             throw edm::Exception(edm::errors::UnimplementedFeature)
diff --git a/FWCore/Modules/src/SwitchProducer.cc b/FWCore/Modules/src/SwitchProducer.cc
index 819ca6246d124..6671aaa64d1f3 100644
--- a/FWCore/Modules/src/SwitchProducer.cc
+++ b/FWCore/Modules/src/SwitchProducer.cc
@@ -1,3 +1,7 @@
+#ifdef __clang__
+#pragma GCC diagnostic ignored "-Wc++20-extensions"
+#endif
+
 #include "FWCore/Framework/interface/global/EDProducer.h"
 #include "FWCore/Framework/interface/MakerMacros.h"
 #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
@@ -24,7 +28,7 @@ namespace edm {
     auto const& moduleLabel = iConfig.getParameter<std::string>("@module_label");
     auto const& chosenLabel = iConfig.getUntrackedParameter<std::string>("@chosen_case");
     auto const& processName = iConfig.getUntrackedParameter<std::string>("@process_name");
-    callWhenNewProductsRegistered([=](edm::BranchDescription const& iBranch) {
+    callWhenNewProductsRegistered([=, this](edm::BranchDescription const& iBranch) {
       if (iBranch.moduleLabel() == chosenLabel and iBranch.processName() == processName) {
         if (iBranch.branchType() != InEvent) {
           throw Exception(errors::UnimplementedFeature)
diff --git a/HeterogeneousCore/AlpakaCore/interface/alpaka/ProducerBase.h b/HeterogeneousCore/AlpakaCore/interface/alpaka/ProducerBase.h
index 3671c5a8e194d..25088489ad89f 100644
--- a/HeterogeneousCore/AlpakaCore/interface/alpaka/ProducerBase.h
+++ b/HeterogeneousCore/AlpakaCore/interface/alpaka/ProducerBase.h
@@ -4,6 +4,7 @@
 #include "DataFormats/Common/interface/DeviceProduct.h"
 #include "FWCore/Framework/interface/FrameworkfwdMostUsed.h"
 #include "FWCore/Framework/interface/moduleAbilities.h"
+#include "FWCore/Framework/interface/Event.h"
 #include "FWCore/Utilities/interface/EDPutToken.h"
 #include "FWCore/Utilities/interface/Transition.h"
 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/DeviceProductType.h"
diff --git a/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc b/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc
index 2ffa2209991f0..09814ac13556c 100644
--- a/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc
+++ b/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc
@@ -53,7 +53,7 @@ void PatternRecognitionbyFastJet<TILES>::buildJetAndTracksters(std::vector<Pseud
   }
 
   auto trackster_idx = result.size();
-  auto jetsSize = std::count_if(jets.begin(), jets.end(), [=](fastjet::PseudoJet jet) {
+  auto jetsSize = std::count_if(jets.begin(), jets.end(), [this](fastjet::PseudoJet jet) {
     return jet.constituents().size() > static_cast<unsigned int>(minNumLayerCluster_);
   });
   result.resize(trackster_idx + jetsSize);