diff --git a/pc/sdp_offer_answer.cc b/pc/sdp_offer_answer.cc
index cb67bbd8e5..6d963bad8f 100644
--- a/pc/sdp_offer_answer.cc
+++ b/pc/sdp_offer_answer.cc
@@ -744,12 +744,14 @@ class CreateSessionDescriptionObserverOperationWrapper
     RTC_DCHECK(observer_);
   }
   ~CreateSessionDescriptionObserverOperationWrapper() override {
+#if RTC_DCHECK_IS_ON
     RTC_DCHECK(was_called_);
+#endif
   }
 
   void OnSuccess(SessionDescriptionInterface* desc) override {
+#if RTC_DCHECK_IS_ON
     RTC_DCHECK(!was_called_);
-#ifdef RTC_DCHECK_IS_ON
     was_called_ = true;
 #endif  // RTC_DCHECK_IS_ON
     // Completing the operation before invoking the observer allows the observer
@@ -759,8 +761,8 @@ class CreateSessionDescriptionObserverOperationWrapper
   }
 
   void OnFailure(RTCError error) override {
+#if RTC_DCHECK_IS_ON
     RTC_DCHECK(!was_called_);
-#ifdef RTC_DCHECK_IS_ON
     was_called_ = true;
 #endif  // RTC_DCHECK_IS_ON
     operation_complete_callback_();
@@ -768,7 +770,7 @@ class CreateSessionDescriptionObserverOperationWrapper
   }
 
  private:
-#ifdef RTC_DCHECK_IS_ON
+#if RTC_DCHECK_IS_ON
   bool was_called_ = false;
 #endif  // RTC_DCHECK_IS_ON
   rtc::scoped_refptr<CreateSessionDescriptionObserver> observer_;
@@ -2919,6 +2921,7 @@ SdpOfferAnswerHandler::AssociateTransceiver(
     const ContentInfo* old_local_content,
     const ContentInfo* old_remote_content) {
   RTC_DCHECK(IsUnifiedPlan());
+#if RTC_DCHECK_IS_ON
   // If this is an offer then the m= section might be recycled. If the m=
   // section is being recycled (defined as: rejected in the current local or
   // remote description and not rejected in new description), the transceiver
@@ -2933,6 +2936,8 @@ SdpOfferAnswerHandler::AssociateTransceiver(
     // The transceiver should be disassociated in RemoveStoppedTransceivers()
     RTC_DCHECK(!old_transceiver);
   }
+#endif
+
   const MediaContentDescription* media_desc = content.media_description();
   auto transceiver = transceivers().FindByMid(content.name);
   if (source == cricket::CS_LOCAL) {
@@ -2984,6 +2989,9 @@ SdpOfferAnswerHandler::AssociateTransceiver(
         transceivers().StableState(transceiver)->set_newly_created();
       }
     }
+
+    RTC_DCHECK(transceiver);
+
     // Check if the offer indicated simulcast but the answer rejected it.
     // This can happen when simulcast is not supported on the remote party.
     if (SimulcastIsRejected(old_local_content, *media_desc)) {
@@ -2996,12 +3004,13 @@ SdpOfferAnswerHandler::AssociateTransceiver(
       }
     }
   }
-  RTC_DCHECK(transceiver);
+
   if (transceiver->media_type() != media_desc->type()) {
     LOG_AND_RETURN_ERROR(
         RTCErrorType::INVALID_PARAMETER,
         "Transceiver type does not match media description type.");
   }
+
   if (media_desc->HasSimulcast()) {
     std::vector<SimulcastLayer> layers =
         source == cricket::CS_LOCAL
diff --git a/rtc_base/operations_chain.cc b/rtc_base/operations_chain.cc
index 189b2373fb..f707d339b6 100644
--- a/rtc_base/operations_chain.cc
+++ b/rtc_base/operations_chain.cc
@@ -19,12 +19,14 @@ OperationsChain::CallbackHandle::CallbackHandle(
     : operations_chain_(std::move(operations_chain)) {}
 
 OperationsChain::CallbackHandle::~CallbackHandle() {
+#if RTC_DCHECK_IS_ON
   RTC_DCHECK(has_run_);
+#endif
 }
 
 void OperationsChain::CallbackHandle::OnOperationComplete() {
+#if RTC_DCHECK_IS_ON
   RTC_DCHECK(!has_run_);
-#ifdef RTC_DCHECK_IS_ON
   has_run_ = true;
 #endif  // RTC_DCHECK_IS_ON
   operations_chain_->OnOperationComplete();
diff --git a/rtc_base/operations_chain.h b/rtc_base/operations_chain.h
index a3768ddc25..a7252d46f0 100644
--- a/rtc_base/operations_chain.h
+++ b/rtc_base/operations_chain.h
@@ -51,11 +51,15 @@ class OperationWithFunctor final : public Operation {
       : functor_(std::forward<FunctorT>(functor)),
         callback_(std::move(callback)) {}
 
-  ~OperationWithFunctor() override { RTC_DCHECK(has_run_); }
+  ~OperationWithFunctor() override {
+#if RTC_DCHECK_IS_ON
+    RTC_DCHECK(has_run_);
+#endif  // RTC_DCHECK_IS_ON
+  }
 
   void Run() override {
+#if RTC_DCHECK_IS_ON
     RTC_DCHECK(!has_run_);
-#ifdef RTC_DCHECK_IS_ON
     has_run_ = true;
 #endif  // RTC_DCHECK_IS_ON
     // The functor being executed may invoke the callback synchronously,
@@ -71,7 +75,7 @@ class OperationWithFunctor final : public Operation {
  private:
   typename std::remove_reference<FunctorT>::type functor_;
   std::function<void()> callback_;
-#ifdef RTC_DCHECK_IS_ON
+#if RTC_DCHECK_IS_ON
   bool has_run_ = false;
 #endif  // RTC_DCHECK_IS_ON
 };
@@ -168,7 +172,7 @@ class OperationsChain final : public RefCountedObject<RefCountInterface> {
 
    private:
     scoped_refptr<OperationsChain> operations_chain_;
-#ifdef RTC_DCHECK_IS_ON
+#if RTC_DCHECK_IS_ON
     bool has_run_ = false;
 #endif  // RTC_DCHECK_IS_ON