diff --git a/src/compiler/js-intrinsic-lowering.cc b/src/compiler/js-intrinsic-lowering.cc
index 194e876849..1f6a871ad5 100644
--- a/src/compiler/js-intrinsic-lowering.cc
+++ b/src/compiler/js-intrinsic-lowering.cc
@@ -32,8 +32,6 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
   switch (f->function_id) {
     case Runtime::kInlineCreateIterResultObject:
       return ReduceCreateIterResultObject(node);
-    case Runtime::kInlineDebugIsActive:
-      return ReduceDebugIsActive(node);
     case Runtime::kInlineDeoptimizeNow:
       return ReduceDeoptimizeNow(node);
     case Runtime::kInlineGeneratorClose:
@@ -92,16 +90,6 @@ Reduction JSIntrinsicLowering::ReduceCreateIterResultObject(Node* node) {
                 context, effect);
 }
 
-Reduction JSIntrinsicLowering::ReduceDebugIsActive(Node* node) {
-  Node* const value = jsgraph()->ExternalConstant(
-      ExternalReference::debug_is_active_address(isolate()));
-  Node* const effect = NodeProperties::GetEffectInput(node);
-  Node* const control = NodeProperties::GetControlInput(node);
-  Operator const* const op =
-      simplified()->LoadField(AccessBuilder::ForExternalUint8Value());
-  return Change(node, op, value, effect, control);
-}
-
 Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) {
   Node* const frame_state = NodeProperties::GetFrameStateInput(node);
   Node* const effect = NodeProperties::GetEffectInput(node);
diff --git a/src/runtime/runtime-debug.cc b/src/runtime/runtime-debug.cc
index 4925cbfcc4..4381fa6dcf 100644
--- a/src/runtime/runtime-debug.cc
+++ b/src/runtime/runtime-debug.cc
@@ -641,11 +641,6 @@ RUNTIME_FUNCTION(Runtime_DebugPopPromise) {
   return ReadOnlyRoots(isolate).undefined_value();
 }
 
-RUNTIME_FUNCTION(Runtime_DebugIsActive) {
-  SealHandleScope shs(isolate);
-  return Smi::FromInt(isolate->debug()->is_active());
-}
-
 namespace {
 Handle<JSObject> MakeRangeObject(Isolate* isolate, const CoverageBlock& range) {
   Factory* factory = isolate->factory();
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 4fd1718617..3a5d8f1d30 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -128,7 +128,6 @@ namespace internal {
   F(DebugBreakAtEntry, 1, 1)                    \
   F(DebugCollectCoverage, 0, 1)                 \
   F(DebugGetLoadedScriptIds, 0, 1)              \
-  F(DebugIsActive, 0, 1)                        \
   F(DebugOnFunctionCall, 2, 1)                  \
   F(DebugPopPromise, 0, 1)                      \
   F(DebugPrepareStepInSuspendedGenerator, 0, 1) \