--- a/xpcom/ds/nsObserverService.cpp
+++ b/xpcom/ds/nsObserverService.cpp
@@ -18,18 +18,16 @@
 #include "xpcpublic.h"
 #include "mozilla/net/NeckoCommon.h"
 #include "mozilla/Services.h"
 #include "mozilla/Telemetry.h"
 #include "mozilla/TimeStamp.h"
 #include "nsString.h"
 #include "GeckoProfiler.h"
 
-#define NOTIFY_GLOBAL_OBSERVERS
-
 static const uint32_t kMinTelemetryNotifyObserversLatencyMs = 1;
 
 // Log module for nsObserverService logging...
 //
 // To enable logging (see prlog.h for full details):
 //
 //    set MOZ_LOG=ObserverService:5
 //    set MOZ_LOG_FILE=service.log
@@ -292,23 +290,16 @@ NS_IMETHODIMP nsObserverService::NotifyO
   AUTO_PROFILER_LABEL_DYNAMIC_CSTR(
     "nsObserverService::NotifyObservers", OTHER, aTopic);
 
   nsObserverList* observerList = mObserverTopicTable.GetEntry(aTopic);
   if (observerList) {
     observerList->NotifyObservers(aSubject, aTopic, aSomeData);
   }
 
-#ifdef NOTIFY_GLOBAL_OBSERVERS
-  observerList = mObserverTopicTable.GetEntry("*");
-  if (observerList) {
-    observerList->NotifyObservers(aSubject, aTopic, aSomeData);
-  }
-#endif
-
   uint32_t latencyMs = round((TimeStamp::Now() - start).ToMilliseconds());
   if (latencyMs >= kMinTelemetryNotifyObserversLatencyMs) {
     Telemetry::Accumulate(Telemetry::NOTIFY_OBSERVERS_LATENCY_MS,
                           nsDependentCString(aTopic),
                           latencyMs);
   }
 
   return NS_OK;