--- a/mozglue/build/WindowsDllBlocklist.cpp
+++ b/mozglue/build/WindowsDllBlocklist.cpp
@@ -12,23 +12,20 @@
 #define MALLOC_DECL(name, return_type, ...) \
   extern "C" MOZ_MEMORY_API return_type name ## _impl(__VA_ARGS__);
 #include "malloc_decls.h"
 #endif
 
 #include <windows.h>
 #include <winternl.h>
 #include <io.h>
-#define PSAPI_VERSION 1
-#include <psapi.h>
 
 #pragma warning( push )
 #pragma warning( disable : 4275 4530 ) // See msvc-stl-wrapper.template.h
 #include <map>
-#include <vector>
 #pragma warning( pop )
 
 #include "nsAutoPtr.h"
 
 #include "nsWindowsDllInterceptor.h"
 #include "mozilla/UniquePtr.h"
 #include "mozilla/WindowsVersion.h"
 #include "nsWindowsHelpers.h"
@@ -541,25 +538,21 @@ static wchar_t* lastslash(wchar_t* s, in
   for (wchar_t* c = s + len - 1; c >= s; --c) {
     if (*c == L'\\' || *c == L'/') {
       return c;
     }
   }
   return nullptr;
 }
 
-#ifdef NIGHTLY_BUILD
-static std::vector<DllLoadInfo> gDllLoadInfos;
-static LoadCallBackFn gLoadInfoCallback;
-#endif
-
 static NTSTATUS NTAPI
 patched_LdrLoadDll (PWCHAR filePath, PULONG flags, PUNICODE_STRING moduleFileName, PHANDLE handle)
 {
   // We have UCS2 (UTF16?), we want ASCII, but we also just want the filename portion
+#define DLLNAME_MAX 128
   char dllName[DLLNAME_MAX+1];
   wchar_t *dll_part;
   char *dot;
   DllBlockInfo *info;
 
   int len = moduleFileName->Length / 2;
   wchar_t *fname = moduleFileName->Buffer;
   UniquePtr<wchar_t[]> full_fname;
@@ -737,51 +730,24 @@ continue_loading:
       return STATUS_DLL_NOT_FOUND;
     }
 
     if (IsVistaOrLater() && !CheckASLR(full_fname.get())) {
       printf_stderr("LdrLoadDll: Blocking load of '%s'.  XPCOM components must support ASLR.\n", dllName);
       return STATUS_DLL_NOT_FOUND;
     }
   }
-  NTSTATUS ret = stub_LdrLoadDll(filePath, flags, moduleFileName, handle);
-#if defined(NIGHTLY_BUILD) && !defined(_WIN64)
-  if (!ret) {
-      MODULEINFO moduleInfo;
-      if (GetModuleInformation(GetCurrentProcess(), *(HMODULE*)handle, &moduleInfo, sizeof(moduleInfo))) {
-          DllLoadInfo info;
-          strcpy(info.name, dllName);
-          info.lpBaseOfDll = moduleInfo.lpBaseOfDll;
-          info.SizeOfImage = moduleInfo.SizeOfImage;
-          if (gLoadInfoCallback) {
-            gLoadInfoCallback(info);
-          } else {
-            gDllLoadInfos.push_back(info);
-          }
-      }
-  }
-#endif
-  return ret;
+
+  return stub_LdrLoadDll(filePath, flags, moduleFileName, handle);
 }
 
 WindowsDllInterceptor NtDllIntercept;
 
 } // namespace
 
-#ifdef NIGHTLY_BUILD
-MFBT_API void
-RegisterDllLoadCallback(LoadCallBackFn aCallback) {
-  gLoadInfoCallback = aCallback;
-  for (DllLoadInfo &info : gDllLoadInfos) {
-    aCallback(info);
-  }
-  //gDllLoadInfos.clear();
-}
-#endif
-
 MFBT_API void
 DllBlocklist_Initialize()
 {
 #if defined(_MSC_VER) && _MSC_VER < 1900 && defined(_M_X64)
   // The code below is not blocklist-related, but is the best place for it.
   // This is the earliest place where msvcr120.dll is loaded, and this
   // codepath is used by both firefox.exe and plugin-container.exe processes.
 

--- a/mozglue/build/WindowsDllBlocklist.h
+++ b/mozglue/build/WindowsDllBlocklist.h
@@ -29,22 +29,10 @@ class MOZ_RAII AutoSetXPCOMLoadOnMainThr
     ~AutoSetXPCOMLoadOnMainThread() {
       DllBlocklist_SetInXPCOMLoadOnMainThread(false);
     }
 
   private:
     MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
 };
 
-#define DLLNAME_MAX 128
-#ifdef NIGHTLY_BUILD
-struct DllLoadInfo
-{
-  char name[DLLNAME_MAX+1];
-  LPVOID lpBaseOfDll;
-  DWORD SizeOfImage;
-};
-typedef void (*LoadCallBackFn)(DllLoadInfo&);
-MFBT_API void RegisterDllLoadCallback(LoadCallBackFn);
-#endif // NIGHTLY_BUILD
-
 #endif // defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
 #endif // mozilla_windowsdllblocklist_h

--- a/mozglue/build/moz.build
+++ b/mozglue/build/moz.build
@@ -47,17 +47,16 @@ if not CONFIG['JS_STANDALONE']:
         LOCAL_INCLUDES += [
             '/memory/build',
         ]
         SOURCES += [
             'WindowsDllBlocklist.cpp',
         ]
         DISABLE_STL_WRAPPING = True
         OS_LIBS += [
-            'psapi',
             'version',
         ]
 
     if CONFIG['MOZ_NUWA_PROCESS']:
         EXPORTS.ipc += [
             'Nuwa.h',
         ]
         SOURCES += [

--- a/toolkit/crashreporter/nsExceptionHandler.cpp
+++ b/toolkit/crashreporter/nsExceptionHandler.cpp
@@ -9,17 +9,16 @@
 #include "nsAppDirectoryServiceDefs.h"
 #include "nsDirectoryServiceDefs.h"
 #include "nsDataHashtable.h"
 #include "mozilla/ArrayUtils.h"
 #include "mozilla/dom/CrashReporterChild.h"
 #include "mozilla/Services.h"
 #include "nsIObserverService.h"
 #include "mozilla/unused.h"
-#include "mozilla/ScopeExit.h"
 #include "mozilla/Snprintf.h"
 #include "mozilla/SyncRunnable.h"
 #include "mozilla/TimeStamp.h"
 
 #include "nsThreadUtils.h"
 #include "nsXULAppAPI.h"
 #include "jsfriendapi.h"
 
@@ -1433,40 +1432,19 @@ ChildFilter(void* context)
 {
   bool result = Filter(context);
   if (result) {
     PrepareChildExceptionTimeAnnotations();
   }
   return result;
 }
 
-#if defined(XP_WIN) && defined(NIGHTLY_BUILD)
-static void DllLoadCallback(DllLoadInfo& info)
-{
-  nsAutoCString note;
-  note.AppendPrintf("%s-%p-%x\n", info.name, info.lpBaseOfDll, info.SizeOfImage);
-
-  CrashReporter::AppendAppNotesToCrashReport(note);
-}
-
-static void EmptyDllLoadCallback(DllLoadInfo& info)
-{
-}
-
-#endif
-
-
 nsresult SetExceptionHandler(nsIFile* aXREDirectory,
                              bool force/*=false*/)
 {
-#if defined(XP_WIN) && defined(NIGHTLY_BUILD)
-  auto dllCallbackGuard = MakeScopeExit([] {
-                                        RegisterDllLoadCallback(EmptyDllLoadCallback);
-                                        });
-#endif
   if (gExceptionHandler)
     return NS_ERROR_ALREADY_INITIALIZED;
 
 #if !defined(DEBUG) || defined(MOZ_WIDGET_GONK)
   // In non-debug builds, enable the crash reporter by default, and allow
   // disabling it with the MOZ_CRASHREPORTER_DISABLE environment variable.
   // Also enable it by default in debug gonk builds as it is difficult to
   // set environment on startup.
@@ -1691,21 +1669,16 @@ nsresult SetExceptionHandler(nsIFile* aX
                                       library_mappings[i].start_address,
                                       library_mappings[i].length,
                                       library_mappings[i].file_offset);
   }
 #endif
 
   mozalloc_set_oom_abort_handler(AnnotateOOMAllocationSize);
 
-#if defined(XP_WIN) && defined(NIGHTLY_BUILD)
-  dllCallbackGuard.release();
-  RegisterDllLoadCallback(DllLoadCallback);
-#endif
-
   return NS_OK;
 }
 
 bool GetEnabled()
 {
   return gExceptionHandler != nullptr;
 }
 

--- a/toolkit/crashreporter/test/unit/test_crashreporter_crash.js
+++ b/toolkit/crashreporter/test/unit/test_crashreporter_crash.js
@@ -40,15 +40,12 @@ function run_test()
              // TelemetrySession setup will trigger the session annotation
              let scope = {};
              Components.utils.import("resource://gre/modules/TelemetryController.jsm", scope);
              scope.TelemetryController.testSetup();
            },
            function(mdump, extra) {
              do_check_eq(extra.TestKey, "TestValue");
              do_check_eq(extra["\u2665"], "\u{1F4A9}");
-             // we spam the crash dumps with dlls loading so temporarily disable
-             // this check on windows
-             if (!is_windows)
-               do_check_eq(extra.Notes, "JunkMoreJunk");
+             do_check_eq(extra.Notes, "JunkMoreJunk");
              do_check_true(!("TelemetrySessionId" in extra));
            });
 }