diff --git a/core/fxcrt/cfx_timer.cpp b/core/fxcrt/cfx_timer.cpp
index 744b1eb..5f2a931 100644
--- a/core/fxcrt/cfx_timer.cpp
+++ b/core/fxcrt/cfx_timer.cpp
@@ -9,18 +9,26 @@
 #include <map>
 
 #include "third_party/base/check.h"
-#include "third_party/base/no_destructor.h"
 
 namespace {
 
 using TimerMap = std::map<int32_t, CFX_Timer*>;
-TimerMap& GetPWLTimerMap() {
-  static pdfium::base::NoDestructor<TimerMap> timer_map;
-  return *timer_map;
-}
+TimerMap* g_pwl_timer_map = nullptr;
 
 }  // namespace
 
+// static
+void CFX_Timer::InitializeGlobals() {
+  CHECK(!g_pwl_timer_map);
+  g_pwl_timer_map = new TimerMap();
+}
+
+// static
+void CFX_Timer::DestroyGlobals() {
+  delete g_pwl_timer_map;
+  g_pwl_timer_map = nullptr;
+}
+
 CFX_Timer::CFX_Timer(HandlerIface* pHandlerIface,
                      CallbackIface* pCallbackIface,
                      int32_t nInterval)
@@ -29,13 +37,13 @@
   if (m_pHandlerIface) {
     m_nTimerID = m_pHandlerIface->SetTimer(nInterval, TimerProc);
     if (HasValidID())
-      GetPWLTimerMap()[m_nTimerID] = this;
+      (*g_pwl_timer_map)[m_nTimerID] = this;
   }
 }
 
 CFX_Timer::~CFX_Timer() {
   if (HasValidID()) {
-    GetPWLTimerMap().erase(m_nTimerID);
+    g_pwl_timer_map->erase(m_nTimerID);
     if (m_pHandlerIface)
       m_pHandlerIface->KillTimer(m_nTimerID);
   }
@@ -43,7 +51,8 @@
 
 // static
 void CFX_Timer::TimerProc(int32_t idEvent) {
-  auto it = GetPWLTimerMap().find(idEvent);
-  if (it != GetPWLTimerMap().end())
+  auto it = g_pwl_timer_map->find(idEvent);
+  if (it != g_pwl_timer_map->end()) {
     it->second->m_pCallbackIface->OnTimerFired();
+  }
 }
diff --git a/core/fxcrt/cfx_timer.h b/core/fxcrt/cfx_timer.h
index 24ed296..e8be792 100644
--- a/core/fxcrt/cfx_timer.h
+++ b/core/fxcrt/cfx_timer.h
@@ -35,6 +35,9 @@
     virtual void OnTimerFired() = 0;
   };
 
+  static void InitializeGlobals();
+  static void DestroyGlobals();
+
   CFX_Timer(HandlerIface* pHandlerIface,
             CallbackIface* pCallbackIface,
             int32_t nInterval);
diff --git a/core/fxcrt/cfx_timer_unittest.cpp b/core/fxcrt/cfx_timer_unittest.cpp
index 32220f0..360dbb2 100644
--- a/core/fxcrt/cfx_timer_unittest.cpp
+++ b/core/fxcrt/cfx_timer_unittest.cpp
@@ -14,6 +14,8 @@
 using testing::Return;
 using testing::SaveArg;
 
+namespace {
+
 class MockTimerScheduler : public CFX_Timer::HandlerIface {
  public:
   MOCK_METHOD2(SetTimer, int(int32_t uElapse, TimerCallback lpTimerFunc));
@@ -25,7 +27,14 @@
   MOCK_METHOD0(OnTimerFired, void());
 };
 
-TEST(CFX_Timer, ValidTimers) {
+}  // namespace
+
+class CFXTimer : public testing::Test {
+  void SetUp() override { CFX_Timer::InitializeGlobals(); }
+  void TearDown() override { CFX_Timer::DestroyGlobals(); }
+};
+
+TEST_F(CFXTimer, ValidTimers) {
   CFX_Timer::HandlerIface::TimerCallback fn1 = nullptr;
   CFX_Timer::HandlerIface::TimerCallback fn2 = nullptr;
 
@@ -56,7 +65,7 @@
   (*fn1)(1002);
 }
 
-TEST(CFX_Timer, MisbehavingEmbedder) {
+TEST_F(CFXTimer, MisbehavingEmbedder) {
   CFX_Timer::HandlerIface::TimerCallback fn1 = nullptr;
 
   MockTimerScheduler scheduler;
diff --git a/fpdfsdk/fpdf_view.cpp b/fpdfsdk/fpdf_view.cpp
index d6a58cc..fbe75d9 100644
--- a/fpdfsdk/fpdf_view.cpp
+++ b/fpdfsdk/fpdf_view.cpp
@@ -31,6 +31,7 @@
 #include "core/fpdfdoc/cpdf_nametree.h"
 #include "core/fpdfdoc/cpdf_viewerpreferences.h"
 #include "core/fxcrt/cfx_read_only_span_stream.h"
+#include "core/fxcrt/cfx_timer.h"
 #include "core/fxcrt/fx_safe_types.h"
 #include "core/fxcrt/fx_stream.h"
 #include "core/fxcrt/fx_system.h"
@@ -229,6 +230,7 @@
     return;
 
   FX_InitializeMemoryAllocators();
+  CFX_Timer::InitializeGlobals();
   CFX_GEModule::Create(config ? config->m_pUserFontPaths : nullptr);
   CPDF_PageModule::Create();
 
@@ -261,6 +263,7 @@
 
   CPDF_PageModule::Destroy();
   CFX_GEModule::Destroy();
+  CFX_Timer::DestroyGlobals();
 
   g_bLibraryInitialized = false;
 }
diff --git a/fxjs/global_timer.cpp b/fxjs/global_timer.cpp
index 035aff8..e54e635 100644
--- a/fxjs/global_timer.cpp
+++ b/fxjs/global_timer.cpp
@@ -12,18 +12,26 @@
 #include "fxjs/cjs_app.h"
 #include "third_party/base/check.h"
 #include "third_party/base/containers/contains.h"
-#include "third_party/base/no_destructor.h"
 
 namespace {
 
 using TimerMap = std::map<int32_t, GlobalTimer*>;
-TimerMap& GetGlobalTimerMap() {
-  static pdfium::base::NoDestructor<TimerMap> timer_map;
-  return *timer_map;
-}
+TimerMap* g_global_timer_map = nullptr;
 
 }  // namespace
 
+// static
+void GlobalTimer::InitializeGlobals() {
+  CHECK(!g_global_timer_map);
+  g_global_timer_map = new TimerMap();
+}
+
+// static
+void GlobalTimer::DestroyGlobals() {
+  delete g_global_timer_map;
+  g_global_timer_map = nullptr;
+}
+
 GlobalTimer::GlobalTimer(CJS_App* pObj,
                          CJS_Runtime* pRuntime,
                          Type nType,
@@ -37,8 +45,8 @@
       m_pRuntime(pRuntime),
       m_pEmbedApp(pObj) {
   if (HasValidID()) {
-    DCHECK(!pdfium::Contains(GetGlobalTimerMap(), m_nTimerID));
-    GetGlobalTimerMap()[m_nTimerID] = this;
+    DCHECK(!pdfium::Contains((*g_global_timer_map), m_nTimerID));
+    (*g_global_timer_map)[m_nTimerID] = this;
   }
 }
 
@@ -49,15 +57,16 @@
   if (m_pRuntime && m_pRuntime->GetTimerHandler())
     m_pRuntime->GetTimerHandler()->KillTimer(m_nTimerID);
 
-  DCHECK(pdfium::Contains(GetGlobalTimerMap(), m_nTimerID));
-  GetGlobalTimerMap().erase(m_nTimerID);
+  DCHECK(pdfium::Contains((*g_global_timer_map), m_nTimerID));
+  g_global_timer_map->erase(m_nTimerID);
 }
 
 // static
 void GlobalTimer::Trigger(int32_t nTimerID) {
-  auto it = GetGlobalTimerMap().find(nTimerID);
-  if (it == GetGlobalTimerMap().end())
+  auto it = g_global_timer_map->find(nTimerID);
+  if (it == g_global_timer_map->end()) {
     return;
+  }
 
   GlobalTimer* pTimer = it->second;
   if (pTimer->m_bProcessing)
@@ -68,9 +77,10 @@
     pTimer->m_pEmbedApp->TimerProc(pTimer);
 
   // Timer proc may have destroyed timer, find it again.
-  it = GetGlobalTimerMap().find(nTimerID);
-  if (it == GetGlobalTimerMap().end())
+  it = g_global_timer_map->find(nTimerID);
+  if (it == g_global_timer_map->end()) {
     return;
+  }
 
   pTimer = it->second;
   pTimer->m_bProcessing = false;
@@ -80,9 +90,10 @@
 
 // static
 void GlobalTimer::Cancel(int32_t nTimerID) {
-  auto it = GetGlobalTimerMap().find(nTimerID);
-  if (it == GetGlobalTimerMap().end())
+  auto it = g_global_timer_map->find(nTimerID);
+  if (it == g_global_timer_map->end()) {
     return;
+  }
 
   GlobalTimer* pTimer = it->second;
   pTimer->m_pEmbedApp->CancelProc(pTimer);
diff --git a/fxjs/global_timer.h b/fxjs/global_timer.h
index 106c9e6..53a67b7 100644
--- a/fxjs/global_timer.h
+++ b/fxjs/global_timer.h
@@ -19,6 +19,9 @@
     kOneShot = true,
   };
 
+  static void InitializeGlobals();
+  static void DestroyGlobals();
+
   GlobalTimer(CJS_App* pObj,
               CJS_Runtime* pRuntime,
               Type nType,
diff --git a/fxjs/ijs_runtime.cpp b/fxjs/ijs_runtime.cpp
index 0308524..11c90fd 100644
--- a/fxjs/ijs_runtime.cpp
+++ b/fxjs/ijs_runtime.cpp
@@ -10,6 +10,7 @@
 #include "fpdfsdk/cpdfsdk_formfillenvironment.h"
 #include "fxjs/cfxjs_engine.h"
 #include "fxjs/cjs_runtime.h"
+#include "fxjs/global_timer.h"
 #ifdef PDF_ENABLE_XFA
 #include "fxjs/gc/heap.h"
 #endif  // PDF_ENABLE_XFA
@@ -25,6 +26,7 @@
 // static
 void IJS_Runtime::Initialize(unsigned int slot, void* isolate, void* platform) {
 #ifdef PDF_ENABLE_V8
+  GlobalTimer::InitializeGlobals();
   FXJS_Initialize(slot, static_cast<v8::Isolate*>(isolate));
 #ifdef PDF_ENABLE_XFA
   FXGC_Initialize(static_cast<v8::Platform*>(platform),
@@ -40,6 +42,7 @@
   FXGC_Release();
 #endif  // PDF_ENABLE_XFA
   FXJS_Release();
+  GlobalTimer::DestroyGlobals();
 #endif  // PDF_ENABLE_V8
 }