diff --git a/core/fpdfapi/render/cpdf_docrenderdata.cpp b/core/fpdfapi/render/cpdf_docrenderdata.cpp
index e713866..5f19210 100644
--- a/core/fpdfapi/render/cpdf_docrenderdata.cpp
+++ b/core/fpdfapi/render/cpdf_docrenderdata.cpp
@@ -28,24 +28,7 @@
 CPDF_DocRenderData::CPDF_DocRenderData(CPDF_Document* pPDFDoc)
     : m_pPDFDoc(pPDFDoc) {}
 
-CPDF_DocRenderData::~CPDF_DocRenderData() {
-  Clear(true);
-}
-
-void CPDF_DocRenderData::Clear(bool bRelease) {
-  for (auto it = m_Type3FaceMap.begin(); it != m_Type3FaceMap.end();) {
-    auto curr_it = it++;
-    if (bRelease || curr_it->second->HasOneRef()) {
-      m_Type3FaceMap.erase(curr_it);
-    }
-  }
-
-  for (auto it = m_TransferFuncMap.begin(); it != m_TransferFuncMap.end();) {
-    auto curr_it = it++;
-    if (bRelease || curr_it->second->HasOneRef())
-      m_TransferFuncMap.erase(curr_it);
-  }
-}
+CPDF_DocRenderData::~CPDF_DocRenderData() = default;
 
 RetainPtr<CPDF_Type3Cache> CPDF_DocRenderData::GetCachedType3(
     CPDF_Type3Font* pFont) {
diff --git a/core/fpdfapi/render/cpdf_docrenderdata.h b/core/fpdfapi/render/cpdf_docrenderdata.h
index 71ca9f4..5f78d58 100644
--- a/core/fpdfapi/render/cpdf_docrenderdata.h
+++ b/core/fpdfapi/render/cpdf_docrenderdata.h
@@ -32,8 +32,6 @@
   RetainPtr<CPDF_TransferFunc> GetTransferFunc(const CPDF_Object* pObj);
   void MaybePurgeTransferFunc(const CPDF_Object* pObj);
 
-  void Clear(bool bRelease);
-
  private:
   UnownedPtr<CPDF_Document> m_pPDFDoc;
   std::map<CPDF_Font*, RetainPtr<CPDF_Type3Cache>> m_Type3FaceMap;