5 files changed, 8 insertions, 9 deletions
diff --git a/xfa/fxfa/cxfa_ffwidget.cpp b/xfa/fxfa/cxfa_ffwidget.cpp
index 859287388f..77f1ac5006 100644
--- a/xfa/fxfa/cxfa_ffwidget.cpp
+++ b/xfa/fxfa/cxfa_ffwidget.cpp
@@ -1780,7 +1780,7 @@ static uint8_t* XFA_RemoveBase64Whitespace(const uint8_t* pStr, int32_t iLen) {
   uint8_t* pCP;
   int32_t i = 0, j = 0;
   if (iLen == 0) {
-    iLen = FXSYS_strlen((char*)pStr);
+    iLen = strlen((char*)pStr);
   }
   pCP = FX_Alloc(uint8_t, iLen + 1);
   for (; i < iLen; i++) {
@@ -1799,11 +1799,11 @@ static int32_t XFA_Base64Decode(const char* pStr, uint8_t* pOutBuffer) {
     return 0;
   }
   uint8_t* pBuffer =
-      XFA_RemoveBase64Whitespace((uint8_t*)pStr, FXSYS_strlen((char*)pStr));
+      XFA_RemoveBase64Whitespace((uint8_t*)pStr, strlen((char*)pStr));
   if (!pBuffer) {
     return 0;
   }
-  int32_t iLen = FXSYS_strlen((char*)pBuffer);
+  int32_t iLen = strlen((char*)pBuffer);
   int32_t i = 0, j = 0;
   uint32_t dwLimb = 0;
   for (; i + 3 < iLen; i += 4) {
diff --git a/xfa/fxfa/cxfa_textparser.cpp b/xfa/fxfa/cxfa_textparser.cpp
index 9cbb72aa19..35e9b01580 100644
--- a/xfa/fxfa/cxfa_textparser.cpp
+++ b/xfa/fxfa/cxfa_textparser.cpp
@@ -84,8 +84,8 @@ std::unique_ptr<CFX_CSSStyleSheet> CXFA_TextParser::LoadDefaultSheetStyle() {
       L"sub{vertical-align:-15em;font-size:.66em}";
 
   auto sheet = pdfium::MakeUnique<CFX_CSSStyleSheet>();
-  return sheet->LoadBuffer(s_pStyle, FXSYS_wcslen(s_pStyle)) ? std::move(sheet)
-                                                             : nullptr;
+  return sheet->LoadBuffer(s_pStyle, wcslen(s_pStyle)) ? std::move(sheet)
+                                                       : nullptr;
 }
 
 RetainPtr<CFX_CSSComputedStyle> CXFA_TextParser::CreateRootStyle(
diff --git a/xfa/fxfa/fm2js/cxfa_fm2jscontext.cpp b/xfa/fxfa/fm2js/cxfa_fm2jscontext.cpp
index b4d070ac7d..00df0163f7 100644
--- a/xfa/fxfa/fm2js/cxfa_fm2jscontext.cpp
+++ b/xfa/fxfa/fm2js/cxfa_fm2jscontext.cpp
@@ -3342,8 +3342,7 @@ WideString CXFA_FM2JSContext::DecodeXML(const WideString& wsXMLString) {
     const wchar_t* const strName[] = {L"quot", L"amp", L"apos", L"lt", L"gt"};
     int32_t iIndex = 0;
     while (iIndex < 5) {
-      if (memcmp(strString, strName[iIndex], FXSYS_wcslen(strName[iIndex])) ==
-          0) {
+      if (memcmp(strString, strName[iIndex], wcslen(strName[iIndex])) == 0) {
         break;
       }
       ++iIndex;
diff --git a/xfa/fxfa/parser/cxfa_dataexporter.cpp b/xfa/fxfa/parser/cxfa_dataexporter.cpp
index 5433ba788e..44b0dca98c 100644
--- a/xfa/fxfa/parser/cxfa_dataexporter.cpp
+++ b/xfa/fxfa/parser/cxfa_dataexporter.cpp
@@ -399,7 +399,7 @@ void XFA_DataExporter_RegenerateFormFile(
     pStream->WriteString(L" xmlns=\"");
 
     const wchar_t* pURI = XFA_GetPacketByIndex(XFA_PACKET_Form)->pURI;
-    pStream->WriteString(WideStringView(pURI, FXSYS_wcslen(pURI)));
+    pStream->WriteString(WideStringView(pURI, wcslen(pURI)));
 
     WideString wsVersionNumber;
     RecognizeXFAVersionNumber(
diff --git a/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp b/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
index 7d9a2188c8..8bc71f11d3 100644
--- a/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
+++ b/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
@@ -36,7 +36,7 @@ std::vector<WideString> SeparateStringW(const wchar_t* pStr,
   if (!pStr)
     return ret;
   if (iStrLen < 0)
-    iStrLen = FXSYS_wcslen(pStr);
+    iStrLen = wcslen(pStr);
 
   const wchar_t* pToken = pStr;
   const wchar_t* pEnd = pStr + iStrLen;