diff --git a/core/fxge/apple/fx_apple_platform.cpp b/core/fxge/apple/fx_apple_platform.cpp
index bc7d999..3c1e4d7 100644
--- a/core/fxge/apple/fx_apple_platform.cpp
+++ b/core/fxge/apple/fx_apple_platform.cpp
@@ -5,8 +5,8 @@
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include <memory>
+#include <vector>
 
-#include "core/fxcrt/cfx_fixedbufgrow.h"
 #include "core/fxcrt/fx_system.h"
 
 #ifndef _SKIA_SUPPORT_
@@ -57,8 +57,8 @@
     if (!pFont->GetPlatformFont())
       return false;
   }
-  CFX_FixedBufGrow<uint16_t, 32> glyph_indices(nChars);
-  CFX_FixedBufGrow<CGPoint, 32> glyph_positions(nChars);
+  std::vector<uint16_t> glyph_indices(nChars);
+  std::vector<CGPoint> glyph_positions(nChars);
   for (int i = 0; i < nChars; i++) {
     glyph_indices[i] =
         pCharPos[i].m_ExtGID ? pCharPos[i].m_ExtGID : pCharPos[i].m_GlyphIndex;
@@ -76,9 +76,9 @@
     new_matrix.d = -new_matrix.d;
   }
   quartz2d.setGraphicsTextMatrix(pContext, &new_matrix);
-  return quartz2d.drawGraphicsString(pContext, pFont->GetPlatformFont(),
-                                     font_size, glyph_indices, glyph_positions,
-                                     nChars, argb, nullptr);
+  return quartz2d.drawGraphicsString(
+      pContext, pFont->GetPlatformFont(), font_size, glyph_indices.data(),
+      glyph_positions.data(), nChars, argb, nullptr);
 }
 
 }  // namespace