diff --git a/source/games/duke/src/filestream.h b/source/games/duke/src/filestream.h
deleted file mode 100644
index 190446988..000000000
--- a/source/games/duke/src/filestream.h
+++ /dev/null
@@ -1,65 +0,0 @@
-//-------------------------------------------------------------------------
-/*
-Copyright (C) 2010-2020 EDuke32 developers and contributors
-Copyright (C) 2020 sirlemonhead
-This file is part of Rednukem.
-Rednukem is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License version 2
-as published by the Free Software Foundation.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-See the GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-*/
-//-------------------------------------------------------------------------
-
-#ifndef _RedNukemFileStream_h_
-#define _RedNukemFileStream_h_
-
-#include "vfs.h"
-#include "compat.h"
-#include <stdint.h>
-
-namespace RedNukem {
-
-class FileStream
-{
-    public:
-        bool Open(const char *fileName);
-        bool Is_Open();
-        void Close();
-
-        int32_t ReadBytes(uint8_t *data, uint32_t nBytes);
-
-        uint64_t ReadUint64LE();
-        uint64_t ReadUint64BE();
-
-        uint32_t ReadUint32LE();
-        uint32_t ReadUint32BE();
-
-        uint16_t ReadUint16LE();
-        uint16_t ReadUint16BE();
-
-        uint8_t ReadByte();
-
-        enum SeekDirection {
-            kSeekCurrent = 0,
-            kSeekStart   = 1,
-            kSeekEnd     = 2
-        };
-
-        int32_t Seek(int32_t offset, SeekDirection = kSeekStart);
-        int32_t Skip(int32_t offset);
-
-        int32_t GetPosition();
-
-    private:
-        buildvfs_kfd file;
-};
-
-} // close namespace RedNukem
-
-#endif
diff --git a/source/libsmackerdec/include/FileStream.h b/source/libsmackerdec/include/FileStream.h
index 35e1481a1..e344ee332 100644
--- a/source/libsmackerdec/include/FileStream.h
+++ b/source/libsmackerdec/include/FileStream.h
@@ -30,29 +30,29 @@ class FileStream
 	public:
 
 		bool Open(const char *fileName);
-		bool Is_Open();
-		void Close();
+		bool Is_Open() { return file.isOpen(); }
+		void Close() { file.Close(); }
 
-		int32_t ReadBytes(uint8_t *data, uint32_t nBytes);
+		int32_t ReadBytes(uint8_t *data, uint32_t nBytes)
+		{
+			return (uint32_t)file.Read(data, static_cast<int32_t>(nBytes));
+		}
 
-		uint32_t ReadUint32LE();
-		uint32_t ReadUint32BE();
+		uint64_t ReadUint64LE() { return file.ReadUInt64(); }
+		uint32_t ReadUint32LE() { return file.ReadUInt32(); }
+		uint16_t ReadUint16LE() { return file.ReadUInt16(); }
+		uint8_t ReadByte() { return file.ReadInt8(); }
 
-		uint16_t ReadUint16LE();
-		uint16_t ReadUint16BE();
-
-		uint8_t ReadByte();
 
 		enum SeekDirection{
-			kSeekCurrent = 0,
-			kSeekStart   = 1,
-			kSeekEnd     = 2
+			kSeekCurrent = SEEK_CUR,
+			kSeekStart   = SEEK_SET,
+			kSeekEnd     = SEEK_END
 		};
 
-        int32_t Seek(int32_t offset, SeekDirection = kSeekStart);
-        int32_t Skip(int32_t offset);
-
-		int32_t GetPosition();
+        int32_t Seek(int32_t offset, SeekDirection dir = kSeekStart) { return file.Seek(offset, (FileReader::ESeek) dir); }
+        int32_t Skip(int32_t offset) { return Seek(offset, kSeekCurrent); }
+		int32_t GetPosition() { return file.Tell(); }
 
 	private:
 		FileReader file;