diff --git a/minidump/header.py b/minidump/header.py
index 032e089..7c7a822 100644
--- a/minidump/header.py
+++ b/minidump/header.py
@@ -11,7 +11,6 @@ def __init__(self):
 		self.NumberOfStreams:int = None
 		self.StreamDirectoryRva:int = None
 		self.CheckSum:int = 0
-		self.Reserved:int = 0
 		self.TimeDateStamp:int = 0
 		self.Flags:MINIDUMP_TYPE = None
 
@@ -22,7 +21,6 @@ def to_bytes(self):
 		t += self.NumberOfStreams.to_bytes(4, byteorder = 'little', signed = False)
 		t += self.StreamDirectoryRva.to_bytes(4, byteorder = 'little', signed = False)
 		t += self.CheckSum.to_bytes(4, byteorder = 'little', signed = False)
-		t += self.Reserved.to_bytes(4, byteorder = 'little', signed = False)
 		t += self.TimeDateStamp.to_bytes(4, byteorder = 'little', signed = False)
 		t += self.Flags.value.to_bytes(4, byteorder = 'little', signed = False)
 
@@ -39,7 +37,6 @@ def parse(buff):
 		mh.NumberOfStreams = int.from_bytes(buff.read(4), byteorder = 'little', signed = False)
 		mh.StreamDirectoryRva = int.from_bytes(buff.read(4), byteorder = 'little', signed = False)
 		mh.CheckSum = int.from_bytes(buff.read(4), byteorder = 'little', signed = False)
-		mh.Reserved = int.from_bytes(buff.read(4), byteorder = 'little', signed = False)
 		mh.TimeDateStamp = int.from_bytes(buff.read(4), byteorder = 'little', signed = False)
 		try:
 			mh.Flags = MINIDUMP_TYPE(int.from_bytes(buff.read(4), byteorder = 'little', signed = False))
@@ -62,7 +59,6 @@ def __str__(self):
 		t+= 'NumberOfStreams: %s\n' % self.NumberOfStreams
 		t+= 'StreamDirectoryRva: %s\n' % self.StreamDirectoryRva
 		t+= 'CheckSum: %s\n' % self.CheckSum
-		t+= 'Reserved: %s\n' % self.Reserved
 		t+= 'TimeDateStamp: %s\n' % self.TimeDateStamp
 		t+= 'Flags: %s\n' % self.Flags
 		return t
\ No newline at end of file
diff --git a/minidump/writer.py b/minidump/writer.py
index b8038ae..04bd29c 100644
--- a/minidump/writer.py
+++ b/minidump/writer.py
@@ -204,7 +204,6 @@ def prepare_header(self):
 		self.header.NumberOfStreams = len(self.streams) +1 # +1 is fot he memory info stream
 		self.header.StreamDirectoryRva = self.directory_rva
 		#self.header.CheckSum = None
-		#self.header.Reserved = None
 		#self.header.TimeDateStamp = None
 		self.header.Flags = MINIDUMP_TYPE.MiniDumpWithFullMemory
 		self.header_buffer.write(self.header.to_bytes())