diff --git a/UnRARDll.vcxproj b/UnRARDll.vcxproj
index ec5c17b00..7d3d91bc6 100644
--- a/UnRARDll.vcxproj
+++ b/UnRARDll.vcxproj
@@ -138,7 +138,6 @@
       <ExceptionHandling>Sync</ExceptionHandling>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
-      <StructMemberAlignment>4Bytes</StructMemberAlignment>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>rar.hpp</PrecompiledHeaderFile>
@@ -168,7 +167,6 @@
       <ExceptionHandling>Sync</ExceptionHandling>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
-      <StructMemberAlignment>4Bytes</StructMemberAlignment>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>rar.hpp</PrecompiledHeaderFile>
@@ -198,7 +196,6 @@
       <MinimalRebuild>false</MinimalRebuild>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <StructMemberAlignment>4Bytes</StructMemberAlignment>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
@@ -239,7 +236,6 @@
       <MinimalRebuild>false</MinimalRebuild>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <StructMemberAlignment>4Bytes</StructMemberAlignment>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
@@ -274,7 +270,6 @@
       <MinimalRebuild>false</MinimalRebuild>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <StructMemberAlignment>4Bytes</StructMemberAlignment>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
@@ -315,7 +310,6 @@
       <MinimalRebuild>false</MinimalRebuild>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <StructMemberAlignment>4Bytes</StructMemberAlignment>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
