diff --git a/AaxDecrypter/AaxDecrypter.csproj b/AaxDecrypter/AaxDecrypter.csproj
index b531426f..daab451a 100644
--- a/AaxDecrypter/AaxDecrypter.csproj
+++ b/AaxDecrypter/AaxDecrypter.csproj
@@ -33,33 +33,12 @@
     <None Update="DecryptLib\avutil-56.dll">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
-    <None Update="DecryptLib\cygcrypto-1.0.0.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </None>
-    <None Update="DecryptLib\cyggcc_s-1.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </None>
-    <None Update="DecryptLib\cygmp4v2-2.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </None>
-    <None Update="DecryptLib\cygstdc++-6.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </None>
-    <None Update="DecryptLib\cygwin1.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </None>
-    <None Update="DecryptLib\cygz.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </None>
     <None Update="DecryptLib\ffmpeg.exe">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
     <None Update="DecryptLib\ffprobe.exe">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
-    <None Update="DecryptLib\mp4trackdump.exe">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </None>
     <None Update="DecryptLib\postproc-54.dll">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
diff --git a/AaxDecrypter/DecryptLib/cygcrypto-1.0.0.dll b/AaxDecrypter/DecryptLib/cygcrypto-1.0.0.dll
deleted file mode 100644
index 7a01721d..00000000
Binary files a/AaxDecrypter/DecryptLib/cygcrypto-1.0.0.dll and /dev/null differ
diff --git a/AaxDecrypter/DecryptLib/cyggcc_s-1.dll b/AaxDecrypter/DecryptLib/cyggcc_s-1.dll
deleted file mode 100644
index 732e75a4..00000000
Binary files a/AaxDecrypter/DecryptLib/cyggcc_s-1.dll and /dev/null differ
diff --git a/AaxDecrypter/DecryptLib/cygmp4v2-2.dll b/AaxDecrypter/DecryptLib/cygmp4v2-2.dll
deleted file mode 100644
index 1d851fed..00000000
Binary files a/AaxDecrypter/DecryptLib/cygmp4v2-2.dll and /dev/null differ
diff --git a/AaxDecrypter/DecryptLib/cygstdc++-6.dll b/AaxDecrypter/DecryptLib/cygstdc++-6.dll
deleted file mode 100644
index 9d4468dc..00000000
Binary files a/AaxDecrypter/DecryptLib/cygstdc++-6.dll and /dev/null differ
diff --git a/AaxDecrypter/DecryptLib/cygwin1.dll b/AaxDecrypter/DecryptLib/cygwin1.dll
deleted file mode 100644
index c96cd624..00000000
Binary files a/AaxDecrypter/DecryptLib/cygwin1.dll and /dev/null differ
diff --git a/AaxDecrypter/DecryptLib/cygz.dll b/AaxDecrypter/DecryptLib/cygz.dll
deleted file mode 100644
index 874be5ec..00000000
Binary files a/AaxDecrypter/DecryptLib/cygz.dll and /dev/null differ
diff --git a/AaxDecrypter/DecryptLib/mp4trackdump.exe b/AaxDecrypter/DecryptLib/mp4trackdump.exe
deleted file mode 100644
index 98abb027..00000000
Binary files a/AaxDecrypter/DecryptLib/mp4trackdump.exe and /dev/null differ