diff --git a/win/setup/webservice/CumtennWebSdk_Setup.iss b/win/setup/webservice/CumtennWebSdk_Setup.iss
index b109e74..6c2eceb 100644
--- a/win/setup/webservice/CumtennWebSdk_Setup.iss
+++ b/win/setup/webservice/CumtennWebSdk_Setup.iss
@@ -41,8 +41,6 @@ Source: "..\..\..\..\code_app\test\webservice\webdemoproject\*"; DestDir: "{app}
 Source: "..\..\..\lang\*"; DestDir: "{app}\lang\"; Flags: ignoreversion;
 
 ; app32
-Source: "..\..\x86\Release\CTSTwainUI.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: not Is64BitInstallMode
-Source: "..\..\x86\Release\CTSTwainUser.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: not Is64BitInstallMode
 Source: "..\..\x86\Release\hwusbdev.key"; DestDir: "{app}\"; Flags: ignoreversion; Check: not Is64BitInstallMode
 Source: "..\..\x86\Release\ËÎÌå.ttf"; DestDir: "{app}\"; Flags: ignoreversion; Check: not Is64BitInstallMode
 Source: "..\..\x86\Release\CTSWebService.exe"; DestDir: "{app}\"; Flags: ignoreversion; Check: not Is64BitInstallMode
@@ -73,8 +71,6 @@ Source: "..\..\x86\Release\tinyxml2.dll"; DestDir: "{app}\"; Flags: ignoreversio
 Source: "..\..\x86\Release\zlib.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: not Is64BitInstallMode
 
 ; app64
-Source: "..\..\x64\Release\CTSTwainUI.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode
-Source: "..\..\x64\Release\CTSTwainUser.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x64\Release\hwusbdev.key"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x64\Release\ËÎÌå.ttf"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x64\Release\CTSWebService.exe"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode