diff --git a/PowerEditor/installer/nsisInclude/mainSectionFuncs.nsh b/PowerEditor/installer/nsisInclude/mainSectionFuncs.nsh
index cc5cbb8ff..48eb72217 100644
--- a/PowerEditor/installer/nsisInclude/mainSectionFuncs.nsh
+++ b/PowerEditor/installer/nsisInclude/mainSectionFuncs.nsh
@@ -93,10 +93,8 @@ Function copyCommonFiles
 	File "..\bin\readme.txt"
 	
 !ifdef ARCH64
-	File "..\bin64\SciLexer.dll"
 	File "..\bin64\notepad++.exe"
 !else
-	File "..\bin\SciLexer.dll"
 	File "..\bin\notepad++.exe"
 !endif
 
diff --git a/PowerEditor/installer/packageAll.bat b/PowerEditor/installer/packageAll.bat
index b97f2661a..09d9fc0bd 100644
--- a/PowerEditor/installer/packageAll.bat
+++ b/PowerEditor/installer/packageAll.bat
@@ -23,10 +23,6 @@ signtool.exe sign /f %NPP_CERT% /p %NPP_CERT_PWD% /d "Notepad++" /du https://not
 If ErrorLevel 1 goto End
 signtool.exe sign /f %NPP_CERT% /p %NPP_CERT_PWD% /d "Notepad++" /du https://notepad-plus-plus.org/ /t http://timestamp.digicert.com/ ..\bin64\notepad++.exe
 If ErrorLevel 1 goto End
-signtool.exe sign /f %NPP_CERT% /p %NPP_CERT_PWD% /d "Notepad++" /du https://notepad-plus-plus.org/ /t http://timestamp.digicert.com/ ..\bin\SciLexer.dll
-If ErrorLevel 1 goto End
-signtool.exe sign /f %NPP_CERT% /p %NPP_CERT_PWD% /d "Notepad++" /du https://notepad-plus-plus.org/ /t http://timestamp.digicert.com/ ..\bin64\SciLexer.dll
-If ErrorLevel 1 goto End
 
 signtool.exe sign /f %NPP_CERT% /p %NPP_CERT_PWD% /d "Notepad++" /du https://notepad-plus-plus.org/ /t http://timestamp.digicert.com/ ..\bin\NppShell_06.dll
 If ErrorLevel 1 goto End
@@ -89,8 +85,6 @@ copy /Y ..\bin\doLocalConf.xml .\minimalist\
 If ErrorLevel 1 goto End
 copy /Y ..\bin\"notepad++.exe" .\minimalist\
 If ErrorLevel 1 goto End
-copy /Y ..\bin\SciLexer.dll .\minimalist\
-If ErrorLevel 1 goto End
 
 rmdir /S /Q .\minimalist64
 mkdir .\minimalist64
@@ -116,8 +110,6 @@ copy /Y ..\bin\doLocalConf.xml .\minimalist64\
 If ErrorLevel 1 goto End
 copy /Y ..\bin64\"notepad++.exe" .\minimalist64\
 If ErrorLevel 1 goto End
-copy /Y ..\bin64\SciLexer.dll .\minimalist64\
-If ErrorLevel 1 goto End
 
 rem Remove old built Notepad++ 32-bit package
 rmdir /S /Q .\zipped.package.release
@@ -174,8 +166,6 @@ copy /Y ..\bin\doLocalConf.xml .\zipped.package.release\
 If ErrorLevel 1 goto End
 copy /Y ..\bin\"notepad++.exe" .\zipped.package.release\
 If ErrorLevel 1 goto End
-copy /Y ..\bin\SciLexer.dll .\zipped.package.release\
-If ErrorLevel 1 goto End
 
 
 rem Basic Copy needed files into Notepad++ 64-bit package folders
@@ -197,8 +187,6 @@ copy /Y ..\bin\doLocalConf.xml .\zipped.package.release64\
 If ErrorLevel 1 goto End
 copy /Y ..\bin64\"notepad++.exe" .\zipped.package.release64\
 If ErrorLevel 1 goto End
-copy /Y ..\bin64\SciLexer.dll .\zipped.package.release64\
-If ErrorLevel 1 goto End
 
 
 rem Plugins: Copy needed files into Notepad++ 32-bit package folders