diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/MercEdt/051.EDT b/gamedir-languages/Polish_Version/Data-UB/Language/PL/MercEdt/051.EDT
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diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/MercEdt/177.EDT b/gamedir-languages/Polish_Version/Data-UB/Language/PL/MercEdt/177.EDT
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diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/Readme.txt b/gamedir-languages/Polish_Version/Data-UB/Language/PL/Readme.txt
deleted file mode 100644
index 778a46a9a..000000000
--- a/gamedir-languages/Polish_Version/Data-UB/Language/PL/Readme.txt
+++ /dev/null
@@ -1 +0,0 @@
-Copy the following original Polish files from Unfinished Business here in this folder: Npc_speech.slf, Speech.slf, BattleSNDS.slf, MercEdt.slf
diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/Scripts/Polish.undergroundsectornames.lua b/gamedir-languages/Polish_Version/Data-UB/Language/PL/Scripts/Polish.undergroundsectornames.lua
deleted file mode 100644
index 8133aade4..000000000
--- a/gamedir-languages/Polish_Version/Data-UB/Language/PL/Scripts/Polish.undergroundsectornames.lua
+++ /dev/null
@@ -1,31 +0,0 @@
---[[
-
-    This file (or its localized versions respectively) are included in
-    "initunderground.lua" to provide the underground sector names.
-    
-    Make sure to save this file as UTF-8, preferably with BOM signature in
-    order to help editors to not mess up the encoding. Also make sure to not
-    save BOM in any other script unless it explicitly allows that.
-
-]]
-
-sectornames = {
-
-	["I13-1"] = "Teren nieznany",
-	
-	["J13-1"] = "Opuszczona kopalnia",
-	
-	["J14-1"] = "Teren nieznany",
-	
-	["K14-1"] = "Tunel",
-	
-	["K15-1"] = "Podziemny Kompleks",
-	
-	["K15-2"] = "Podziemny Kompleks",
-	
-	["L15-2"] = "Podziemny Kompleks",
-	
-	["L15-3"] = "Podziemny Kompleks",
-
-    creatureLair = "Gniazdo stworzeń",
-}
diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/binarydata/AIMPOL25.EDT b/gamedir-languages/Polish_Version/Data-UB/Language/PL/binarydata/AIMPOL25.EDT
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diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/LOADSCREENADDONS_POLISH.STI b/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/LOADSCREENADDONS_POLISH.STI
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diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/SPLASH_POLISH.STI b/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/SPLASH_POLISH.STI
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index 0e2bead81..000000000
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diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/TITLETEXT_MP_POLISH.STI b/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/TITLETEXT_MP_POLISH.STI
deleted file mode 100644
index a49d1a67d..000000000
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diff --git a/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/TITLETEXT_POLISH.STI b/gamedir-languages/Polish_Version/Data-UB/Language/PL/polish/TITLETEXT_POLISH.STI
deleted file mode 100644
index 2b52929ba..000000000
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diff --git a/gamedir-languages/Polish_Version/Data-UB/VFS/Temp/vsf_Config.Temp.ini b/gamedir-languages/Polish_Version/Data-UB/VFS/Temp/vsf_Config.Temp.ini
deleted file mode 100644
index 2a050ce6d..000000000
--- a/gamedir-languages/Polish_Version/Data-UB/VFS/Temp/vsf_Config.Temp.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[vfs_config]
-PROFILES +=UserProf
-
-[PROFILE_UserProf]
-Name=User Profile
-LOCATIONS=
-PROFILE_ROOT=Profiles\UserProfile_JA2113_UB_PL
-WRITE=true
diff --git a/gamedir-languages/Polish_Version/Data-UB/VFS/Temp/vsf_Config.UBTemp.ini b/gamedir-languages/Polish_Version/Data-UB/VFS/Temp/vsf_Config.UBTemp.ini
deleted file mode 100644
index 9ae2d5606..000000000
--- a/gamedir-languages/Polish_Version/Data-UB/VFS/Temp/vsf_Config.UBTemp.ini
+++ /dev/null
@@ -1,34 +0,0 @@
-[vfs_config]
-PROFILES += Temp1933024,Temp1500843,Temp2254174
-
-[PROFILE_Temp1933024]
-Name = Temp1933024
-LOCATIONS  =Temp1933024_DIR
-PROFILE_ROOT  = 
-
-[PROFILE_Temp1500843]
-Name = Temp1500843
-LOCATIONS  =Temp1500843_DIR
-PROFILE_ROOT  = 
-
-[PROFILE_Temp2254174]
-Name = Temp2254174
-LOCATIONS  =Temp2254174_SLF
-PROFILE_ROOT  = 
-
-[LOC_Temp1933024_DIR]
-TYPE = DIRECTORY
-PATH = Data-UB\Data-Files
-MOUNT_POINT =
-
-[LOC_Temp1500843_DIR]
-TYPE = DIRECTORY
-PATH = Data-UB\Language\EN
-MOUNT_POINT =
-
-[LOC_Temp2254174_SLF]
-TYPE = LIBRARY
-PATH = Data-UB\Data-Files\Intro.slf
-VFS_PATH = Data-UB\Data-Files\Intro.slf
-MOUNT_POINT =
-OPTIONAL = True