diff --git a/resources/templates/es_systems.cfg_macos b/resources/templates/es_systems.cfg_macos
index c5f277901..0ecfef36e 100644
--- a/resources/templates/es_systems.cfg_macos
+++ b/resources/templates/es_systems.cfg_macos
@@ -293,7 +293,7 @@
     <name>dos</name>
     <fullname>DOS (PC)</fullname>
     <path>%ROMPATH%/dos</path>
-    <extension>.bat .BAT .com .COM .dos .DOS .exe .EXE .pc .PC .7z .7Z .zip .ZIP</extension>
+    <extension>.bat .BAT .com .COM .exe .EXE .7z .7Z .zip .ZIP</extension>
     <command>/Applications/RetroArch.app/Contents/MacOS/RetroArch -L %EMUPATH%/../Resources/cores/dosbox_core_libretro.dylib %ROM%</command>
     <platform>dos</platform>
     <theme>dos</theme>
@@ -689,7 +689,7 @@
     <name>pc</name>
     <fullname>IBM PC</fullname>
     <path>%ROMPATH%/pc</path>
-    <extension>.bat .BAT .com .COM .dos .DOS .exe .EXE .pc .PC .7z .7Z .zip .ZIP</extension>
+    <extension>.bat .BAT .com .COM .exe .EXE .7z .7Z .zip .ZIP</extension>
     <command>/Applications/RetroArch.app/Contents/MacOS/RetroArch -L %EMUPATH%/../Resources/cores/dosbox_core_libretro.dylib %ROM%</command>
     <platform>pc</platform>
     <theme>pc</theme>
diff --git a/resources/templates/es_systems.cfg_unix b/resources/templates/es_systems.cfg_unix
index 1af444f3b..84335830d 100644
--- a/resources/templates/es_systems.cfg_unix
+++ b/resources/templates/es_systems.cfg_unix
@@ -293,7 +293,7 @@
     <name>dos</name>
     <fullname>DOS (PC)</fullname>
     <path>%ROMPATH%/dos</path>
-    <extension>.bat .BAT .com .COM .dos .DOS .exe .EXE .pc .PC .7z .7Z .zip .ZIP</extension>
+    <extension>.bat .BAT .com .COM .exe .EXE .7z .7Z .zip .ZIP</extension>
     <command>retroarch -L ~/.config/retroarch/cores/dosbox_core_libretro.so %ROM%</command>
     <platform>dos</platform>
     <theme>dos</theme>
@@ -698,7 +698,7 @@
     <name>pc</name>
     <fullname>IBM PC</fullname>
     <path>%ROMPATH%/pc</path>
-    <extension>.bat .BAT .com .COM .dos .DOS .exe .EXE .pc .PC .7z .7Z .zip .ZIP</extension>
+    <extension>.bat .BAT .com .COM .exe .EXE .7z .7Z .zip .ZIP</extension>
     <command>retroarch -L ~/.config/retroarch/cores/dosbox_core_libretro.so %ROM%</command>
     <platform>pc</platform>
     <theme>pc</theme>
diff --git a/resources/templates/es_systems.cfg_windows b/resources/templates/es_systems.cfg_windows
index a613c8ceb..9485c52d9 100644
--- a/resources/templates/es_systems.cfg_windows
+++ b/resources/templates/es_systems.cfg_windows
@@ -293,7 +293,7 @@
     <name>dos</name>
     <fullname>DOS (PC)</fullname>
     <path>%ROMPATH%\dos</path>
-    <extension>.bat .BAT .com .COM .dos .DOS .exe .EXE .pc .PC .7z .7Z .zip .ZIP</extension>
+    <extension>.bat .BAT .com .COM .exe .EXE .7z .7Z .zip .ZIP</extension>
     <command>retroarch.exe -L "%EMUPATH%\cores\dosbox_core_libretro.dll" %ROM%</command>
     <platform>dos</platform>
     <theme>dos</theme>
@@ -689,7 +689,7 @@
     <name>pc</name>
     <fullname>IBM PC</fullname>
     <path>%ROMPATH%\pc</path>
-    <extension>.bat .BAT .com .COM .dos .DOS .exe .EXE .pc .PC .7z .7Z .zip .ZIP</extension>
+    <extension>.bat .BAT .com .COM .exe .EXE .7z .7Z .zip .ZIP</extension>
     <command>retroarch.exe -L "%EMUPATH%\cores\dosbox_core_libretro.dll" %ROM%</command>
     <platform>pc</platform>
     <theme>pc</theme>