diff --git a/pkgs/applications/emulators/nestopia/build-fix.patch b/pkgs/by-name/ne/nestopia-ue/build-fix.patch
similarity index 100%
rename from pkgs/applications/emulators/nestopia/build-fix.patch
rename to pkgs/by-name/ne/nestopia-ue/build-fix.patch
diff --git a/pkgs/applications/emulators/nestopia/gcc6.patch b/pkgs/by-name/ne/nestopia-ue/gcc6.patch
similarity index 100%
rename from pkgs/applications/emulators/nestopia/gcc6.patch
rename to pkgs/by-name/ne/nestopia-ue/gcc6.patch
diff --git a/pkgs/applications/emulators/nestopia/default.nix b/pkgs/by-name/ne/nestopia-ue/package.nix
similarity index 100%
rename from pkgs/applications/emulators/nestopia/default.nix
rename to pkgs/by-name/ne/nestopia-ue/package.nix
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 98c3c66e780f8..cada874a211e7 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -685,7 +685,7 @@ mapAliases ({
   ### N ###
 
   ncdu_2 = ncdu; # Added 2022-07-22
-
+  nestopia = throw "nestopia was forked; use nestopia-ue instead"; # Added 2024-01-24
   net_snmp = throw "'net_snmp' has been renamed to/replaced by 'net-snmp'"; # Converted to throw 2023-09-10
   netbox_3_3 = throw "netbox 3.3 series has been removed as it was EOL"; # Added 2023-09-02
   netbox_3_5 = throw "netbox 3.5 series has been removed as it was EOL"; # Added 2024-01-22
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 32b6cc46bb5d2..71eaac46c8d0a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2780,8 +2780,6 @@ with pkgs;
 
   mupen64plus = callPackage ../applications/emulators/mupen64plus { };
 
-  nestopia = callPackage ../applications/emulators/nestopia { };
-
   np2kai = callPackage ../applications/emulators/np2kai { };
 
   nuked-md = callPackage ../applications/emulators/nuked-md { };