diff --git a/pkgs/development/libraries/xsimd/disable-test_error_gamma.patch b/pkgs/by-name/xs/xsimd/disable-test_error_gamma.patch
similarity index 100%
rename from pkgs/development/libraries/xsimd/disable-test_error_gamma.patch
rename to pkgs/by-name/xs/xsimd/disable-test_error_gamma.patch
diff --git a/pkgs/development/libraries/xsimd/default.nix b/pkgs/by-name/xs/xsimd/package.nix
similarity index 100%
rename from pkgs/development/libraries/xsimd/default.nix
rename to pkgs/by-name/xs/xsimd/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a5ac7c085ee4..a5a96640e84b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24896,8 +24896,6 @@ with pkgs;
 
   xlslib = callPackage ../development/libraries/xlslib { };
 
-  xsimd = callPackage ../development/libraries/xsimd { };
-
   xtensor = callPackage ../development/libraries/xtensor { };
 
   xtl = callPackage ../development/libraries/xtl { };