diff --git a/pkgs/development/python-modules/sqlalchemy/1.3-0001-fix-create-new-event-loop-if-not-exists.patch b/pkgs/development/python-modules/sqlalchemy/1.3-0001-fix-create-new-event-loop-if-not-exists.patch
deleted file mode 100644
index e10c13868423..000000000000
--- a/pkgs/development/python-modules/sqlalchemy/1.3-0001-fix-create-new-event-loop-if-not-exists.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From 98fd6e87243c6d5992429a9b90426af73dbcc3ff Mon Sep 17 00:00:00 2001
-From: Bart Oostveen <bart@bartoostveen.nl>
-Date: Fri, 10 Jul 2026 13:59:21 +0200
-Subject: [PATCH] fix: create new event loop if not exists
-
----
- lib/sqlalchemy/util/_concurrency_py3k.py | 4 +++-
- 1 file changed, 3 insertions(+), 1 deletion(-)
-
-diff --git a/lib/sqlalchemy/util/_concurrency_py3k.py b/lib/sqlalchemy/util/_concurrency_py3k.py
-index 1e4ffef..5aaf12c 100644
---- a/lib/sqlalchemy/util/_concurrency_py3k.py
-+++ b/lib/sqlalchemy/util/_concurrency_py3k.py
-@@ -190,6 +190,8 @@ def get_event_loop():
-         try:
-             return asyncio.get_running_loop()
-         except RuntimeError:
--            return asyncio.get_event_loop_policy().get_event_loop()
-+            loop = asyncio.new_event_loop()
-+            asyncio.set_event_loop(loop)
-+            return loop
-     else:
-         return asyncio.get_event_loop()
--- 
-2.54.0
-
diff --git a/pkgs/development/python-modules/sqlalchemy/1_3.nix b/pkgs/development/python-modules/sqlalchemy/1_3.nix
deleted file mode 100644
index 38670bc2b31c..000000000000
--- a/pkgs/development/python-modules/sqlalchemy/1_3.nix
+++ /dev/null
@@ -1,90 +0,0 @@
-{
-  lib,
-  buildPythonPackage,
-  fetchFromGitHub,
-
-  # build-system
-  setuptools,
-
-  # dependencies
-  greenlet,
-
-  # optionals
-  cx-oracle,
-  mysqlclient,
-  pg8000,
-  psycopg2,
-  psycopg2cffi,
-  # TODO: pymssql
-  pymysql,
-  pyodbc,
-
-  # tests
-  mock,
-  pytest-xdist,
-  pytestCheckHook,
-}:
-
-buildPythonPackage (finalAttrs: {
-  pname = "sqlalchemy";
-  version = "1.3.24";
-  pyproject = true;
-
-  src = fetchFromGitHub {
-    owner = "sqlalchemy";
-    repo = "sqlalchemy";
-    tag = "rel_${lib.replaceStrings [ "." ] [ "_" ] finalAttrs.version}";
-    hash = "sha256-6qAjyqMVrugABHssAQuql3z1YHTAOSm5hARJuJXJJvo=";
-  };
-
-  patches = [ ./1.3-0001-fix-create-new-event-loop-if-not-exists.patch ];
-
-  postPatch = ''
-    sed -i '/tag_build = dev/d' setup.cfg
-  '';
-
-  build-system = [ setuptools ];
-
-  dependencies = [ greenlet ];
-
-  optional-dependencies = lib.fix (self: {
-    mssql = [ pyodbc ];
-    mssql_pymysql = [
-      # TODO: pymssql
-    ];
-    mssql_pyodbc = [ pyodbc ];
-    mysql = [ mysqlclient ];
-    oracle = [ cx-oracle ];
-    postgresql = [ psycopg2 ];
-    postgresql_pg8000 = [ pg8000 ];
-    postgresql_psycopg2binary = [ psycopg2 ];
-    postgresql_psycopg2cffi = [ psycopg2cffi ];
-    pymysql = [ pymysql ];
-  });
-
-  nativeCheckInputs = [
-    pytest-xdist
-    pytestCheckHook
-    mock
-  ];
-
-  disabledTestPaths = [
-    # typing correctness, not interesting
-    "test/ext/mypy"
-    # slow and high memory usage, not interesting
-    "test/aaa_profiling"
-  ];
-
-  pythonImportsCheck = [ "sqlalchemy" ];
-
-  meta = {
-    changelog =
-      let
-        shortVersion = lib.replaceString "." "" (lib.versions.majorMinor finalAttrs.version);
-      in
-      "https://github.com/sqlalchemy/sqlalchemy/blob/${finalAttrs.src.rev}/doc/build/changelog/changelog_${shortVersion}.rst";
-    description = "Database Toolkit for Python";
-    homepage = "https://github.com/sqlalchemy/sqlalchemy";
-    license = lib.licenses.mit;
-  };
-})
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index a1a91a4f07f2..8a566c266dc1 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -639,6 +639,7 @@ mapAliases {
   sphinxcontrib_plantuml = throw "'sphinxcontrib_plantuml' has been renamed to/replaced by 'sphinxcontrib-plantuml'"; # Converted to throw 2025-10-29
   sqlalchemy-utc = throw "'sqlalchemy-utc' has been removed as it was unmaintained upstream"; # Added 2026-03-19
   sqlalchemy-views = throw "'sqlalchemy-views' has been removed as it was broken and unmaintained upstream"; # Added 2025-11-09
+  sqlalchemy_1_3 = throw "'sqlalchemy_1_3' has been removed because it was actually version 1.4.54"; # added 2026-07-20
   sqlalchemy_migrate = throw "'sqlalchemy_migrate' has been renamed to/replaced by 'sqlalchemy-migrate'"; # Converted to throw 2025-10-29
   steamship = throw "'steamship' has been removed because it is broken and unmaintained upstream"; # Added 2026-05-06
   strawberry-django = strawberry-graphql-django; # Added 2026-07-14
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a48c1f552066..da8342e4c4ca 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -19329,8 +19329,6 @@ self: super: with self; {
 
   sqlalchemy-utils = callPackage ../development/python-modules/sqlalchemy-utils { };
 
-  sqlalchemy_1_3 = callPackage ../development/python-modules/sqlalchemy/1_3.nix { };
-
   sqlalchemy_1_4 = callPackage ../development/python-modules/sqlalchemy/1_4.nix { };
 
   sqlcipher3 = callPackage ../development/python-modules/sqlcipher3 { };