chore(ci): remove obsolete `test_python_support`

diff --git a/.github/workflows/common.yml b/.github/workflows/common.yml
index 2df13d25c..d5ac39229 100644
--- a/.github/workflows/common.yml
+++ b/.github/workflows/common.yml
@@ -79,16 +79,6 @@ jobs:
       # LD_LIBRARY_PATH workaround: https://discourse.nixos.org/t/nixpkgs-nixos-unstable-many-package-fail-with-glibc-2-38-not-found/35078 https://github.com/NixOS/nixpkgs/issues/287764
       - run: nix-shell --arg fullDeps true --run "unset LD_LIBRARY_PATH && cd python && uv run tox"
 
-  python_support_test:
-    name: Python support test
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - uses: ./.github/actions/environment
-      - run: nix-shell --run "uv run make python_support_check"
-
   storage_test:
     name: Storage test
     # TODO: only for changes in storage/
diff --git a/Makefile b/Makefile
index bea3e5ec0..54a462980 100644
--- a/Makefile
+++ b/Makefile
@@ -98,9 +98,6 @@ ruststyle_check:
 	@cd core/embed/rust ; cargo fmt -- --check
 	@cd rust/trezor-client ; cargo fmt -- --check
 
-python_support_check:
-	./tests/test_python_support.py
-
 ## code generation commands:
 
 mocks: ## generate mock python headers from C modules
diff --git a/tests/test_python_support.py b/tests/test_python_support.py
deleted file mode 100755
index bb705f230..000000000
--- a/tests/test_python_support.py
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/usr/bin/env python3
-"""
-Verifying that all the tools can be run even by older python versions.
-
-Uses `pyright --pythonversion 3.X <path>` output to check for substrings that
-indicate the type-hints in the code are not compatible with this version.
-"""
-
-import os
-import subprocess
-import sys
-from pathlib import Path
-
-HERE = Path(__file__).resolve().parent
-ROOT_DIR = HERE.parent
-
-EXIT_CODE = 0
-
-os.chdir(ROOT_DIR)
-
-versions_to_check = [
-    "3.7",
-    "3.8",
-    "3.9",
-]
-
-dirs_to_check = [
-    "tools",
-    "common",
-    "core/tools",
-    "core/site_scons",
-]
-
-signs_of_issues = [
-    "is unknown import symbol",  # we need to import some stuff from typing_extensions instead of typing
-    "will generate runtime exception",  # happens when using `dict` or `list` as a type alias
-]
-
-
-def check_directory(path: str, python_version: str) -> None:
-    global EXIT_CODE
-    cmd = (
-        "pyright",
-        "--pythonversion",
-        python_version,
-        path,
-    )
-
-    result = subprocess.run(cmd, stdout=subprocess.PIPE, text=True)
-    for line in result.stdout.splitlines():
-        if any(sign in line for sign in signs_of_issues):
-            print(line)
-            EXIT_CODE = 1
-
-
-for version in versions_to_check:
-    print(f"Checking python version {version}")
-    for dir_to_check in dirs_to_check:
-        check_directory(dir_to_check, version)
-
-sys.exit(EXIT_CODE)