diff --git a/scripts/launchpad_copy.py b/scripts/launchpad_copy.py
index 4fa2b1f..bb33fdc 100644
--- a/scripts/launchpad_copy.py
+++ b/scripts/launchpad_copy.py
@@ -158,7 +158,6 @@ def get_series(self, name):
         log.debug("Locating the series: %s...", name)
         return ppa.distribution.getSeries(name_or_version=name)
 
-    @functools.cache
     def get_published_sources(self, ppa, series_name=None, status=None):
         kwargs = {}
         if series_name:
@@ -169,7 +168,6 @@ def get_published_sources(self, ppa, series_name=None, status=None):
         log.debug("Listing source packages...")
         return ppa.getPublishedSources(**kwargs)
 
-    @functools.cache
     def get_builds_for_source(self, source):
         log.debug(
             "Listing %s builds for %s %s...",
@@ -179,7 +177,6 @@ def get_builds_for_source(self, source):
         )
         return source.getBuilds()
 
-    @functools.cache
     def get_source_packages(self, ppa, series_name, package_names=None):
         """Return {package_name: {version: source, ...}, ...}"""
         res = defaultdict(dict)
@@ -207,7 +204,6 @@ def has_published_binaries(self, ppa, name, version, series_name):
         builds = self.get_builds_for(ppa, name, version, series_name)
         return not builds or builds[0].buildstate == "Successfully built"
 
-    @functools.cache
     def get_usable_sources(self, ppa, package_names, series_name):
         res = []
         for source in self.get_published_sources(ppa, series_name):
diff --git a/tests/test_launchpad_copy.py b/tests/test_launchpad_copy.py
index 47419ab..7810e75 100644
--- a/tests/test_launchpad_copy.py
+++ b/tests/test_launchpad_copy.py
@@ -240,7 +240,7 @@ def test_get_usable_sources_filters_by_whitelist(self):
         src_bad.status = "Published"
 
         with patch.object(wrapper, "get_published_sources", return_value=[src_good, src_bad]):
-            result = LaunchpadWrapper.get_usable_sources.__wrapped__(wrapper, mock_ppa, ("kolibri-server",), "jammy")
+            result = wrapper.get_usable_sources(mock_ppa, ("kolibri-server",), "jammy")
 
         assert len(result) == 1
         assert result[0] == ("kolibri-server", "1.0")
@@ -255,7 +255,7 @@ def test_get_usable_sources_skips_superseded(self):
         src.status = "Superseded"
 
         with patch.object(wrapper, "get_published_sources", return_value=[src]):
-            result = LaunchpadWrapper.get_usable_sources.__wrapped__(wrapper, mock_ppa, ("kolibri-server",), "jammy")
+            result = wrapper.get_usable_sources(mock_ppa, ("kolibri-server",), "jammy")
 
         assert len(result) == 0