diff --git a/test_runner/batch_others/test_config.py b/test_runner/batch_others/test_config.py
index d7c59c4e77..0ec27b81e2 100644
--- a/test_runner/batch_others/test_config.py
+++ b/test_runner/batch_others/test_config.py
@@ -1,6 +1,6 @@
 from contextlib import closing
 
-from fixtures.zenith_fixtures import PostgresFactory, ZenithPageserver
+from fixtures.zenith_fixtures import PostgresFactory
 from fixtures.log_helper import log
 
 pytest_plugins = ("fixtures.zenith_fixtures")
@@ -9,7 +9,7 @@ pytest_plugins = ("fixtures.zenith_fixtures")
 #
 # Test starting Postgres with custom options
 #
-def test_config(zenith_cli, pageserver: ZenithPageserver, postgres: PostgresFactory, pg_bin):
+def test_config(zenith_cli, postgres: PostgresFactory):
     # Create a branch for us
     zenith_cli.run(["branch", "test_config", "empty"])
 
diff --git a/test_runner/batch_others/test_createdropdb.py b/test_runner/batch_others/test_createdropdb.py
index edaea5d220..83b6a799ae 100644
--- a/test_runner/batch_others/test_createdropdb.py
+++ b/test_runner/batch_others/test_createdropdb.py
@@ -101,4 +101,4 @@ def test_dropdb(
     assert os.path.isdir(dbpath) == False
 
     # Check that we restore the content of the datadir correctly
-    check_restored_datadir_content(zenith_cli, test_output_dir, pg, pageserver.service_port.pg)
+    check_restored_datadir_content(test_output_dir, pg, pageserver.service_port.pg)
diff --git a/test_runner/batch_others/test_multixact.py b/test_runner/batch_others/test_multixact.py
index 78504b95ed..7f032db8c3 100644
--- a/test_runner/batch_others/test_multixact.py
+++ b/test_runner/batch_others/test_multixact.py
@@ -71,4 +71,4 @@ def test_multixact(pageserver: ZenithPageserver,
     assert next_multixact_id_new == next_multixact_id
 
     # Check that we restore the content of the datadir correctly
-    check_restored_datadir_content(zenith_cli, test_output_dir, pg_new, pageserver.service_port.pg)
+    check_restored_datadir_content(test_output_dir, pg_new, pageserver.service_port.pg)
diff --git a/test_runner/batch_pg_regress/test_pg_regress.py b/test_runner/batch_pg_regress/test_pg_regress.py
index f2b1ee74df..eab65ff512 100644
--- a/test_runner/batch_pg_regress/test_pg_regress.py
+++ b/test_runner/batch_pg_regress/test_pg_regress.py
@@ -59,4 +59,4 @@ def test_pg_regress(pageserver: ZenithPageserver,
         lsn = pg.safe_psql('select pg_current_wal_insert_lsn()')[0][0]
 
         # Check that we restore the content of the datadir correctly
-        check_restored_datadir_content(zenith_cli, test_output_dir, pg, pageserver.service_port.pg)
+        check_restored_datadir_content(test_output_dir, pg, pageserver.service_port.pg)
diff --git a/test_runner/batch_pg_regress/test_zenith_regress.py b/test_runner/batch_pg_regress/test_zenith_regress.py
index 2b500837cc..29de95a570 100644
--- a/test_runner/batch_pg_regress/test_zenith_regress.py
+++ b/test_runner/batch_pg_regress/test_zenith_regress.py
@@ -65,4 +65,4 @@ def test_zenith_regress(postgres: PostgresFactory,
         lsn = pg.safe_psql('select pg_current_wal_insert_lsn()')[0][0]
 
         # Check that we restore the content of the datadir correctly
-        check_restored_datadir_content(zenith_cli, test_output_dir, pg, pageserver_port.pg)
+        check_restored_datadir_content(test_output_dir, pg, pageserver_port.pg)
diff --git a/test_runner/fixtures/zenith_fixtures.py b/test_runner/fixtures/zenith_fixtures.py
index 40b5b41093..f9879ec1f7 100644
--- a/test_runner/fixtures/zenith_fixtures.py
+++ b/test_runner/fixtures/zenith_fixtures.py
@@ -1157,10 +1157,7 @@ def list_files_to_compare(pgdata_dir: str):
 
 
 # pg is the existing and running compute node, that we want to compare with a basebackup
-def check_restored_datadir_content(zenith_cli: ZenithCli,
-                                   test_output_dir: str,
-                                   pg: Postgres,
-                                   pageserver_pg_port: int):
+def check_restored_datadir_content(test_output_dir: str, pg: Postgres, pageserver_pg_port: int):
 
     # Get the timeline ID of our branch. We need it for the 'basebackup' command
     with closing(pg.connect()) as conn:
diff --git a/test_runner/performance/test_bulk_insert.py b/test_runner/performance/test_bulk_insert.py
index cf6fa03703..ee7c062a47 100644
--- a/test_runner/performance/test_bulk_insert.py
+++ b/test_runner/performance/test_bulk_insert.py
@@ -18,7 +18,6 @@ pytest_plugins = ("fixtures.zenith_fixtures", "fixtures.benchmark_fixture")
 #
 def test_bulk_insert(postgres: PostgresFactory,
                      pageserver: ZenithPageserver,
-                     pg_bin,
                      zenith_cli,
                      zenbenchmark,
                      repo_dir: str):
diff --git a/test_runner/performance/test_gist_build.py b/test_runner/performance/test_gist_build.py
index 5a80978cf0..c4617e1252 100644
--- a/test_runner/performance/test_gist_build.py
+++ b/test_runner/performance/test_gist_build.py
@@ -13,7 +13,6 @@ pytest_plugins = ("fixtures.zenith_fixtures", "fixtures.benchmark_fixture")
 #
 def test_gist_buffering_build(postgres: PostgresFactory,
                               pageserver: ZenithPageserver,
-                              pg_bin,
                               zenith_cli,
                               zenbenchmark,
                               repo_dir: str):
diff --git a/test_runner/performance/test_write_amplification.py b/test_runner/performance/test_write_amplification.py
index 1a1cc7bf21..2ac8ee225b 100644
--- a/test_runner/performance/test_write_amplification.py
+++ b/test_runner/performance/test_write_amplification.py
@@ -20,7 +20,6 @@ pytest_plugins = ("fixtures.zenith_fixtures", "fixtures.benchmark_fixture")
 
 def test_write_amplification(postgres: PostgresFactory,
                              pageserver: ZenithPageserver,
-                             pg_bin,
                              zenith_cli,
                              zenbenchmark,
                              repo_dir: str):