diff --git a/src/shared/tests.c b/src/shared/tests.c
index fc53546be0..a4ffd3ec02 100644
--- a/src/shared/tests.c
+++ b/src/shared/tests.c
@@ -15,11 +15,14 @@
 #undef basename
 
 #include "alloc-util.h"
+#include "cgroup-setup.h"
+#include "cgroup-util.h"
 #include "env-file.h"
 #include "env-util.h"
 #include "fs-util.h"
 #include "log.h"
 #include "path-util.h"
+#include "random-util.h"
 #include "strv.h"
 #include "tests.h"
 
@@ -168,3 +171,26 @@ bool can_memlock(void) {
         assert_se(munmap(p, CAN_MEMLOCK_SIZE) >= 0);
         return b;
 }
+
+int enter_cgroup_subroot(void) {
+        _cleanup_free_ char *cgroup_root = NULL, *cgroup_subroot = NULL;
+        CGroupMask supported;
+        int r;
+
+        r = cg_pid_get_path(NULL, 0, &cgroup_root);
+        if (r == -ENOMEDIUM)
+                return log_warning_errno(r, "cg_pid_get_path(NULL, 0, ...) failed: %m");
+        assert(r >= 0);
+
+        assert_se(asprintf(&cgroup_subroot, "%s/%" PRIx64, cgroup_root, random_u64()) >= 0);
+        assert_se(cg_mask_supported(&supported) >= 0);
+
+        /* If this fails, then we don't mind as the later cgroup operations will fail too, and it's fine if
+         * we handle any errors at that point. */
+
+        r = cg_create_everywhere(supported, _CGROUP_MASK_ALL, cgroup_subroot);
+        if (r < 0)
+                return r;
+
+        return cg_attach_everywhere(supported, cgroup_subroot, 0, NULL, NULL);
+}
diff --git a/src/shared/tests.h b/src/shared/tests.h
index 72f6f63651..3e4368460d 100644
--- a/src/shared/tests.h
+++ b/src/shared/tests.h
@@ -3,6 +3,8 @@
 
 #include <stdbool.h>
 
+#include "sd-daemon.h"
+
 #include "macro.h"
 
 static inline bool manager_errno_skip_test(int r) {
@@ -17,6 +19,7 @@ static inline bool manager_errno_skip_test(int r) {
 }
 
 char* setup_fake_runtime_dir(void);
+int enter_cgroup_subroot(void);
 const char* get_testdata_dir(void);
 const char* get_catalog_dir(void);
 bool slow_tests_enabled(void);
@@ -29,3 +32,10 @@ bool have_namespaces(void);
 /* We use the small but non-trivial limit here */
 #define CAN_MEMLOCK_SIZE (512 * 1024U)
 bool can_memlock(void);
+
+#define TEST_REQ_RUNNING_SYSTEMD(x)                                 \
+        if (sd_booted() > 0) {                                      \
+                x;                                                  \
+        } else {                                                    \
+                printf("systemd not booted skipping '%s'\n", #x);   \
+        }
diff --git a/src/test/meson.build b/src/test/meson.build
index 16050f0a7e..10ac3c973f 100644
--- a/src/test/meson.build
+++ b/src/test/meson.build
@@ -51,8 +51,7 @@ tests += [
          [],
          []],
 
-        [['src/test/test-engine.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-engine.c'],
          [libcore,
           libudev,
           libshared],
@@ -141,8 +140,7 @@ tests += [
          [],
          []],
 
-        [['src/test/test-unit-name.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-unit-name.c'],
          [libcore,
           libshared],
          [threads,
@@ -152,8 +150,7 @@ tests += [
           libmount,
           libblkid]],
 
-        [['src/test/test-load-fragment.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-load-fragment.c'],
          [libcore,
           libshared],
          [threads,
@@ -428,8 +425,7 @@ tests += [
          [libbasic],
          []],
 
-        [['src/test/test-bpf-firewall.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-bpf-firewall.c'],
          [libcore,
           libshared],
          [libmount,
@@ -439,8 +435,7 @@ tests += [
           libselinux,
           libblkid]],
 
-        [['src/test/test-watch-pid.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-watch-pid.c'],
          [libcore,
           libshared],
          [libmount,
@@ -590,14 +585,12 @@ tests += [
           libshared],
          []],
 
-        [['src/test/test-cgroup-unit-default.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-cgroup-unit-default.c'],
          [libcore,
           libshared],
          []],
 
-        [['src/test/test-cgroup-mask.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-cgroup-mask.c'],
          [libcore,
           libshared],
          [threads,
@@ -644,8 +637,7 @@ tests += [
          [],
          '', 'manual'],
 
-        [['src/test/test-path.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-path.c'],
          [libcore,
           libshared],
          [threads,
@@ -655,8 +647,7 @@ tests += [
           libmount,
           libblkid]],
 
-        [['src/test/test-execute.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-execute.c'],
          [libcore,
           libshared],
          [threads,
@@ -685,8 +676,7 @@ tests += [
          [],
          []],
 
-        [['src/test/test-sched-prio.c',
-          'src/test/test-helper.c'],
+        [['src/test/test-sched-prio.c'],
          [libcore,
           libshared],
          [threads,
diff --git a/src/test/test-bpf-firewall.c b/src/test/test-bpf-firewall.c
index 0942c61e0f..13f81d48d0 100644
--- a/src/test/test-bpf-firewall.c
+++ b/src/test/test-bpf-firewall.c
@@ -10,7 +10,6 @@
 #include "manager.h"
 #include "rm-rf.h"
 #include "service.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "unit.h"
 #include "virt.h"
diff --git a/src/test/test-cgroup-mask.c b/src/test/test-cgroup-mask.c
index ef3755de41..28a3721255 100644
--- a/src/test/test-cgroup-mask.c
+++ b/src/test/test-cgroup-mask.c
@@ -8,7 +8,6 @@
 #include "manager.h"
 #include "rm-rf.h"
 #include "string-util.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "unit.h"
 
diff --git a/src/test/test-cgroup-unit-default.c b/src/test/test-cgroup-unit-default.c
index 4fb629217f..c4af2a3cdf 100644
--- a/src/test/test-cgroup-unit-default.c
+++ b/src/test/test-cgroup-unit-default.c
@@ -5,7 +5,6 @@
 #include "cgroup.h"
 #include "manager.h"
 #include "rm-rf.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "unit.h"
 
diff --git a/src/test/test-cgroup-util.c b/src/test/test-cgroup-util.c
index e4fbb9edce..83b5156c11 100644
--- a/src/test/test-cgroup-util.c
+++ b/src/test/test-cgroup-util.c
@@ -13,7 +13,6 @@
 #include "stat-util.h"
 #include "string-util.h"
 #include "strv.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "user-util.h"
 #include "util.h"
diff --git a/src/test/test-engine.c b/src/test/test-engine.c
index c292ad1c7c..a32e98af11 100644
--- a/src/test/test-engine.c
+++ b/src/test/test-engine.c
@@ -7,7 +7,6 @@
 #include "manager.h"
 #include "rm-rf.h"
 #include "strv.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "service.h"
 
diff --git a/src/test/test-execute.c b/src/test/test-execute.c
index 957cc2e384..d846414750 100644
--- a/src/test/test-execute.c
+++ b/src/test/test-execute.c
@@ -20,7 +20,6 @@
 #endif
 #include "service.h"
 #include "stat-util.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "unit.h"
 #include "user-util.h"
diff --git a/src/test/test-helper.c b/src/test/test-helper.c
deleted file mode 100644
index 9e9de0132f..0000000000
--- a/src/test/test-helper.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1+ */
-
-#include "test-helper.h"
-#include "random-util.h"
-#include "alloc-util.h"
-#include "cgroup-setup.h"
-#include "string-util.h"
-
-int enter_cgroup_subroot(void) {
-        _cleanup_free_ char *cgroup_root = NULL, *cgroup_subroot = NULL;
-        CGroupMask supported;
-        int r;
-
-        r = cg_pid_get_path(NULL, 0, &cgroup_root);
-        if (r == -ENOMEDIUM)
-                return log_warning_errno(r, "cg_pid_get_path(NULL, 0, ...) failed: %m");
-        assert(r >= 0);
-
-        assert_se(asprintf(&cgroup_subroot, "%s/%" PRIx64, cgroup_root, random_u64()) >= 0);
-        assert_se(cg_mask_supported(&supported) >= 0);
-
-        /* If this fails, then we don't mind as the later cgroup operations will fail too, and it's fine if we handle
-         * any errors at that point. */
-
-        r = cg_create_everywhere(supported, _CGROUP_MASK_ALL, cgroup_subroot);
-        if (r < 0)
-                return r;
-
-        return cg_attach_everywhere(supported, cgroup_subroot, 0, NULL, NULL);
-}
diff --git a/src/test/test-helper.h b/src/test/test-helper.h
deleted file mode 100644
index 6e886ae3de..0000000000
--- a/src/test/test-helper.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1+ */
-#pragma once
-
-/***
-  Copyright © 2013 Holger Hans Peter Freyther
-***/
-
-#include "sd-daemon.h"
-
-#define TEST_REQ_RUNNING_SYSTEMD(x)                                 \
-        if (sd_booted() > 0) {                                      \
-                x;                                                  \
-        } else {                                                    \
-                printf("systemd not booted skipping '%s'\n", #x);   \
-        }
-
-int enter_cgroup_subroot(void);
diff --git a/src/test/test-load-fragment.c b/src/test/test-load-fragment.c
index cb808bfce0..8127afdd76 100644
--- a/src/test/test-load-fragment.c
+++ b/src/test/test-load-fragment.c
@@ -23,7 +23,6 @@
 #include "specifier.h"
 #include "string-util.h"
 #include "strv.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "tmpfile-util.h"
 #include "user-util.h"
diff --git a/src/test/test-path.c b/src/test/test-path.c
index 9157c6a13b..2537dc6972 100644
--- a/src/test/test-path.c
+++ b/src/test/test-path.c
@@ -16,7 +16,6 @@
 #include "rm-rf.h"
 #include "string-util.h"
 #include "strv.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "unit.h"
 #include "util.h"
diff --git a/src/test/test-process-util.c b/src/test/test-process-util.c
index 762a203577..d0f126b236 100644
--- a/src/test/test-process-util.c
+++ b/src/test/test-process-util.c
@@ -25,7 +25,6 @@
 #include "stdio-util.h"
 #include "string-util.h"
 #include "terminal-util.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "util.h"
 #include "virt.h"
diff --git a/src/test/test-sched-prio.c b/src/test/test-sched-prio.c
index d179ae21a6..386cd93cbf 100644
--- a/src/test/test-sched-prio.c
+++ b/src/test/test-sched-prio.c
@@ -9,7 +9,6 @@
 #include "macro.h"
 #include "manager.h"
 #include "rm-rf.h"
-#include "test-helper.h"
 #include "tests.h"
 
 int main(int argc, char *argv[]) {
diff --git a/src/test/test-unit-name.c b/src/test/test-unit-name.c
index 52c75406ae..d63647bad2 100644
--- a/src/test/test-unit-name.c
+++ b/src/test/test-unit-name.c
@@ -15,7 +15,6 @@
 #include "special.h"
 #include "specifier.h"
 #include "string-util.h"
-#include "test-helper.h"
 #include "tests.h"
 #include "unit-def.h"
 #include "unit-name.h"
diff --git a/src/test/test-watch-pid.c b/src/test/test-watch-pid.c
index 04d7e1fbd8..a26a0c9d9b 100644
--- a/src/test/test-watch-pid.c
+++ b/src/test/test-watch-pid.c
@@ -4,7 +4,6 @@
 #include "manager.h"
 #include "rm-rf.h"
 #include "service.h"
-#include "test-helper.h"
 #include "tests.h"
 
 int main(int argc, char *argv[]) {