diff --git a/test/libmpv_common.h b/test/libmpv_common.h
index eb525f986d..bf70bfc9cf 100644
--- a/test/libmpv_common.h
+++ b/test/libmpv_common.h
@@ -24,20 +24,7 @@
 
 #include <mpv/client.h>
 
-// Stolen from osdep/compiler.h
-#ifdef __GNUC__
-#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format(printf, a1, a2)))
-#define MP_NORETURN __attribute__((noreturn))
-#else
-#define PRINTF_ATTRIBUTE(a1, a2)
-#define MP_NORETURN
-#endif
-
-// Broken crap with __USE_MINGW_ANSI_STDIO
-#if defined(__MINGW32__) && defined(__GNUC__) && !defined(__clang__)
-#undef PRINTF_ATTRIBUTE
-#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (gnu_printf, a1, a2)))
-#endif
+#include "osdep/compiler.h"
 
 // Global handle.
 static mpv_handle *ctx;
@@ -84,6 +71,39 @@ static inline void check_api_error(int status)
         fail("mpv API error: %s\n", mpv_error_string(status));
 }
 
+MP_UNUSED static void check_double(const char *property, double expect)
+{
+    double result_double;
+    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_DOUBLE, &result_double));
+    if (expect != result_double)
+        fail("Double: expected '%f' but got '%f'!\n", expect, result_double);
+}
+
+MP_UNUSED static void check_flag(const char *property, int expect)
+{
+    int result_flag;
+    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_FLAG, &result_flag));
+    if (expect != result_flag)
+        fail("Flag: expected '%d' but got '%d'!\n", expect, result_flag);
+}
+
+MP_UNUSED static void check_int(const char *property, int64_t expect)
+{
+    int64_t result_int;
+    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_INT64, &result_int));
+    if (expect != result_int)
+        fail("Int: expected '%" PRId64 "' but got '%" PRId64 "'!\n", expect, result_int);
+}
+
+MP_UNUSED static inline void check_string(const char *property, const char *expect)
+{
+    char *result_string;
+    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_STRING, &result_string));
+    if (strcmp(expect, result_string) != 0)
+        fail("String: expected '%s' but got '%s'!\n", expect, result_string);
+    mpv_free(result_string);
+}
+
 static inline void initialize(void)
 {
     check_api_error(mpv_set_option_string(ctx, "vo", "null"));
@@ -91,3 +111,18 @@ static inline void initialize(void)
     check_api_error(mpv_request_log_messages(ctx, "debug"));
     check_api_error(mpv_initialize(ctx));
 }
+
+static inline void reload_file(const char *path)
+{
+    const char *cmd[] = {"loadfile", path, NULL};
+    check_api_error(mpv_command(ctx, cmd));
+    bool loaded = false;
+    while (!loaded) {
+        mpv_event *event = wrap_wait_event();
+        switch (event->event_id) {
+        case MPV_EVENT_FILE_LOADED:
+            loaded = true;
+            break;
+        }
+    }
+}
diff --git a/test/libmpv_test_options.c b/test/libmpv_test_options.c
index b7f51cd6c2..f194fee270 100644
--- a/test/libmpv_test_options.c
+++ b/test/libmpv_test_options.c
@@ -23,39 +23,6 @@ static int flag = 1;
 static int64_t int_ = 20;
 static double double_ = 1.5;
 
-static void check_double(const char *property, double expect)
-{
-    double result_double;
-    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_DOUBLE, &result_double));
-    if (expect != result_double)
-        fail("Double: expected '%f' but got '%f'!\n", expect, result_double);
-}
-
-static void check_flag(const char *property, int expect)
-{
-    int result_flag;
-    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_FLAG, &result_flag));
-    if (expect != result_flag)
-        fail("Flag: expected '%d' but got '%d'!\n", expect, result_flag);
-}
-
-static void check_int(const char *property, int64_t expect)
-{
-    int64_t result_int;
-    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_INT64, &result_int));
-    if (expect != result_int)
-        fail("Int: expected '%" PRId64 "' but got '%" PRId64 "'!\n", expect, result_int);
-}
-
-static void check_string(const char *property, const char *expect)
-{
-    char *result_string;
-    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_STRING, &result_string));
-    if (strcmp(expect, result_string) != 0)
-        fail("String: expected '%s' but got '%s'!\n", expect, result_string);
-    mpv_free(result_string);
-}
-
 static void check_results(const char *properties[], enum mpv_format formats[])
 {
     for (int i = 0; properties[i]; i++) {
diff --git a/test/libmpv_test_track_selection.c b/test/libmpv_test_track_selection.c
index 57a33ceb78..1b8f9d4c2c 100644
--- a/test/libmpv_test_track_selection.c
+++ b/test/libmpv_test_track_selection.c
@@ -94,30 +94,6 @@ static bool have_english_locale(void)
     return true;
 }
 
-static void check_string(const char *property, const char *expect)
-{
-    char *result_string;
-    check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_STRING, &result_string));
-    if (strcmp(expect, result_string) != 0)
-        fail("String: expected '%s' but got '%s'!\n", expect, result_string);
-    mpv_free(result_string);
-}
-
-static void reload_file(const char *path)
-{
-    const char *cmd[] = {"loadfile", path, NULL};
-    check_api_error(mpv_command(ctx, cmd));
-    bool loaded = false;
-    while (!loaded) {
-        mpv_event *event = wrap_wait_event();
-        switch (event->event_id) {
-        case MPV_EVENT_FILE_LOADED:
-            loaded = true;
-            break;
-        }
-    }
-}
-
 static void test_track_selection(char *file, char *path)
 {
     int ret = access(path, F_OK);
diff --git a/test/meson.build b/test/meson.build
index 35638ce855..b01c529c23 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -119,15 +119,15 @@ if get_option('libmpv')
     file = join_paths(source_root, 'etc', 'mpv-icon-8bit-16x16.png')
 
     exe = executable('libmpv-test-file-loading', 'libmpv_test_file_loading.c',
-                     dependencies: libmpv_dep)
+                     include_directories: incdir, dependencies: libmpv_dep)
     test('libmpv-test-file-loading', exe, args: file, suite: 'libmpv')
 
     exe = executable('libmpv-test-lavfi-complex', 'libmpv_test_lavfi_complex.c',
-                     dependencies: libmpv_dep)
+                     include_directories: incdir, dependencies: libmpv_dep)
     test('libmpv-test-lavfi-complex', exe, args: file, suite: 'libmpv')
 
     exe = executable('libmpv-test-options', 'libmpv_test_options.c',
-                     dependencies: libmpv_dep)
+                     include_directories: incdir, dependencies: libmpv_dep)
     test('libmpv-test-options', exe, suite: 'libmpv')
 
     # Old versions of ffmpeg are bugged when setting forced tracks and older
diff --git a/test/samples/meson.build b/test/samples/meson.build
index f8d91d2707..d59a810ec5 100644
--- a/test/samples/meson.build
+++ b/test/samples/meson.build
@@ -68,7 +68,7 @@ foreach name, cmd: samples
     env = name == 'locale.mkv' ? 'LANG=C' : []
     testname = 'libmpv-test-' + name
     exe = executable(testname, '../libmpv_test_track_selection.c',
-                     dependencies: libmpv_dep)
+                     include_directories: incdir, dependencies: libmpv_dep)
     test(testname, exe, args: [name, target.full_path()],
          depends: target, env: env, suite: 'libmpv')
 endforeach