diff --git a/tests/posix/common/src/_main.c b/tests/posix/common/src/_main.c
index 8ecb328c50f6c7..264b2e403fd780 100644
--- a/tests/posix/common/src/_main.c
+++ b/tests/posix/common/src/_main.c
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
 #include <pthread.h>
 
+#include <zephyr/ztest.h>
+
 ZTEST_SUITE(posix_apis, NULL, NULL, NULL, NULL, NULL);
diff --git a/tests/posix/common/src/clock.c b/tests/posix/common/src/clock.c
index f32dbdb3ba90f3..154fa6c8da075d 100644
--- a/tests/posix/common/src/clock.c
+++ b/tests/posix/common/src/clock.c
@@ -3,10 +3,11 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+
 #include <zephyr/ztest.h>
-#include <zephyr/posix/time.h>
-#include <zephyr/posix/sys/time.h>
-#include <zephyr/posix/unistd.h>
 
 #define SLEEP_SECONDS 1
 #define CLOCK_INVALID -1
diff --git a/tests/posix/common/src/cond.c b/tests/posix/common/src/cond.c
index 04bf666b610350..76794f43a4e12b 100644
--- a/tests/posix/common/src/cond.c
+++ b/tests/posix/common/src/cond.c
@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
-
 #include <pthread.h>
 
+#include <zephyr/ztest.h>
+
 /**
  * @brief Test to demonstrate limited condition variable resources
  *
diff --git a/tests/posix/common/src/fnmatch.c b/tests/posix/common/src/fnmatch.c
index aa400b55f75c40..0d33f634183bac 100644
--- a/tests/posix/common/src/fnmatch.c
+++ b/tests/posix/common/src/fnmatch.c
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/posix/fnmatch.h>
+#include <fnmatch.h>
+
 #include <zephyr/ztest.h>
 
 /*
diff --git a/tests/posix/common/src/key.c b/tests/posix/common/src/key.c
index af6d1d1b58fc69..ff01617f6985fd 100644
--- a/tests/posix/common/src/key.c
+++ b/tests/posix/common/src/key.c
@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
-#include <zephyr/kernel.h>
 #include <pthread.h>
+
 #include <zephyr/sys/util.h>
+#include <zephyr/ztest.h>
 
 #define N_THR 2
 #define N_KEY 2
diff --git a/tests/posix/common/src/mqueue.c b/tests/posix/common/src/mqueue.c
index 15e43c6e92e0aa..74c16da6bfd54a 100644
--- a/tests/posix/common/src/mqueue.c
+++ b/tests/posix/common/src/mqueue.c
@@ -4,14 +4,13 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
-#include <zephyr/kernel.h>
-#include <zephyr/sys/printk.h>
 #include <fcntl.h>
-#include <zephyr/sys/util.h>
 #include <mqueue.h>
 #include <pthread.h>
 
+#include <zephyr/sys/util.h>
+#include <zephyr/ztest.h>
+
 #define N_THR 2
 #define STACKSZ (1024 + CONFIG_TEST_EXTRA_STACK_SIZE)
 #define SENDER_THREAD 0
diff --git a/tests/posix/common/src/mutex.c b/tests/posix/common/src/mutex.c
index 36750cea2a35f4..dae40cdc779097 100644
--- a/tests/posix/common/src/mutex.c
+++ b/tests/posix/common/src/mutex.c
@@ -5,11 +5,10 @@
  */
 
 #include <errno.h>
+#include <pthread.h>
 
 #include <zephyr/ztest.h>
 
-#include <pthread.h>
-
 #define STACK_SIZE (1024 + CONFIG_TEST_EXTRA_STACK_SIZE)
 
 static K_THREAD_STACK_DEFINE(stack, STACK_SIZE);
@@ -56,7 +55,7 @@ void *recursive_mutex_entry(void *p1)
  *	    and pthread_mutex_lock are tested with mutex type being
  *	    normal.
  */
-ZTEST(posix_apis, test_normal_mutex)
+ZTEST(posix_apis, test_mutex_normal)
 {
 	pthread_t thread_1;
 	pthread_attr_t attr;
@@ -112,7 +111,7 @@ ZTEST(posix_apis, test_normal_mutex)
  *	    twice and unlocked for the same number of time.
  *
  */
-ZTEST(posix_apis, test_recursive_mutex)
+ZTEST(posix_apis, test_mutex_recursive)
 {
 	pthread_t thread_2;
 	pthread_attr_t attr2;
diff --git a/tests/posix/common/src/nanosleep.c b/tests/posix/common/src/nanosleep.c
index 2e611004d765cd..3039f5c33c9be0 100644
--- a/tests/posix/common/src/nanosleep.c
+++ b/tests/posix/common/src/nanosleep.c
@@ -4,11 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
 #include <errno.h>
-#include <zephyr/posix/time.h>
 #include <stdint.h>
+#include <time.h>
+
 #include <zephyr/sys_clock.h>
+#include <zephyr/ztest.h>
 
 /** req and rem are both NULL */
 ZTEST(posix_apis, test_nanosleep_NULL_NULL)
diff --git a/tests/posix/common/src/pthread.c b/tests/posix/common/src/pthread.c
index e8d013bfbfa549..1bf029fb04d5dc 100644
--- a/tests/posix/common/src/pthread.c
+++ b/tests/posix/common/src/pthread.c
@@ -4,11 +4,11 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
-#include <zephyr/kernel.h>
 #include <pthread.h>
 #include <semaphore.h>
+
 #include <zephyr/sys/util.h>
+#include <zephyr/ztest.h>
 
 #ifndef min
 #define min(a, b) ((a) < (b)) ? (a) : (b)
@@ -411,7 +411,7 @@ ZTEST(posix_apis, test_pthread_execution)
 	printk("Barrier test OK\n");
 }
 
-ZTEST(posix_apis, test_pthread_error_condition)
+ZTEST(posix_apis, test_pthread_errors_errno)
 {
 	pthread_attr_t attr;
 	struct sched_param param;
diff --git a/tests/posix/common/src/rwlock.c b/tests/posix/common/src/rwlock.c
index 67fc45016672ab..aebf459c323e5c 100644
--- a/tests/posix/common/src/rwlock.c
+++ b/tests/posix/common/src/rwlock.c
@@ -4,9 +4,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
 #include <pthread.h>
+
 #include <zephyr/sys/util.h>
+#include <zephyr/ztest.h>
 
 #define N_THR 3
 #define STACKSZ (1024 + CONFIG_TEST_EXTRA_STACK_SIZE)
@@ -53,7 +54,7 @@ static void *thread_top(void *p1)
 	return NULL;
 }
 
-ZTEST(posix_apis, test_posix_rw_lock)
+ZTEST(posix_apis, test_rw_lock)
 {
 	int32_t i, ret;
 	pthread_attr_t attr[N_THR];
diff --git a/tests/posix/common/src/semaphore.c b/tests/posix/common/src/semaphore.c
index 8a12d8c917592a..622a34dc0736df 100644
--- a/tests/posix/common/src/semaphore.c
+++ b/tests/posix/common/src/semaphore.c
@@ -4,11 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
 #include <errno.h>
 #include <pthread.h>
 #include <semaphore.h>
 
+#include <zephyr/ztest.h>
+
 #define STACK_SIZE 1024
 
 sem_t sema;
diff --git a/tests/posix/common/src/sleep.c b/tests/posix/common/src/sleep.c
index a4d3392b1e6e2f..ba25d02d023e03 100644
--- a/tests/posix/common/src/sleep.c
+++ b/tests/posix/common/src/sleep.c
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/posix/unistd.h>
+#include <unistd.h>
+
 #include <zephyr/ztest.h>
 
 struct waker_work {
diff --git a/tests/posix/common/src/timer.c b/tests/posix/common/src/timer.c
index 668871b6aa2f39..c736ace18c705c 100644
--- a/tests/posix/common/src/timer.c
+++ b/tests/posix/common/src/timer.c
@@ -4,10 +4,11 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/ztest.h>
 #include <time.h>
 #include <unistd.h>
 
+#include <zephyr/ztest.h>
+
 #define SECS_TO_SLEEP 2
 #define DURATION_SECS 1
 #define DURATION_NSECS 0