diff --git a/tests/drivers/fprotect/negative/src/main.c b/tests/drivers/fprotect/negative/src/main.c
index 3524286139f1..7c06db4d2d54 100644
--- a/tests/drivers/fprotect/negative/src/main.c
+++ b/tests/drivers/fprotect/negative/src/main.c
@@ -47,7 +47,6 @@ static void flash_write_protected_fails(uint32_t addr, bool backup)
 		err = flash_read(flash_dev, addr, read_buf, sizeof(read_buf));
 		zassert_equal(0, err, "flash_read() failed: %d.\n", err);
 	}
-	(void) flash_write_protection_set(flash_dev, false);
 	printk("NOTE: A BUS FAULT immediately after this message"
 		" means the test passed!\n");
 	zassert_equal(expected_fatal, actual_fatal, "An unexpected fatal error has occurred.\n");
diff --git a/tests/drivers/fprotect/positive/src/main.c b/tests/drivers/fprotect/positive/src/main.c
index 72732393bd68..5d552d68a343 100644
--- a/tests/drivers/fprotect/positive/src/main.c
+++ b/tests/drivers/fprotect/positive/src/main.c
@@ -31,7 +31,6 @@ static void test_flash_write(void)
 				ARRAY_SIZE(read_data_before));
 
 	zassert_true(retval == 0, "flash_read failed");
-	(void) flash_write_protection_set(flash_dev, false);
 	retval = flash_write(flash_dev, valid_write_addr, write_data,
 			     ARRAY_SIZE(write_data));
 	zassert_true(retval == 0, "flash_write failed");
diff --git a/tests/subsys/fw_info/src/main.c b/tests/subsys/fw_info/src/main.c
index e98ed89b9e57..986541be7b13 100644
--- a/tests/subsys/fw_info/src/main.c
+++ b/tests/subsys/fw_info/src/main.c
@@ -34,7 +34,6 @@ void test_fw_info_invalidate(void)
 	int ret;
 
 	const struct device *flash_dev = device_get_binding(PM_S0_DEV_NAME);
-	(void) flash_write_protection_set(flash_dev, false);
 
 	/* Write a dummy upgrade to S1 */
 	if (!fw_info_check(S1_ADDRESS)) {
diff --git a/tests/subsys/net/lib/fota_download/src/main.c b/tests/subsys/net/lib/fota_download/src/main.c
index 0cf2c50ac149..0e27b0ccd6db 100644
--- a/tests/subsys/net/lib/fota_download/src/main.c
+++ b/tests/subsys/net/lib/fota_download/src/main.c
@@ -155,9 +155,6 @@ void set_s0_active(bool s0_active)
 	err = flash_erase(fdev, PM_S1_ADDRESS, nrfx_nvmc_flash_page_size_get());
 	zassert_equal(err, 0, "flash_erase failed");
 
-	err = flash_write_protection_set(fdev, false);
-	zassert_equal(err, 0, "Disabling flash protection failed");
-
 	err = flash_write(fdev, PM_S0_ADDRESS, (void *)&s0_info,
 			  sizeof(s0_info));
 	zassert_equal(err, 0, "Unable to write to flash");
@@ -165,9 +162,6 @@ void set_s0_active(bool s0_active)
 	err = flash_write(fdev, PM_S1_ADDRESS, (void *)&s1_info,
 			  sizeof(s1_info));
 	zassert_equal(err, 0, "Unable to write to flash");
-
-	err = flash_write_protection_set(fdev, true);
-	zassert_equal(err, 0, "Enabling flash protection failed");
 }
 #endif