diff --git a/tests/subsys/dfu/img_util/testcase.yaml b/tests/subsys/dfu/img_util/testcase.yaml
index 54b8de1320e..1e8c681b562 100644
--- a/tests/subsys/dfu/img_util/testcase.yaml
+++ b/tests/subsys/dfu/img_util/testcase.yaml
@@ -1,8 +1,6 @@
 common:
   platform_allow:
     - nrf52840dk/nrf52840
-    - native_posix
-    - native_posix/native/64
     - native_sim
     - native_sim/native/64
   integration_platforms:
diff --git a/tests/subsys/dfu/mcuboot/testcase.yaml b/tests/subsys/dfu/mcuboot/testcase.yaml
index 14e2429ce0a..b8d05692a27 100644
--- a/tests/subsys/dfu/mcuboot/testcase.yaml
+++ b/tests/subsys/dfu/mcuboot/testcase.yaml
@@ -2,8 +2,6 @@ tests:
   dfu.mcuboot:
     platform_allow:
       - nrf52840dk/nrf52840
-      - native_posix
-      - native_posix/native/64
       - native_sim
       - native_sim/native/64
     tags: dfu_mcuboot