diff --git a/build_helper/build_helper_config_maps.py b/build_helper/build_helper_config_maps.py
index bcce37c..27664bc 100644
--- a/build_helper/build_helper_config_maps.py
+++ b/build_helper/build_helper_config_maps.py
@@ -27,7 +27,6 @@
     "arm/rse/tc"                         : "RSE_TC",
     "arm/rse/rdfremont"                  : "RSE_RDFremont",
     "cypress/psoc64"                     : "psoc64",
-    "lairdconnectivity/bl5340_dvk_cpuapp": "BL5340",
     "nordic_nrf/nrf5340dk_nrf5340_cpuapp": "nrf5340dk",
     "nordic_nrf/nrf9160dk_nrf9160"       : "nrf9160dk",
     "nuvoton/m2351"                      : "M2351",
diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index 71b0256..fc3c82c 100755
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -1019,21 +1019,6 @@
                 "invalid": _common_tfm_invalid_configs + []
                 }
 
-config_bl5340 = {"seed_params": {
-                "tfm_platform":     ["lairdconnectivity/bl5340_dvk_cpuapp"],
-                "compiler":         ["GCC_10_3"],
-                "isolation_level":  ["1"],
-                "test_regression":  ["OFF"],
-                "test_psa_api":     ["OFF"],
-                "cmake_build_type": ["Debug"],
-                "with_bl2":         [True],
-                "profile":          [""],
-                "extra_params":     ["NSOFF"]
-                },
-                "common_params": _common_tfm_builder_cfg,
-                "invalid": _common_tfm_invalid_configs + []
-                }
-
 config_nrf5340dk = {"seed_params": {
                 "tfm_platform":     ["nordic_nrf/nrf5340dk_nrf5340_cpuapp"],
                 "compiler":         ["GCC_10_3"],
@@ -1287,7 +1272,6 @@
                     "stm_stm32h573i_dk": config_stm32h573i_dk,
                     "stm_nucleo_l552ze_q": config_nucleo_l552ze_q,
                     "nxp_lpcxpresso55s69": config_lpcxpresso55s69,
-                    "laird_bl5340": config_bl5340,
                     "nordic_nrf5340dk": config_nrf5340dk,
                     "nordic_nrf9160dk": config_nrf9160dk,
                     "nuvoton_m2351": config_m2351,
diff --git a/script/tf-coverity/cov-makefile b/script/tf-coverity/cov-makefile
index 506a29e..385b960 100644
--- a/script/tf-coverity/cov-makefile
+++ b/script/tf-coverity/cov-makefile
@@ -16,7 +16,7 @@
 target_platforms := cypress/psoc64 \
                     arm/mps2/an519 arm/mps2/an521 \
                     arm/mps3/an524 \
-                    arm/musca_b1 arm/musca_s1 \
+                    arm/musca_b1 \
                     stm/stm32l562e_dk
 
 tf_m := trusted-firmware-m