diff --git a/tests/bsim/bluetooth/audio/test_scripts/_csip_notify.sh b/tests/bsim/bluetooth/audio/test_scripts/_csip_notify.sh
index 617a6b5676..a4f93794e6 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/_csip_notify.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/_csip_notify.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 SIMULATION_ID="csip_notify"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=30
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/audio/test_scripts/bap_bass_client_sync.sh b/tests/bsim/bluetooth/audio/test_scripts/bap_bass_client_sync.sh
index fb2f5d329c..e7d4b9c3df 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/bap_bass_client_sync.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/bap_bass_client_sync.sh
@@ -6,7 +6,6 @@
 
 SIMULATION_ID="bass_client_sync"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=20
 
 source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
diff --git a/tests/bsim/bluetooth/audio/test_scripts/has.sh b/tests/bsim/bluetooth/audio/test_scripts/has.sh
index 54fa56ae46..33dbabd51b 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/has.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/has.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 SIMULATION_ID="has"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/audio/test_scripts/ias.sh b/tests/bsim/bluetooth/audio/test_scripts/ias.sh
index 6655f9f23f..6728bdfb23 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/ias.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/ias.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 SIMULATION_ID="ias"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/audio/test_scripts/micp.sh b/tests/bsim/bluetooth/audio/test_scripts/micp.sh
index a943107ad7..268e487c1e 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/micp.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/micp.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 SIMULATION_ID="micp"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/audio/test_scripts/tbs.sh b/tests/bsim/bluetooth/audio/test_scripts/tbs.sh
index 02d044bf62..0a4282f89e 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/tbs.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/tbs.sh
@@ -9,7 +9,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 SIMULATION_ID="tbs_ccp"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/audio/test_scripts/tmap.sh b/tests/bsim/bluetooth/audio/test_scripts/tmap.sh
index 7bf4dc2ba7..ec1a2fc5b2 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/tmap.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/tmap.sh
@@ -6,7 +6,6 @@
 
 SIMULATION_ID="tmap"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=30
 
 source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
diff --git a/tests/bsim/bluetooth/audio/test_scripts/vcp.sh b/tests/bsim/bluetooth/audio/test_scripts/vcp.sh
index b90d0deba2..47dbba3e2b 100755
--- a/tests/bsim/bluetooth/audio/test_scripts/vcp.sh
+++ b/tests/bsim/bluetooth/audio/test_scripts/vcp.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 SIMULATION_ID="vcp"
 VERBOSITY_LEVEL=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart.sh b/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart.sh
index 7f5907763d..d8152d8073 100755
--- a/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart.sh
+++ b/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart.sh
@@ -10,7 +10,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # connected over UART. The controller is the HCI UART sample.
 simulation_id="basic_conn_split_hci_uart"
 verbosity_level=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart_async.sh b/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart_async.sh
index a1dc0e1a48..fef3e1c45e 100755
--- a/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart_async.sh
+++ b/tests/bsim/bluetooth/hci_uart/tests_scripts/basic_conn_split_hci_uart_async.sh
@@ -10,7 +10,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # connected over UART. The controller is the HCI UART async sample.
 simulation_id="basic_conn_split_hci_uart_async"
 verbosity_level=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/host/att/eatt/tests_scripts/lowres.sh b/tests/bsim/bluetooth/host/att/eatt/tests_scripts/lowres.sh
index 92abc234ed..36ff66d8ad 100755
--- a/tests/bsim/bluetooth/host/att/eatt/tests_scripts/lowres.sh
+++ b/tests/bsim/bluetooth/host/att/eatt/tests_scripts/lowres.sh
@@ -6,7 +6,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 simulation_id="lowres"
 verbosity_level=2
-EXECUTE_TIMEOUT=20
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/host/gatt/notify/test_scripts/_run_test.sh b/tests/bsim/bluetooth/host/gatt/notify/test_scripts/_run_test.sh
index ae652cf94a..0ed274c7b5 100755
--- a/tests/bsim/bluetooth/host/gatt/notify/test_scripts/_run_test.sh
+++ b/tests/bsim/bluetooth/host/gatt/notify/test_scripts/_run_test.sh
@@ -6,7 +6,6 @@ set -eu
 source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 
 verbosity_level=2
-EXECUTE_TIMEOUT=30
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/host/gatt/sc_indicate/test_scripts/sc_indicate.sh b/tests/bsim/bluetooth/host/gatt/sc_indicate/test_scripts/sc_indicate.sh
index 3018a5c877..4bd2dabdc5 100755
--- a/tests/bsim/bluetooth/host/gatt/sc_indicate/test_scripts/sc_indicate.sh
+++ b/tests/bsim/bluetooth/host/gatt/sc_indicate/test_scripts/sc_indicate.sh
@@ -8,7 +8,6 @@ test_name='sc_indicate'
 test_exe="bs_${BOARD_TS}_tests_bsim_bluetooth_host_gatt_${test_name}_prj_conf"
 simulation_id="${test_name}"
 verbosity_level=2
-EXECUTE_TIMEOUT=30
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso.sh b/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso.sh
index 762648523a..b9177ed581 100755
--- a/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso.sh
+++ b/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # to the BIS.
 simulation_id="broadcast_iso"
 verbosity_level=2
-EXECUTE_TIMEOUT=30
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_ticker_expire_info.sh b/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_ticker_expire_info.sh
index 463676cde8..8c9daf10bb 100755
--- a/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_ticker_expire_info.sh
+++ b/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_ticker_expire_info.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # to the BIS.
 simulation_id="broadcast_iso_ticker_expire_info"
 verbosity_level=2
-EXECUTE_TIMEOUT=30
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_vs_dp.sh b/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_vs_dp.sh
index b575efeed6..e0c4ab5e1b 100755
--- a/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_vs_dp.sh
+++ b/tests/bsim/bluetooth/ll/bis/tests_scripts/broadcast_iso_vs_dp.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # to the BIS, and recevied SDUs are emitted via vendor data path implementation.
 simulation_id="broadcast_iso_vs_dp"
 verbosity_level=2
-EXECUTE_TIMEOUT=30
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split.sh b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split.sh
index 7d4e594644..6dbc979536 100755
--- a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split.sh
+++ b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # notification
 simulation_id="basic_conn_encr_split"
 verbosity_level=2
-EXECUTE_TIMEOUT=5
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_privacy.sh b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_privacy.sh
index f3a898e173..a95021ca9d 100755
--- a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_privacy.sh
+++ b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_privacy.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # notification
 simulation_id="basic_conn_encr_split_privacy"
 verbosity_level=2
-EXECUTE_TIMEOUT=5
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_single_timer.sh b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_single_timer.sh
index 683aad85b6..5d61e45a20 100755
--- a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_single_timer.sh
+++ b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_encrypted_split_single_timer.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # notification
 simulation_id="basic_conn_encr_split_single_timer"
 verbosity_level=2
-EXECUTE_TIMEOUT=5
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split.sh b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split.sh
index 1946b388af..e54f40e554 100755
--- a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split.sh
+++ b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # notification, using the split controller (ULL LLL)
 simulation_id="basic_conn_split"
 verbosity_level=2
-EXECUTE_TIMEOUT=5
 
 cd ${BSIM_OUT_PATH}/bin
 
diff --git a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split_low_lat.sh b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split_low_lat.sh
index 9c21fc4d92..c7a2f0aaaf 100755
--- a/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split_low_lat.sh
+++ b/tests/bsim/bluetooth/ll/conn/tests_scripts/basic_conn_split_low_lat.sh
@@ -8,7 +8,6 @@ source ${ZEPHYR_BASE}/tests/bsim/sh_common.source
 # notification, using the split controller (ULL LLL) in Low Latency Variant
 simulation_id="basic_conn_split_low_lat"
 verbosity_level=2
-EXECUTE_TIMEOUT=5
 
 cd ${BSIM_OUT_PATH}/bin