diff --git a/.gitignore b/.gitignore
index 5197ca4dc..a22f77004 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,11 +17,16 @@ firmware/esp32-csi-node/sdkconfig.defaults.bak
 firmware/esp32-hello-world/sdkconfig.old
 
 # Host-built firmware test binaries (compiled from test/*.c, not source)
-firmware/esp32-csi-node/test/test_adr110
-firmware/esp32-csi-node/test/test_vitals
-firmware/esp32-csi-node/test/fuzz_serialize
-firmware/esp32-csi-node/test/fuzz_edge
-firmware/esp32-csi-node/test/fuzz_nvs
+# Compiled host-test and fuzz binaries. The Makefile writes them beside their
+# sources, so they land in a tracked directory. Ignore them by SHAPE rather
+# than by name: every source here carries an extension and no binary does.
+#
+# This replaced a hand-maintained list of five targets, which had gone stale --
+# test_csi_sanitize, test_mmwave_detect and test_thermal were all built by
+# `make host_tests`, ignored by nothing, and got committed by accident.
+firmware/esp32-csi-node/test/test_*
+firmware/esp32-csi-node/test/fuzz_*
+!firmware/esp32-csi-node/test/*.*
 firmware/esp32-csi-node/test/*.exe
 firmware/esp32-csi-node/test/*.obj