diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index c85d4865e..7d91430ae 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -3851,8 +3851,8 @@ support_build_tfm_armcc () {
 
 component_build_tfm_armcc() {
     # test the TF-M configuration can build cleanly with various warning flags enabled
-    cp configs/tfm_mbedcrypto_config_profile_medium.h "$CONFIG_H"
-    cp configs/crypto_config_profile_medium.h "$CRYPTO_CONFIG_H"
+    cp configs/ext/tfm_mbedcrypto_config_profile_medium.h "$CONFIG_H"
+    cp configs/ext/crypto_config_profile_medium.h "$CRYPTO_CONFIG_H"
 
     msg "build: TF-M config, armclang armv7-m thumb2"
     make clean
@@ -3860,9 +3860,13 @@ component_build_tfm_armcc() {
 }
 
 component_build_tfm() {
-    # test the TF-M configuration can build cleanly with various warning flags enabled
-    cp configs/tfm_mbedcrypto_config_profile_medium.h "$CONFIG_H"
-    cp configs/crypto_config_profile_medium.h "$CRYPTO_CONFIG_H"
+    # Check that the TF-M configuration can build cleanly with various
+    # warning flags enabled. We don't build or run tests, since the
+    # TF-M configuration needs a TF-M platform. A tweaked version of
+    # the configuration that works on mainstream platforms is in
+    # configs/config-tfm.h, tested via test-ref-configs.pl.
+    cp configs/ext/tfm_mbedcrypto_config_profile_medium.h "$CONFIG_H"
+    cp configs/ext/crypto_config_profile_medium.h "$CRYPTO_CONFIG_H"
 
     msg "build: TF-M config, clang, armv7-m thumb2"
     make lib CC="clang" CFLAGS="--target=arm-linux-gnueabihf -march=armv7-m -mthumb -Os -std=c99 -Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunused"