diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index a60b66b..2b0122c 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2063,6 +2063,7 @@
     scripts/config.py unset MBEDTLS_ARC4_C
     scripts/config.py unset MBEDTLS_CIPHER_MODE_CBC
     scripts/config.py unset MBEDTLS_ECJPAKE_C
+    scripts/config.py unset MBEDTLS_CMAC_C
     make
 
     msg "test: !MBEDTLS_SSL_SOME_MODES_USE_MAC"