diff --git a/tests/scripts/components-configuration-tls.sh b/tests/scripts/components-configuration-tls.sh
index 5a77c4defc..e2c3211d16 100644
--- a/tests/scripts/components-configuration-tls.sh
+++ b/tests/scripts/components-configuration-tls.sh
@@ -272,6 +272,7 @@ component_build_no_ssl_srv () {
     msg "build: full config except SSL server, make, gcc" # ~ 30s
     scripts/config.py full
     scripts/config.py unset MBEDTLS_SSL_SRV_C
+    scripts/config.py unset DEBUG_C
     $MAKE_COMMAND CC=gcc CFLAGS='-Werror -Wall -Wextra -O1 -Wmissing-prototypes'
 }
 
@@ -279,6 +280,7 @@ component_build_no_ssl_cli () {
     msg "build: full config except SSL client, make, gcc" # ~ 30s
     scripts/config.py full
     scripts/config.py unset MBEDTLS_SSL_CLI_C
+    scripts/config.py unset DEBUG_C
     $MAKE_COMMAND CC=gcc CFLAGS='-Werror -Wall -Wextra -O1 -Wmissing-prototypes'
 }