diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 1f5bad4..65dc471 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -458,20 +458,15 @@
 msg "test: gcc, force 64-bit compilation"
 make test
 
-msg "build: gcc, force 64-bit compilation, attempt to set MBEDTLS_TYPE_UDBL"
+msg "build: gcc, force 64-bit compilation"
 cleanup
 cp "$CONFIG_H" "$CONFIG_BAK"
 scripts/config.pl unset MBEDTLS_HAVE_ASM
 scripts/config.pl unset MBEDTLS_AESNI_C
 scripts/config.pl unset MBEDTLS_PADLOCK_C
-CC=gcc CFLAGS='-Werror -Wall -Wextra -DMBEDTLS_HAVE_INT64 -DMBEDTLS_TYPE_UDBL="typedef XXXXXX"' make
+CC=gcc CFLAGS='-Werror -Wall -Wextra -DMBEDTLS_HAVE_INT64' make
 fi # x86_64
 
-msg "build: gcc, attempt to set MBEDTLS_TYPE_UDBL for known compiler"
-cleanup
-cp "$CONFIG_H" "$CONFIG_BAK"
-CC=gcc CFLAGS='-Werror -Wall -Wextra -DMBEDTLS_TYPE_UDBL="typedef XXXXXX"' make
-
 msg "build: arm-none-eabi-gcc, make" # ~ 10s
 cleanup
 cp "$CONFIG_H" "$CONFIG_BAK"