diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 3678cc4b1..1f9211b38 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -744,7 +744,6 @@ component_test_small_mbedtls_ssl_dtls_max_buffering () {
 component_test_full_cmake_clang () {
     msg "build: cmake, full config, clang" # ~ 50s
     scripts/config.pl full
-    scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE # too slow for tests
     CC=clang cmake -D CMAKE_BUILD_TYPE:String=Check -D ENABLE_TESTING=On .
     make
 
@@ -826,8 +825,6 @@ component_test_check_params_without_platform () {
     msg "build+test: MBEDTLS_CHECK_PARAMS without MBEDTLS_PLATFORM_C"
     scripts/config.pl full # includes CHECK_PARAMS
     # Keep MBEDTLS_PARAM_FAILED as assert.
-    scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE # too slow for tests
-    scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
     scripts/config.pl unset MBEDTLS_PLATFORM_EXIT_ALT
     scripts/config.pl unset MBEDTLS_PLATFORM_TIME_ALT
     scripts/config.pl unset MBEDTLS_PLATFORM_FPRINTF_ALT
@@ -842,7 +839,6 @@ component_test_check_params_without_platform () {
 component_test_check_params_silent () {
     msg "build+test: MBEDTLS_CHECK_PARAMS with alternative MBEDTLS_PARAM_FAILED()"
     scripts/config.pl full # includes CHECK_PARAMS
-    scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE # too slow for tests
     # Set MBEDTLS_PARAM_FAILED to nothing.
     sed -i 's/.*\(#define MBEDTLS_PARAM_FAILED( cond )\).*/\1/' "$CONFIG_H"
     make CC=gcc CFLAGS='-Werror -O1' all test
@@ -863,7 +859,6 @@ component_test_no_platform () {
     scripts/config.pl unset MBEDTLS_PLATFORM_TIME_ALT
     scripts/config.pl unset MBEDTLS_PLATFORM_EXIT_ALT
     scripts/config.pl unset MBEDTLS_ENTROPY_NV_SEED
-    scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
     scripts/config.pl unset MBEDTLS_FS_IO
     # Note, _DEFAULT_SOURCE needs to be defined for platforms using glibc version >2.19,
     # to re-enable platform integration features otherwise disabled in C99 builds
@@ -1027,10 +1022,7 @@ component_test_m32_o1 () {
     # Build again with -O1, to compile in the i386 specific inline assembly
     msg "build: i386, make, gcc -O1 (ASan build)" # ~ 30s
     scripts/config.pl full
-    scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE
-    scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
-    scripts/config.pl unset MBEDTLS_MEMORY_DEBUG
-    make CC=gcc CFLAGS='-O1 -Werror -Wall -Wextra -m32 -fsanitize=address' LDFLAGS='-m32'
+    make CC=gcc CFLAGS='-O1 -Werror -Wall -Wextra -m32 -fsanitize=address' LDFLAGS='-m32 -fsanitize=address'
 
     msg "test: i386, make, gcc -O1 (ASan build)"
     make test