diff --git a/tests/scripts/components-configuration-crypto.sh b/tests/scripts/components-configuration-crypto.sh
index f0cd47f..e674296 100644
--- a/tests/scripts/components-configuration-crypto.sh
+++ b/tests/scripts/components-configuration-crypto.sh
@@ -2433,7 +2433,7 @@
     make test
 }
 
-# helper for common_block_cipher_no_decrypt() which:
+# helper for component_test_block_cipher_no_decrypt_aesni() which:
 # - enable/disable the list of config options passed from -s/-u respectively.
 # - build
 # - test for tests_suite_xxx
@@ -2487,13 +2487,32 @@
     programs/test/selftest
 }
 
-# This is a common configuration function used in:
-# - component_test_block_cipher_no_decrypt_aesni_legacy()
-# - component_test_block_cipher_no_decrypt_aesni_use_psa()
-# in order to test BLOCK_CIPHER_NO_DECRYPT with AESNI intrinsics,
-# AESNI assembly and AES C implementation on x86_64 and with AESNI intrinsics
-# on x86.
-common_block_cipher_no_decrypt () {
+# This is a configuration function used in component_test_block_cipher_no_decrypt_xxx:
+config_block_cipher_no_decrypt () {
+    scripts/config.py set MBEDTLS_BLOCK_CIPHER_NO_DECRYPT
+    scripts/config.py unset MBEDTLS_CIPHER_MODE_XTS
+    scripts/config.py unset MBEDTLS_NIST_KW_C
+
+    # Enable support for cryptographic mechanisms through the PSA API.
+    # Note: XTS, KW are not yet supported via the PSA API in Mbed TLS.
+    scripts/config.py set MBEDTLS_PSA_CRYPTO_CONFIG
+    scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_ALG_CBC_NO_PADDING
+    scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_ALG_CBC_PKCS7
+    scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_ALG_ECB_NO_PADDING
+    scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_KEY_TYPE_DES
+    # Note: The three unsets below are to be removed for Mbed TLS 4.0
+    scripts/config.py unset MBEDTLS_CIPHER_MODE_CBC
+    scripts/config.py unset MBEDTLS_DES_C
+}
+
+component_test_block_cipher_no_decrypt_aesni () {
+    # Test BLOCK_CIPHER_NO_DECRYPT with AESNI intrinsics, AESNI assembly and
+    # AES C implementation on x86_64 and with AESNI intrinsics on x86.
+
+    # This consistently causes an llvm crash on clang 3.8, so use gcc
+    export CC=gcc
+    config_block_cipher_no_decrypt
+
     # test AESNI intrinsics
     helper_block_cipher_no_decrypt_build_test \
         -s "MBEDTLS_AESNI_C" \
@@ -2515,43 +2534,6 @@
         -l "-m32"
 }
 
-# This is a configuration function used in component_test_block_cipher_no_decrypt_xxx:
-# usage: 0: no PSA crypto configuration
-#        1: use PSA crypto configuration
-config_block_cipher_no_decrypt () {
-    use_psa=$1
-
-    scripts/config.py set MBEDTLS_BLOCK_CIPHER_NO_DECRYPT
-    scripts/config.py unset MBEDTLS_CIPHER_MODE_CBC
-    scripts/config.py unset MBEDTLS_CIPHER_MODE_XTS
-    scripts/config.py unset MBEDTLS_DES_C
-    scripts/config.py unset MBEDTLS_NIST_KW_C
-
-    if [ "$use_psa" -eq 1 ]; then
-        # Enable support for cryptographic mechanisms through the PSA API.
-        # Note: XTS, KW are not yet supported via the PSA API in Mbed TLS.
-        scripts/config.py set MBEDTLS_PSA_CRYPTO_CONFIG
-        scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_ALG_CBC_NO_PADDING
-        scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_ALG_CBC_PKCS7
-        scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_ALG_ECB_NO_PADDING
-        scripts/config.py -f "$CRYPTO_CONFIG_H" unset PSA_WANT_KEY_TYPE_DES
-    fi
-}
-
-component_test_block_cipher_no_decrypt_aesni () {
-    # This consistently causes an llvm crash on clang 3.8, so use gcc
-    export CC=gcc
-    config_block_cipher_no_decrypt 0
-    common_block_cipher_no_decrypt
-}
-
-component_test_block_cipher_no_decrypt_aesni_use_psa () {
-    # This consistently causes an llvm crash on clang 3.8, so use gcc
-    export CC=gcc
-    config_block_cipher_no_decrypt 1
-    common_block_cipher_no_decrypt
-}
-
 support_test_block_cipher_no_decrypt_aesce_armcc () {
     support_build_armcc
 }
@@ -2571,7 +2553,7 @@
     scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
     scripts/config.py set MBEDTLS_HAVE_ASM
 
-    config_block_cipher_no_decrypt 1
+    config_block_cipher_no_decrypt
 
     # test AESCE baremetal build
     scripts/config.py set MBEDTLS_AESCE_C