diff --git a/library/psa_crypto_ffdh.c b/library/psa_crypto_ffdh.c
index a57f02e..6cc086e 100644
--- a/library/psa_crypto_ffdh.c
+++ b/library/psa_crypto_ffdh.c
@@ -35,58 +35,78 @@
         return PSA_ERROR_INVALID_ARGUMENT;
     }
 
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_2048)
     static const unsigned char dhm_P_2048[] =
         MBEDTLS_DHM_RFC7919_FFDHE2048_P_BIN;
-    static const unsigned char dhm_P_3072[] =
-        MBEDTLS_DHM_RFC7919_FFDHE3072_P_BIN;
-    static const unsigned char dhm_P_4096[] =
-        MBEDTLS_DHM_RFC7919_FFDHE4096_P_BIN;
-    static const unsigned char dhm_P_6144[] =
-        MBEDTLS_DHM_RFC7919_FFDHE6144_P_BIN;
-    static const unsigned char dhm_P_8192[] =
-        MBEDTLS_DHM_RFC7919_FFDHE8192_P_BIN;
     static const unsigned char dhm_G_2048[] =
         MBEDTLS_DHM_RFC7919_FFDHE2048_G_BIN;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_2048 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_3072)
+    static const unsigned char dhm_P_3072[] =
+        MBEDTLS_DHM_RFC7919_FFDHE3072_P_BIN;
     static const unsigned char dhm_G_3072[] =
         MBEDTLS_DHM_RFC7919_FFDHE3072_G_BIN;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_3072 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_4096)
+    static const unsigned char dhm_P_4096[] =
+        MBEDTLS_DHM_RFC7919_FFDHE4096_P_BIN;
     static const unsigned char dhm_G_4096[] =
         MBEDTLS_DHM_RFC7919_FFDHE4096_G_BIN;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_4096 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_6144)
+    static const unsigned char dhm_P_6144[] =
+        MBEDTLS_DHM_RFC7919_FFDHE6144_P_BIN;
     static const unsigned char dhm_G_6144[] =
         MBEDTLS_DHM_RFC7919_FFDHE6144_G_BIN;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_6144 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_8192)
+    static const unsigned char dhm_P_8192[] =
+        MBEDTLS_DHM_RFC7919_FFDHE8192_P_BIN;
     static const unsigned char dhm_G_8192[] =
         MBEDTLS_DHM_RFC7919_FFDHE8192_G_BIN;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_8192 */
 
     switch (key_size) {
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_2048)
         case sizeof(dhm_P_2048):
             dhm_P = dhm_P_2048;
             dhm_G = dhm_G_2048;
             dhm_size_P = sizeof(dhm_P_2048);
             dhm_size_G = sizeof(dhm_G_2048);
             break;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_2048 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_3072)
         case sizeof(dhm_P_3072):
             dhm_P = dhm_P_3072;
             dhm_G = dhm_G_3072;
             dhm_size_P = sizeof(dhm_P_3072);
             dhm_size_G = sizeof(dhm_G_3072);
             break;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_3072 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_4096)
         case sizeof(dhm_P_4096):
             dhm_P = dhm_P_4096;
             dhm_G = dhm_G_4096;
             dhm_size_P = sizeof(dhm_P_4096);
             dhm_size_G = sizeof(dhm_G_4096);
             break;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_4096 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_6144)
         case sizeof(dhm_P_6144):
             dhm_P = dhm_P_6144;
             dhm_G = dhm_G_6144;
             dhm_size_P = sizeof(dhm_P_6144);
             dhm_size_G = sizeof(dhm_G_6144);
             break;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_6144 */
+#if defined(MBEDTLS_PSA_BUILTIN_DH_RFC7919_8192)
         case sizeof(dhm_P_8192):
             dhm_P = dhm_P_8192;
             dhm_G = dhm_G_8192;
             dhm_size_P = sizeof(dhm_P_8192);
             dhm_size_G = sizeof(dhm_G_8192);
             break;
+#endif /* MBEDTLS_PSA_BUILTIN_DH_RFC7919_8192 */
         default:
             return PSA_ERROR_INVALID_ARGUMENT;
     }