diff --git a/library/ecp_invasive.h b/library/ecp_invasive.h
index 1972f8c..45dd293 100644
--- a/library/ecp_invasive.h
+++ b/library/ecp_invasive.h
@@ -33,8 +33,7 @@
 
 #if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_ECP_C)
 
-#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) ||   \
-    defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
+#if defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
 /* Preconditions:
  *   - bits is a multiple of 64 or is 224
  *   - c is -1 or -2