diff --git a/fuzz/client.c b/fuzz/client.c
index 6d331d600b4ba9..63975620bd6053 100644
--- a/fuzz/client.c
+++ b/fuzz/client.c
@@ -59,9 +59,9 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     BIO *in;
     BIO *out;
     SSL_CTX *ctx;
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
 /*
- * This ECHConfigList has 6 entries with different versions,
+ * This ECHConfigList has 6 entries wit ,
  * [13,10,9,13,10,13] - since our runtime no longer supports
  * version 9 or 10, we should see 3 configs loaded.
  */
@@ -91,7 +91,7 @@ static const char echconfig[] =
     OPENSSL_assert(SSL_set_min_proto_version(client, 0) == 1);
     OPENSSL_assert(SSL_set_cipher_list(client, "ALL:eNULL:@SECLEVEL=0") == 1);
     SSL_set_tlsext_host_name(client, "localhost");
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     OPENSSL_assert(SSL_ech_set1_echconfig(client, (unsigned char *)echconfig,
                                           strlen(echconfig)) == 1);
 #endif
diff --git a/fuzz/echclient.c b/fuzz/echclient.c
index 1564b4a47d125c..27898acda0f19c 100644
--- a/fuzz/echclient.c
+++ b/fuzz/echclient.c
@@ -59,7 +59,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     BIO *in;
     BIO *out;
     SSL_CTX *ctx;
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     unsigned char *echconfig = (unsigned char *)buf + len / 2;
 #endif
 
@@ -77,7 +77,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     OPENSSL_assert(SSL_set_min_proto_version(client, 0) == 1);
     OPENSSL_assert(SSL_set_cipher_list(client, "ALL:eNULL:@SECLEVEL=0") == 1);
     SSL_set_tlsext_host_name(client, "localhost");
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     if (SSL_ech_set1_echconfig(client, echconfig, len / 2) != 1)
         goto end;
 #endif
diff --git a/fuzz/echserver.c b/fuzz/echserver.c
index add04a0e30ab93..4d0d2aefdf57dd 100644
--- a/fuzz/echserver.c
+++ b/fuzz/echserver.c
@@ -24,7 +24,7 @@
 #include <openssl/dh.h>
 #include <openssl/err.h>
 #include "fuzzer.h"
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
 # include <internal/ech_helpers.h>
 #endif
 
@@ -492,7 +492,7 @@ static int idx;
 time_t time(time_t *t) TIME_IMPL(t)
 #endif
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
 static unsigned char s_echconfig[400];
 static size_t s_echconfiglen = sizeof(s_echconfig);
 static unsigned char config_id = 0;
@@ -513,7 +513,7 @@ static size_t hpke_infolen = 0;
 int FuzzerInitialize(int *argc, char ***argv)
 {
     STACK_OF(SSL_COMP) *comp_methods;
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     static unsigned char *bin_echconfig;
     static size_t bin_echconfiglen = 0;
 #endif
@@ -528,7 +528,7 @@ int FuzzerInitialize(int *argc, char ***argv)
     if (comp_methods != NULL)
         sk_SSL_COMP_sort(comp_methods);
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     if (ossl_ech_make_echconfig(s_echconfig, &s_echconfiglen,
                                 priv, &privlen,
                                 ech_version, max_name_length,
@@ -563,7 +563,7 @@ int FuzzerInitialize(int *argc, char ***argv)
     return 1;
 }
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
 /*
  * We'll use the left-half of the input buffer as the 
  * outer CH, HPKE encrypt the right-half and add that
@@ -690,7 +690,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     DSA *dsakey = NULL;
 #endif
     uint8_t opt;
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     unsigned char *msgout = NULL;
     size_t msgoutlen = 0;
 #endif
@@ -709,7 +709,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     opt = (uint8_t)buf[len-1];
     len--;
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     if ((opt & 0x02) != 0) {
         /* half the time we'll fuzz the enable_buffer call */
         ret = SSL_CTX_ech_server_enable_buffer(ctx, (unsigned char *)buf,
@@ -802,7 +802,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     SSL_set_bio(server, in, out);
     SSL_set_accept_state(server);
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     ret = make_ch_with_ech(&msgout, &msgoutlen, buf, len);
     OPENSSL_assert(ret == 1);
     OPENSSL_assert((size_t)BIO_write(in, msgout, msgoutlen) == msgoutlen);
@@ -841,7 +841,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
 
 void FuzzerCleanup(void)
 {
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     OPENSSL_free(hpke_info);
 #endif
     FuzzerClearRand();
diff --git a/fuzz/echsplit.c b/fuzz/echsplit.c
index 59531c6cc91a14..aa46b068a922c9 100644
--- a/fuzz/echsplit.c
+++ b/fuzz/echsplit.c
@@ -40,7 +40,7 @@ static int idx;
 time_t time(time_t *t) TIME_IMPL(t)
 #endif
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
 static unsigned char s_echconfig[400];
 static size_t s_echconfiglen = sizeof(s_echconfig);
 static unsigned char priv[200];
@@ -69,7 +69,7 @@ int FuzzerInitialize(int *argc, char ***argv)
     if (comp_methods != NULL)
         sk_SSL_COMP_sort(comp_methods);
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     if (ossl_ech_make_echconfig(s_echconfig, &s_echconfiglen,
                                 priv, &privlen,
                                 ech_version, max_name_length,
@@ -89,7 +89,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
 {
     SSL_CTX *ctx;
     int ret;
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     unsigned char *inner = NULL;
     size_t innerlen = 0;
     char *inner_sni = NULL, *outer_sni = NULL;
@@ -107,7 +107,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     ret = SSL_CTX_set_cipher_list(ctx, "ALL:eNULL:@SECLEVEL=0");
     OPENSSL_assert(ret == 1);
 
-#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC)
+#if !defined(OPENSSL_NO_ECH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECX)
     ret = SSL_CTX_ech_server_enable_buffer(ctx, (unsigned char *)echkeybuf,
                                            echkeybuflen, SSL_ECH_USE_FOR_RETRY);
     OPENSSL_assert(ret == 1);