diff --git a/src/tls/BearSSLTrustAnchors.h b/src/tls/BearSSLTrustAnchors.h
index 802dff3a..3646b6e8 100644
--- a/src/tls/BearSSLTrustAnchors.h
+++ b/src/tls/BearSSLTrustAnchors.h
@@ -55,26 +55,7 @@ static const unsigned char TA0_EC_Q[] = {
   0x42, 0x89, 0x89, 0x55, 0x22
 };
 
-static const unsigned char TA1_DN[] = {
-  0x30, 0x50, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
-  0x02, 0x55, 0x53, 0x31, 0x17, 0x30, 0x15, 0x06, 0x03, 0x55, 0x04, 0x0A,
-  0x13, 0x0E, 0x41, 0x72, 0x64, 0x75, 0x69, 0x6E, 0x6F, 0x20, 0x4C, 0x4C,
-  0x43, 0x20, 0x55, 0x53, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04,
-  0x0B, 0x13, 0x02, 0x49, 0x54, 0x31, 0x1B, 0x30, 0x19, 0x06, 0x03, 0x55,
-  0x04, 0x03, 0x13, 0x12, 0x63, 0x65, 0x73, 0x2E, 0x69, 0x6F, 0x74, 0x2E,
-  0x61, 0x72, 0x64, 0x75, 0x69, 0x6E, 0x6F, 0x2E, 0x63, 0x63
-};
-
-static const unsigned char TA1_EC_Q[] = {
-  0x04, 0x57, 0x4A, 0xF7, 0xFB, 0x20, 0x2A, 0x1E, 0xBD, 0x98, 0xD5, 0xA8,
-  0xFF, 0xD4, 0xEF, 0x7B, 0x90, 0xB9, 0x37, 0xA0, 0xB7, 0x00, 0x16, 0x09,
-  0x57, 0x3C, 0xD5, 0x92, 0x42, 0xAA, 0x9F, 0x78, 0xCF, 0xD5, 0x54, 0x21,
-  0xE6, 0x28, 0x89, 0x73, 0x2A, 0x4E, 0xC3, 0x9D, 0xBC, 0x10, 0x57, 0x79,
-  0x91, 0x87, 0x93, 0xD8, 0xAE, 0x15, 0xA7, 0xDB, 0x79, 0x56, 0x4D, 0x5F,
-  0x96, 0x8D, 0xE3, 0xDC, 0x51
-};
-
-static const br_x509_trust_anchor ArduinoIoTCloudTrustAnchor[2] = {
+static const br_x509_trust_anchor ArduinoIoTCloudTrustAnchor[1] = {
   {
     { (unsigned char *)TA0_DN, sizeof TA0_DN },
     BR_X509_TA_CA,
@@ -87,23 +68,10 @@ static const br_x509_trust_anchor ArduinoIoTCloudTrustAnchor[2] = {
         }
       }
     }
-  },
-  {
-    { (unsigned char *)TA1_DN, sizeof TA1_DN },
-    0,
-    {
-      BR_KEYTYPE_EC,
-      {
-        .ec = {
-          BR_EC_secp256r1,
-          (unsigned char *)TA1_EC_Q, sizeof TA1_EC_Q,
-        }
-      }
-    }
   }
 };
 
-#define ArduinoIoTCloudTrustAnchor_NUM (2)
+#define ArduinoIoTCloudTrustAnchor_NUM (1)
 
 #endif /* #ifdef BOARD_HAS_ECCX08 */