diff --git a/curl_fuzzer_tlv.cc b/curl_fuzzer_tlv.cc
index 07de82e2..c563295b 100644
--- a/curl_fuzzer_tlv.cc
+++ b/curl_fuzzer_tlv.cc
@@ -348,7 +348,7 @@ int fuzz_parse_tlv(FUZZ_DATA *fuzz, TLV *tlv)
     FSINGLETONTLV(fuzz, TLV_TYPE_USERAGENT, CURLOPT_USERAGENT);
     FSINGLETONTLV(fuzz, TLV_TYPE_SSH_HOST_PUBLIC_KEY_SHA256, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256);
     FSINGLETONTLV(fuzz, TLV_TYPE_PROXY, CURLOPT_PROXY);
-    FSINGLETONTLV(fuzz, TLV_TYPE_PROXYUSERPWD, CURLOPT_PROXYUSERPWD);
+    // FSINGLETONTLV(fuzz, TLV_TYPE_PROXYUSERPWD, CURLOPT_PROXYUSERPWD);
     FSINGLETONTLV(fuzz, TLV_TYPE_REFERER, CURLOPT_REFERER);
     FSINGLETONTLV(fuzz, TLV_TYPE_FTPPORT, CURLOPT_FTPPORT);
     FSINGLETONTLV(fuzz, TLV_TYPE_SSLCERT, CURLOPT_SSLCERT);
@@ -369,8 +369,8 @@ int fuzz_parse_tlv(FUZZ_DATA *fuzz, TLV *tlv)
     FSINGLETONTLV(fuzz, TLV_TYPE_SSH_PRIVATE_KEYFILE, CURLOPT_SSH_PRIVATE_KEYFILE);
     FSINGLETONTLV(fuzz, TLV_TYPE_SSH_HOST_PUBLIC_KEY_MD5, CURLOPT_SSH_HOST_PUBLIC_KEY_MD5);
     FSINGLETONTLV(fuzz, TLV_TYPE_ISSUERCERT, CURLOPT_ISSUERCERT);
-    FSINGLETONTLV(fuzz, TLV_TYPE_PROXYUSERNAME, CURLOPT_PROXYUSERNAME);
-    FSINGLETONTLV(fuzz, TLV_TYPE_PROXYPASSWORD, CURLOPT_PROXYPASSWORD);
+    // FSINGLETONTLV(fuzz, TLV_TYPE_PROXYUSERNAME, CURLOPT_PROXYUSERNAME);
+    // FSINGLETONTLV(fuzz, TLV_TYPE_PROXYPASSWORD, CURLOPT_PROXYPASSWORD);
     FSINGLETONTLV(fuzz, TLV_TYPE_NOPROXY, CURLOPT_NOPROXY);
     FSINGLETONTLV(fuzz, TLV_TYPE_SSH_KNOWNHOSTS, CURLOPT_SSH_KNOWNHOSTS);
     FSINGLETONTLV(fuzz, TLV_TYPE_TLSAUTH_USERNAME, CURLOPT_TLSAUTH_USERNAME);