diff --git a/qa/zcash/updatecheck.py b/qa/zcash/updatecheck.py
index 4d929eda7..f02e1341f 100755
--- a/qa/zcash/updatecheck.py
+++ b/qa/zcash/updatecheck.py
@@ -100,62 +100,6 @@ def get_dependency_list():
             DependsVersionGetter("utfcpp"))
     ]
 
-    # Rust crates (filename portion: depends/packages/crate_<NAME>.mk).
-    crates = [
-        "addchain", "aes", "aesni", "aes_soft", "ansi_term",
-        "arrayvec", "arrayref", "autocfg",
-        "base64", "bellman", "bigint", "bit_vec", "blake2b_simd", "blake2s_simd",
-        "block_buffer", "block_cipher", "block_modes", "block_padding",
-        "bls12_381", "byteorder",
-        "cfg_if", "chrono", "constant_time_eq", "cpuid_bool",
-        "crossbeam_channel", "crossbeam_deque", "crossbeam_epoch",
-        "crossbeam_utils", "crossbeam_queue", "crossbeam",
-        "crunchy", "crypto_api", "crypto_api_chachapoly", "curve25519_dalek",
-        "directories", "dirs_sys", "digest",
-        "ed25519_zebra", "equihash",
-        "ff", "ff_derive", "fpe", "futures_cpupool", "futures",
-        "generic_array", "getrandom", "group",
-        "hermit_abi", "hex", "jubjub", "log",
-        "lazy_static", "libc", "matchers", "maybe_uninit", "memoffset",
-        "num_bigint", "num_cpus", "num_integer", "num_traits",
-        "ppv_lite86", "proc_macro2", "quote",
-        "opaque_debug", "pairing", "rand", "typenum",
-        "rand_chacha", "rand_core", "rand_hc", "rand_xorshift",
-        "redox_syscall", "redox_users",
-        "regex", "regex_automata", "regex_syntax", "rust_argon2",
-        "scopeguard", "serde",
-        "serde_derive", "sha2", "sharded_slab", "subtle", "syn", "thiserror",
-        "thiserror_impl", "thread_local", "time", "tracing", "tracing_appender",
-        "tracing_attributes", "tracing_core", "tracing_subscriber",
-        "unicode_xid", "version_check", "wasi",
-        "winapi_i686_pc_windows_gnu", "winapi",
-        "winapi_x86_64_pc_windows_gnu", "zcash_history", "zcash_primitives",
-        "zcash_proofs", "zeroize"
-    ]
-
-    # Sometimes we need multiple versions of a crate, in which case there can't
-    # be a direct mapping between the filename portion and the crate name.
-    crate_name_exceptions = {
-    }
-
-    for crate in crates:
-        if crate in crate_name_exceptions.keys():
-            crate_name = crate_name_exceptions[crate]
-        else:
-            crate_name = crate
-
-        # Rust dependency checks are temporarily disabled:
-        # https://github.com/zcash/zcash/issues/4726
-        # No-op statement to keep pyflakes happy:
-        crate_name = crate_name
-
-        # dependencies.append(
-        #     Dependency("crate_" + crate,
-        #         RustCrateReleaseLister(crate_name),
-        #         DependsVersionGetter("crate_" + crate)
-        #     )
-        # )
-
     return dependencies
 
 class Version(list):
@@ -238,47 +182,6 @@ class GithubTagReleaseLister:
         json = r.json()
         return list(map(lambda t: t["ref"].split("/")[-1], json))
 
-class RustCrateReleaseLister:
-    def __init__(self, crate):
-        self.crate = crate
-
-    def known_releases(self):
-        url = "https://crates.io/api/v1/crates/" + safe(self.crate) + "/versions"
-        r = requests.get(url)
-        if r.status_code != 200:
-            raise RuntimeError("Request to crates.io versions API failed.")
-        json = r.json()
-        version_numbers = list(map(lambda t: t["num"], json["versions"]))
-
-        release_versions = []
-        for num in version_numbers:
-            match = re.match("^(\d+)\.(\d+)\.(\d+)$", num)
-            if match:
-                release_versions.append(Version(match.groups()))
-
-        if len(release_versions) == 0:
-            raise RuntimeError("Failed to list release versions from crates.io.")
-
-        return release_versions
-
-class LibGmpReleaseLister:
-    def known_releases(self):
-        url = "https://gmplib.org/download/gmp/"
-        r = requests.get(url)
-        if r.status_code != 200:
-            raise RuntimeError("Request to libgmp download directory failed.")
-        page = r.text
-
-        # We use a set because the search will result in duplicates.
-        release_versions = set()
-        for match in re.findall("gmp-(\d+)\.(\d+)\.(\d+)\.tar.bz2", page):
-            release_versions.add(Version(match))
-
-        if Version((6, 1, 2)) not in release_versions:
-            raise RuntimeError("Missing expected version from libgmp download directory.")
-
-        return list(release_versions)
-
 class BerkeleyDbReleaseLister:
     def known_releases(self):
         url = "https://www.oracle.com/technetwork/products/berkeleydb/downloads/index-082944.html"
@@ -465,10 +368,20 @@ def main():
         sys.exit(0)
 
     if status == 0:
-        print("Ready to release. All dependencies are up-to-date or postponed.")
+        print("All non-Rust dependencies are up-to-date or postponed.")
     elif status == 1:
         print("Release is BLOCKED. There are new dependency updates that have not been postponed.")
 
+    print("""
+You should also check the Rust dependencies using cargo:
+
+  cargo install cargo-outdated cargo-audit
+  cargo outdated
+  cargo audit
+""")
+    if status == 0:
+        print("After checking those, you'll be ready for release! :-)")
+
     sys.exit(status)
 
 main()