diff --git a/.github/workflows/cron-daily-fuzz.yml b/.github/workflows/cron-daily-fuzz.yml
index 639869077..2686f70ff 100644
--- a/.github/workflows/cron-daily-fuzz.yml
+++ b/.github/workflows/cron-daily-fuzz.yml
@@ -28,7 +28,6 @@ jobs:
           bitcoin_deser_net_msg,
           bitcoin_outpoint_string,
           bitcoin_script_bytes_to_asm_fmt,
-          hashes_cbor,
           hashes_json,
           hashes_ripemd160,
           hashes_sha1,
diff --git a/Cargo-minimal.lock b/Cargo-minimal.lock
index cbc17e227..1784c15c2 100644
--- a/Cargo-minimal.lock
+++ b/Cargo-minimal.lock
@@ -75,7 +75,6 @@ dependencies = [
  "bitcoin",
  "honggfuzz",
  "serde",
- "serde_cbor",
  "serde_json",
 ]
 
@@ -156,12 +155,6 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "half"
-version = "1.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62aca2aba2d62b4a7f5b33f3712cb1b0692779a56fb510499d5c0aa594daeaf3"
-
 [[package]]
 name = "hex-conservative"
 version = "0.2.0"
@@ -386,17 +379,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde_cbor"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45cd6d95391b16cd57e88b68be41d504183b7faae22030c0cc3b3f73dd57b2fd"
-dependencies = [
- "byteorder",
- "half",
- "serde",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.156"
diff --git a/Cargo-recent.lock b/Cargo-recent.lock
index 2bd141b03..b8082677c 100644
--- a/Cargo-recent.lock
+++ b/Cargo-recent.lock
@@ -74,7 +74,6 @@ dependencies = [
  "bitcoin",
  "honggfuzz",
  "serde",
- "serde_cbor",
  "serde_json",
 ]
 
@@ -120,12 +119,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
 [[package]]
 name = "cc"
 version = "1.0.79"
@@ -155,12 +148,6 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "half"
-version = "1.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62aca2aba2d62b4a7f5b33f3712cb1b0692779a56fb510499d5c0aa594daeaf3"
-
 [[package]]
 name = "hex-conservative"
 version = "0.2.0"
@@ -375,17 +362,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde_cbor"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45cd6d95391b16cd57e88b68be41d504183b7faae22030c0cc3b3f73dd57b2fd"
-dependencies = [
- "byteorder",
- "half",
- "serde",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.156"
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 51d639861..cd48ead1c 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -15,7 +15,6 @@ bitcoin = { path = "../bitcoin", features = [ "serde" ] }
 
 serde = { version = "1.0.103", features = [ "derive" ] }
 serde_json = "1.0"
-serde_cbor = "0.9"
 
 [lints.rust]
 unexpected_cfgs = { level = "deny", check-cfg = ['cfg(fuzzing)'] }
@@ -60,10 +59,6 @@ path = "fuzz_targets/bitcoin/outpoint_string.rs"
 name = "bitcoin_script_bytes_to_asm_fmt"
 path = "fuzz_targets/bitcoin/script_bytes_to_asm_fmt.rs"
 
-[[bin]]
-name = "hashes_cbor"
-path = "fuzz_targets/hashes/cbor.rs"
-
 [[bin]]
 name = "hashes_json"
 path = "fuzz_targets/hashes/json.rs"
diff --git a/fuzz/fuzz_targets/hashes/cbor.rs b/fuzz/fuzz_targets/hashes/cbor.rs
deleted file mode 100644
index 29287577d..000000000
--- a/fuzz/fuzz_targets/hashes/cbor.rs
+++ /dev/null
@@ -1,56 +0,0 @@
-use bitcoin::hashes::{ripemd160, sha1, sha256d, sha512, Hmac};
-use honggfuzz::fuzz;
-use serde::{Deserialize, Serialize};
-
-#[derive(Deserialize, Serialize)]
-struct Hmacs {
-    sha1: Hmac<sha1::Hash>,
-    sha512: Hmac<sha512::Hash>,
-}
-
-#[derive(Deserialize, Serialize)]
-struct Main {
-    hmacs: Hmacs,
-    ripemd: ripemd160::Hash,
-    sha2d: sha256d::Hash,
-}
-
-fn do_test(data: &[u8]) {
-    if let Ok(m) = serde_cbor::from_slice::<Main>(data) {
-        let vec = serde_cbor::to_vec(&m).unwrap();
-        assert_eq!(data, &vec[..]);
-    }
-}
-
-fn main() {
-    loop {
-        fuzz!(|d| { do_test(d) });
-    }
-}
-
-#[cfg(all(test, fuzzing))]
-mod tests {
-    fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
-        let mut b = 0;
-        for (idx, c) in hex.as_bytes().iter().enumerate() {
-            b <<= 4;
-            match *c {
-                b'A'..=b'F' => b |= c - b'A' + 10,
-                b'a'..=b'f' => b |= c - b'a' + 10,
-                b'0'..=b'9' => b |= c - b'0',
-                _ => panic!("Bad hex"),
-            }
-            if (idx & 1) == 1 {
-                out.push(b);
-                b = 0;
-            }
-        }
-    }
-
-    #[test]
-    fn duplicate_crash() {
-        let mut a = Vec::new();
-        extend_vec_from_hex("00000", &mut a);
-        super::do_test(&a);
-    }
-}
diff --git a/fuzz/generate-files.sh b/fuzz/generate-files.sh
index bead190b4..74aeacc2b 100755
--- a/fuzz/generate-files.sh
+++ b/fuzz/generate-files.sh
@@ -27,7 +27,6 @@ bitcoin = { path = "../bitcoin", features = [ "serde" ] }
 
 serde = { version = "1.0.103", features = [ "derive" ] }
 serde_json = "1.0"
-serde_cbor = "0.9"
 
 [lints.rust]
 unexpected_cfgs = { level = "deny", check-cfg = ['cfg(fuzzing)'] }