diff --git a/fuzz/fuzz_targets/bitcoin/deserialize_psbt.rs b/fuzz/fuzz_targets/bitcoin/deserialize_psbt.rs
index 59d28142c..b3fe54bbd 100644
--- a/fuzz/fuzz_targets/bitcoin/deserialize_psbt.rs
+++ b/fuzz/fuzz_targets/bitcoin/deserialize_psbt.rs
@@ -1,16 +1,7 @@
 use honggfuzz::fuzz;
 
-fn consume_random_bytes<'a>(data: &mut &'a [u8]) -> &'a [u8] {
-    if data.is_empty() {
-        return &[];
-    }
-
-    let length = (data[0] as usize) % (data.len() + 1);
-    let (bytes, rest) = data.split_at(length);
-    *data = rest;
-
-    bytes
-}
+mod fuzz_utils;
+use fuzz_utils::consume_random_bytes;
 
 fn do_test(data: &[u8]) {
     let mut new_data = data;
diff --git a/fuzz/fuzz_targets/bitcoin/fuzz_utils.rs b/fuzz/fuzz_targets/bitcoin/fuzz_utils.rs
new file mode 100644
index 000000000..518d6a5bd
--- /dev/null
+++ b/fuzz/fuzz_targets/bitcoin/fuzz_utils.rs
@@ -0,0 +1,11 @@
+pub fn consume_random_bytes<'a>(data: &mut &'a [u8]) -> &'a [u8] {
+    if data.is_empty() {
+        return &[];
+    }
+
+    let length = (data[0] as usize) % (data.len() + 1);
+    let (bytes, rest) = data.split_at(length);
+    *data = rest;
+
+    bytes
+}