diff --git a/common/bolt11.c b/common/bolt11.c
index f20862366..4b66fafdb 100644
--- a/common/bolt11.c
+++ b/common/bolt11.c
@@ -721,7 +721,6 @@ struct bolt11 *bolt11_decode_nosig(const tal_t *ctx, const char *str,
 	memset(have_field, 0, sizeof(have_field));
 	b11->routes = tal_arr(b11, struct route_info *, 0);
 
-	assert(!has_lightning_prefix(str));
 	if (strlen(str) < 8)
 		return decode_fail(b11, fail, "Bad bech32 string");
 
diff --git a/tests/fuzz/corpora/fuzz-bolt11/crash-98a2112c93362e35310c629081b5d60390062962 b/tests/fuzz/corpora/fuzz-bolt11/crash-98a2112c93362e35310c629081b5d60390062962
new file mode 100644
index 000000000..0e6c3610a
--- /dev/null
+++ b/tests/fuzz/corpora/fuzz-bolt11/crash-98a2112c93362e35310c629081b5d60390062962
@@ -0,0 +1 @@
+lightning:
\ No newline at end of file
diff --git a/tests/fuzz/fuzz-bolt11.c b/tests/fuzz/fuzz-bolt11.c
index d83040357..f6c483f89 100644
--- a/tests/fuzz/fuzz-bolt11.c
+++ b/tests/fuzz/fuzz-bolt11.c
@@ -102,12 +102,6 @@ size_t LLVMFuzzerCustomMutator(uint8_t *fuzz_data, size_t size, size_t max_size,
 		return initial_input(fuzz_data, size, max_size);
 	}
 
-	// Strip (repeated) "lightning:" prefixes
-	while (strstarts(output, "lightning:") ||
-	       strstarts(output, "LIGHTNING:")) {
-		output = (char *)to_canonical_invstr(tmpctx, output);
-	}
-
 	// Write the result into `fuzz_data`.
 	size_t output_len = strlen(output);
 	if (output_len > max_size)