diff --git a/src/ssb.js.c b/src/ssb.js.c
index 1b1e7f50..5fe60b84 100644
--- a/src/ssb.js.c
+++ b/src/ssb.js.c
@@ -1281,78 +1281,6 @@ static JSValue _tf_ssb_remove_event_listener(JSContext* context, JSValueConst th
 	return result;
 }
 
-static JSValue _tf_ssb_hmacsha256_sign(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	JSValue result = JS_UNDEFINED;
-	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
-
-	size_t payload_length = 0;
-	const char* payload = JS_ToCStringLen(context, &payload_length, argv[0]);
-	const char* user = JS_ToCString(context, argv[1]);
-	const char* public_key = JS_ToCString(context, argv[2]);
-
-	uint8_t private_key[crypto_sign_SECRETKEYBYTES];
-	if (tf_ssb_db_identity_get_private_key(ssb, user, public_key, private_key, sizeof(private_key)))
-	{
-		uint8_t signature[crypto_sign_BYTES];
-		unsigned long long siglen;
-		if (crypto_sign_detached(signature, &siglen, (const uint8_t*)payload, payload_length, private_key) == 0)
-		{
-			char signature_base64[crypto_sign_BYTES * 2];
-			tf_base64_encode(signature, sizeof(signature), signature_base64, sizeof(signature_base64));
-			result = JS_NewString(context, signature_base64);
-		}
-	}
-	else
-	{
-		result = JS_ThrowInternalError(context, "Private key not found.");
-	}
-
-	JS_FreeCString(context, public_key);
-	JS_FreeCString(context, user);
-	JS_FreeCString(context, payload);
-
-	return result;
-}
-
-static JSValue _tf_ssb_hmacsha256_verify(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	JSValue result = JS_UNDEFINED;
-
-	size_t public_key_length = 0;
-	const char* public_key = JS_ToCStringLen(context, &public_key_length, argv[0]);
-	size_t payload_length = 0;
-	const char* payload = JS_ToCStringLen(context, &payload_length, argv[1]);
-	size_t signature_length = 0;
-	const char* signature = JS_ToCStringLen(context, &signature_length, argv[2]);
-
-	const char* public_key_start = public_key && *public_key == '@' ? public_key + 1 : public_key;
-	const char* public_key_end = public_key_start ? strstr(public_key_start, ".ed25519") : NULL;
-	if (public_key_start && !public_key_end)
-	{
-		public_key_end = public_key_start + strlen(public_key_start);
-	}
-
-	uint8_t bin_public_key[crypto_sign_PUBLICKEYBYTES] = { 0 };
-	if (tf_base64_decode(public_key_start, public_key_end - public_key_start, bin_public_key, sizeof(bin_public_key)) > 0)
-	{
-		uint8_t bin_signature[crypto_sign_BYTES] = { 0 };
-		if (tf_base64_decode(signature, signature_length, bin_signature, sizeof(bin_signature)) > 0)
-		{
-			if (crypto_sign_verify_detached(bin_signature, (const uint8_t*)payload, payload_length, bin_public_key) == 0)
-			{
-				result = JS_TRUE;
-			}
-		}
-	}
-
-	JS_FreeCString(context, signature);
-	JS_FreeCString(context, payload);
-	JS_FreeCString(context, public_key);
-
-	return result;
-}
-
 static JSValue _tf_ssb_createTunnel(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
 {
 	JSValue result = JS_UNDEFINED;
@@ -1750,8 +1678,6 @@ void tf_ssb_register(JSContext* context, tf_ssb_t* ssb)
 	JS_SetPropertyStr(context, object, "setServerFollowingMe", JS_NewCFunction(context, _tf_ssb_set_server_following_me, "setServerFollowingMe", 3));
 	JS_SetPropertyStr(context, object, "getIdentities", JS_NewCFunction(context, _tf_ssb_getIdentities, "getIdentities", 1));
 	JS_SetPropertyStr(context, object, "getPrivateKey", JS_NewCFunction(context, _tf_ssb_getPrivateKey, "getPrivateKey", 2));
-	JS_SetPropertyStr(context, object, "hmacsha256sign", JS_NewCFunction(context, _tf_ssb_hmacsha256_sign, "hmacsha256sign", 3));
-	JS_SetPropertyStr(context, object, "hmacsha256verify", JS_NewCFunction(context, _tf_ssb_hmacsha256_verify, "hmacsha256verify", 3));
 	JS_SetPropertyStr(context, object, "privateMessageEncrypt", JS_NewCFunction(context, _tf_ssb_private_message_encrypt, "privateMessageEncrypt", 4));
 	JS_SetPropertyStr(context, object, "privateMessageDecrypt", JS_NewCFunction(context, _tf_ssb_private_message_decrypt, "privateMessageDecrypt", 3));
 	/* Write. */
diff --git a/src/tests.c b/src/tests.c
index 8081a81a..68dd4463 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -630,37 +630,6 @@ static void _test_file(const tf_test_options_t* options)
 	unlink("out/test.js");
 }
 
-static void _test_sign(const tf_test_options_t* options)
-{
-	_write_file("out/test.js",
-		"'use strict';\n"
-		"let id = ssb.createIdentity('test');\n"
-		"print(id);\n"
-		"let sig = ssb.hmacsha256sign('hello', 'test', id);\n"
-		"print(sig);\n"
-		"if (!ssb.hmacsha256verify(id, 'hello', sig)) {\n"
-		"	exit(1);\n"
-		"}\n"
-		"if (ssb.hmacsha256verify(id, 'world', sig)) {\n"
-		"	exit(1);\n"
-		"}\n"
-		"if (ssb.hmacsha256verify(id, 'hello1', sig)) {\n"
-		"	exit(1);\n"
-		"}\n");
-
-	unlink("out/test_db0.sqlite");
-	char command[256];
-	snprintf(command, sizeof(command), "%s run --db-path=out/test_db0.sqlite -s out/test.js" TEST_ARGS, options->exe_path);
-	tf_printf("%s\n", command);
-	int result = system(command);
-	tf_printf("returned %d\n", WEXITSTATUS(result));
-	assert(WIFEXITED(result));
-	assert(WEXITSTATUS(result) == 0);
-	unlink("out/test_db0.sqlite");
-
-	unlink("out/test.js");
-}
-
 static void _test_b64(const tf_test_options_t* options)
 {
 	_write_file("out/test.js",
@@ -925,7 +894,6 @@ void tf_tests(const tf_test_options_t* options)
 	_tf_test_run(options, "float", _test_float, false);
 	_tf_test_run(options, "socket", _test_socket, false);
 	_tf_test_run(options, "file", _test_file, false);
-	_tf_test_run(options, "sign", _test_sign, false);
 	_tf_test_run(options, "b64", _test_b64, false);
 	_tf_test_run(options, "rooms", tf_ssb_test_rooms, false);
 	_tf_test_run(options, "bench", tf_ssb_test_bench, false);
diff --git a/src/util.js.c b/src/util.js.c
index 83d93906..ca1a8370 100644
--- a/src/util.js.c
+++ b/src/util.js.c
@@ -244,67 +244,6 @@ bool tf_util_report_error(JSContext* context, JSValue value)
 	return is_error;
 }
 
-static JSValue _util_parseHttpRequest(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	JSValue result = JS_UNDEFINED;
-	const char* method = NULL;
-	size_t method_length = 0;
-	const char* path = NULL;
-	size_t path_length = 0;
-	int minor_version = 0;
-	struct phr_header headers[100];
-	size_t header_count = sizeof(headers) / sizeof(*headers);
-	int previous_length = 0;
-	JS_ToInt32(context, &previous_length, argv[1]);
-
-	JSValue buffer = JS_UNDEFINED;
-	size_t length;
-	uint8_t* array = tf_util_try_get_array_buffer(context, &length, argv[0]);
-	if (!array)
-	{
-		size_t offset;
-		size_t element_size;
-		buffer = tf_util_try_get_typed_array_buffer(context, argv[0], &offset, &length, &element_size);
-		if (!JS_IsException(buffer))
-		{
-			array = tf_util_try_get_array_buffer(context, &length, buffer);
-		}
-	}
-
-	if (array)
-	{
-		int parse_result = phr_parse_request((const char*)array, length, &method, &method_length, &path, &path_length, &minor_version, headers, &header_count, previous_length);
-		if (parse_result > 0)
-		{
-			result = JS_NewObject(context);
-			JS_SetPropertyStr(context, result, "bytes_parsed", JS_NewInt32(context, parse_result));
-			JS_SetPropertyStr(context, result, "minor_version", JS_NewInt32(context, minor_version));
-			JS_SetPropertyStr(context, result, "method", JS_NewStringLen(context, method, method_length));
-			JS_SetPropertyStr(context, result, "path", JS_NewStringLen(context, path, path_length));
-			JSValue header_object = JS_NewObject(context);
-			for (int i = 0; i < (int)header_count; i++)
-			{
-				char name[256];
-				snprintf(name, sizeof(name), "%.*s", (int)headers[i].name_len, headers[i].name);
-				JS_SetPropertyStr(context, header_object, name, JS_NewStringLen(context, headers[i].value, headers[i].value_len));
-			}
-			JS_SetPropertyStr(context, result, "headers", header_object);
-		}
-		else
-		{
-			result = JS_NewInt32(context, parse_result);
-		}
-	}
-	else
-	{
-		result = JS_ThrowTypeError(context, "Could not convert argument to array.");
-	}
-
-	JS_FreeValue(context, buffer);
-
-	return result;
-}
-
 static JSValue _util_parseHttpResponse(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
 {
 	JSValue result = JS_UNDEFINED;
@@ -365,16 +304,6 @@ static JSValue _util_parseHttpResponse(JSContext* context, JSValueConst this_val
 	return result;
 }
 
-static JSValue _util_sha1_digest(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	size_t length = 0;
-	const char* value = JS_ToCStringLen(context, &length, argv[0]);
-	unsigned char digest[SHA_DIGEST_LENGTH] = { 0 };
-	SHA1((const unsigned char*)value, length, digest);
-	JS_FreeCString(context, value);
-	return JS_NewArrayBufferCopy(context, digest, sizeof(digest));
-}
-
 JSValue tf_util_new_uint8_array(JSContext* context, const uint8_t* data, size_t size)
 {
 	JSValue array_buffer = JS_NewArrayBufferCopy(context, data, size);
@@ -387,45 +316,6 @@ JSValue tf_util_new_uint8_array(JSContext* context, const uint8_t* data, size_t
 	return result;
 }
 
-static JSValue _util_mask_bytes(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	JSValue result = JS_UNDEFINED;
-	uint32_t mask = 0;
-	JS_ToUint32(context, &mask, argv[1]);
-	uint64_t double_mask = ((uint64_t)mask << 32) | mask;
-
-	size_t offset = 0;
-	size_t length = 0;
-	size_t element_size = 0;
-	JSValue buffer = tf_util_try_get_typed_array_buffer(context, argv[0], &offset, &length, &element_size);
-	if (!JS_IsException(buffer))
-	{
-		size_t size = 0;
-		const uint8_t* array = tf_util_try_get_array_buffer(context, &size, buffer);
-		if (array)
-		{
-			uint8_t* copy = tf_malloc(size);
-			size_t i = 0;
-			for (; i + sizeof(double_mask) < size; i += sizeof(double_mask))
-			{
-				((uint64_t*)copy)[i / sizeof(double_mask)] = ((const uint64_t*)array)[i / sizeof(double_mask)] ^ double_mask;
-			}
-			for (; i + sizeof(mask) < size; i += sizeof(mask))
-			{
-				((uint32_t*)copy)[i / sizeof(mask)] = ((const uint32_t*)array)[i / sizeof(mask)] ^ mask;
-			}
-			for (; i < size; i++)
-			{
-				copy[i] = array[i] ^ ((mask >> (8 * (i % 4))) & 0xff);
-			}
-			result = tf_util_new_uint8_array(context, copy, size);
-			tf_free(copy);
-		}
-	}
-	JS_FreeValue(context, buffer);
-	return result;
-}
-
 void tf_util_register(JSContext* context)
 {
 	JSValue global = JS_GetGlobalObject(context);
@@ -436,10 +326,7 @@ void tf_util_register(JSContext* context)
 	JS_SetPropertyStr(context, global, "bip39Words", JS_NewCFunction(context, _util_bip39_words, "bip39Words", 1));
 	JS_SetPropertyStr(context, global, "bip39Bytes", JS_NewCFunction(context, _util_bip39_bytes, "bip39Bytes", 1));
 	JS_SetPropertyStr(context, global, "print", JS_NewCFunction(context, _util_print, "print", 1));
-	JS_SetPropertyStr(context, global, "parseHttpRequest", JS_NewCFunction(context, _util_parseHttpRequest, "parseHttpRequest", 2));
 	JS_SetPropertyStr(context, global, "parseHttpResponse", JS_NewCFunction(context, _util_parseHttpResponse, "parseHttpResponse", 2));
-	JS_SetPropertyStr(context, global, "sha1Digest", JS_NewCFunction(context, _util_sha1_digest, "sha1Digest", 1));
-	JS_SetPropertyStr(context, global, "maskBytes", JS_NewCFunction(context, _util_mask_bytes, "maskBytes", 2));
 	JS_FreeValue(context, global);
 }