diff --git a/mitmproxy/contrib/tls_parser.py b/mitmproxy/contrib/tls_parser.py
deleted file mode 100644
index 61fb3e3ee..000000000
--- a/mitmproxy/contrib/tls_parser.py
+++ /dev/null
@@ -1,208 +0,0 @@
-# This file originally comes from https://github.com/pyca/tls/blob/master/tls/_constructs.py.
-# Modified by the mitmproxy team.
-
-# This file is dual licensed under the terms of the Apache License, Version
-# 2.0, and the BSD License. See the LICENSE file in the root of this repository
-# for complete details.
-
-
-from construct import (
-    Array,
-    Bytes,
-    Struct,
-    VarInt,
-    Int8ub,
-    Int16ub,
-    Int24ub,
-    Int32ub,
-    PascalString,
-    Embedded,
-    Prefixed,
-    Range,
-    GreedyRange,
-    Switch,
-    Optional,
-)
-
-ProtocolVersion = "version" / Struct(
-    "major" / Int8ub,
-    "minor" / Int8ub,
-)
-
-TLSPlaintext = "TLSPlaintext" / Struct(
-    "type" / Int8ub,
-    ProtocolVersion,
-    "length" / Int16ub,  # TODO: Reject packets with length > 2 ** 14
-    "fragment" / Bytes(lambda ctx: ctx.length),
-)
-
-TLSCompressed = "TLSCompressed" / Struct(
-    "type" / Int8ub,
-    ProtocolVersion,
-    "length" / Int16ub,  # TODO: Reject packets with length > 2 ** 14 + 1024
-    "fragment" / Bytes(lambda ctx: ctx.length),
-)
-
-TLSCiphertext = "TLSCiphertext" / Struct(
-    "type" / Int8ub,
-    ProtocolVersion,
-    "length" / Int16ub,  # TODO: Reject packets with length > 2 ** 14 + 2048
-    "fragment" / Bytes(lambda ctx: ctx.length),
-)
-
-Random = "random" / Struct(
-    "gmt_unix_time" / Int32ub,
-    "random_bytes" / Bytes(28),
-)
-
-SessionID = "session_id" / Struct(
-    "length" / Int8ub,
-    "session_id" / Bytes(lambda ctx: ctx.length),
-)
-
-CipherSuites = "cipher_suites" / Struct(
-    "length" / Int16ub,  # TODO: Reject packets of length 0
-    Array(lambda ctx: ctx.length // 2, "cipher_suites" / Int16ub),
-)
-
-CompressionMethods = "compression_methods" / Struct(
-    "length" / Int8ub,  # TODO: Reject packets of length 0
-    Array(lambda ctx: ctx.length, "compression_methods" / Int8ub),
-)
-
-ServerName = Struct(
-    "type" / Int8ub,
-    "name" / PascalString("length" / Int16ub),
-)
-
-SNIExtension = Prefixed(
-    Int16ub,
-    Struct(
-        Int16ub,
-        "server_names" / GreedyRange(
-            "server_name" / Struct(
-                "name_type" / Int8ub,
-                "host_name" / PascalString("length" / Int16ub),
-            )
-        )
-    )
-)
-
-ALPNExtension = Prefixed(
-    Int16ub,
-    Struct(
-        Int16ub,
-        "alpn_protocols" / GreedyRange(
-            "name" / PascalString(Int8ub),
-        ),
-    )
-)
-
-UnknownExtension = Struct(
-    "bytes" / PascalString("length" / Int16ub)
-)
-
-Extension = "Extension" / Struct(
-    "type" / Int16ub,
-    Embedded(
-        Switch(
-            lambda ctx: ctx.type,
-            {
-                0x00: SNIExtension,
-                0x10: ALPNExtension,
-            },
-            default=UnknownExtension
-        )
-    )
-)
-
-extensions = "extensions" / Optional(
-    Struct(
-        Int16ub,
-        "extensions" / GreedyRange(Extension)
-    )
-)
-
-ClientHello = "ClientHello" / Struct(
-    ProtocolVersion,
-    Random,
-    SessionID,
-    CipherSuites,
-    CompressionMethods,
-    extensions,
-)
-
-ServerHello = "ServerHello" / Struct(
-    ProtocolVersion,
-    Random,
-    SessionID,
-    "cipher_suite" / Bytes(2),
-    "compression_method" / Int8ub,
-    extensions,
-)
-
-ClientCertificateType = "certificate_types" / Struct(
-    "length" / Int8ub,  # TODO: Reject packets of length 0
-    Array(lambda ctx: ctx.length, "certificate_types" / Int8ub),
-)
-
-SignatureAndHashAlgorithm = "algorithms" / Struct(
-    "hash" / Int8ub,
-    "signature" / Int8ub,
-)
-
-SupportedSignatureAlgorithms = "supported_signature_algorithms" / Struct(
-    "supported_signature_algorithms_length" / Int16ub,
-    # TODO: Reject packets of length 0
-    Array(
-        lambda ctx: ctx.supported_signature_algorithms_length / 2,
-        SignatureAndHashAlgorithm,
-    ),
-)
-
-DistinguishedName = "certificate_authorities" / Struct(
-    "length" / Int16ub,
-    "certificate_authorities" / Bytes(lambda ctx: ctx.length),
-)
-
-CertificateRequest = "CertificateRequest" / Struct(
-    ClientCertificateType,
-    SupportedSignatureAlgorithms,
-    DistinguishedName,
-)
-
-ServerDHParams = "ServerDHParams" / Struct(
-    "dh_p_length" / Int16ub,
-    "dh_p" / Bytes(lambda ctx: ctx.dh_p_length),
-    "dh_g_length" / Int16ub,
-    "dh_g" / Bytes(lambda ctx: ctx.dh_g_length),
-    "dh_Ys_length" / Int16ub,
-    "dh_Ys" / Bytes(lambda ctx: ctx.dh_Ys_length),
-)
-
-PreMasterSecret = "pre_master_secret" / Struct(
-    ProtocolVersion,
-    "random_bytes" / Bytes(46),
-)
-
-ASN1Cert = "ASN1Cert" / Struct(
-    "length" / Int32ub,  # TODO: Reject packets with length not in 1..2^24-1
-    "asn1_cert" / Bytes(lambda ctx: ctx.length),
-)
-
-Certificate = "Certificate" / Struct(
-    # TODO: Reject packets with length > 2 ** 24 - 1
-    "certificates_length" / Int32ub,
-    "certificates_bytes" / Bytes(lambda ctx: ctx.certificates_length),
-)
-
-Handshake = "Handshake" / Struct(
-    "msg_type" / Int8ub,
-    "length" / Int24ub,
-    "body" / Bytes(lambda ctx: ctx.length),
-)
-
-Alert = "Alert" / Struct(
-    "level" / Int8ub,
-    "description" / Int8ub,
-)
diff --git a/setup.py b/setup.py
index 38bd7ee47..59493b50d 100644
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,6 @@ setup(
         "brotlipy>=0.5.1, <0.7",
         "certifi>=2015.11.20.1",  # no semver here - this should always be on the last release!
         "click>=6.2, <7",
-        "construct>=2.8, <2.9",
         "cryptography>=1.4, <1.9",
         "cssutils>=1.0.1, <1.1",
         "h2>=3.0, <4",