diff --git a/t/lib/Cargo.lock b/t/lib/Cargo.lock
index dcb9dadac..75848256c 100644
--- a/t/lib/Cargo.lock
+++ b/t/lib/Cargo.lock
@@ -212,15 +212,6 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
-[[package]]
-name = "form_urlencoded"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
-dependencies = [
- "percent-encoding",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.11"
@@ -271,7 +262,6 @@ dependencies = [
  "http",
  "log",
  "proxy-wasm 0.2.1",
- "url",
  "urlencoding",
 ]
 
@@ -309,16 +299,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "idna"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6"
-dependencies = [
- "unicode-bidi",
- "unicode-normalization",
-]
-
 [[package]]
 name = "instance-lifecycle"
 version = "0.1.0"
@@ -429,12 +409,6 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
-[[package]]
-name = "percent-encoding"
-version = "2.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.71"
@@ -520,53 +494,12 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "tinyvec"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
-dependencies = [
- "tinyvec_macros",
-]
-
-[[package]]
-name = "tinyvec_macros"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
-
-[[package]]
-name = "unicode-bidi"
-version = "0.3.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f2528f27a9eb2b21e69c95319b30bd0efd85d09c379741b0f78ea1d86be2416"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
-[[package]]
-name = "unicode-normalization"
-version = "0.1.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
-dependencies = [
- "tinyvec",
-]
-
-[[package]]
-name = "url"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31e6302e3bb753d46e83516cae55ae196fc0c309407cf11ab35cc51a4c2a4633"
-dependencies = [
- "form_urlencoded",
- "idna",
- "percent-encoding",
-]
-
 [[package]]
 name = "urlencoding"
 version = "2.1.3"
diff --git a/t/lib/proxy-wasm-tests/hostcalls/Cargo.toml b/t/lib/proxy-wasm-tests/hostcalls/Cargo.toml
index cdb5cdad5..4fc4c8beb 100644
--- a/t/lib/proxy-wasm-tests/hostcalls/Cargo.toml
+++ b/t/lib/proxy-wasm-tests/hostcalls/Cargo.toml
@@ -9,7 +9,6 @@ crate-type = ["cdylib"]
 
 [dependencies]
 proxy-wasm = "0.2"
-url = "2.2"
 log = "0.4"
 http = "0.2"
 chrono = "0.4"
diff --git a/t/lib/proxy-wasm-tests/hostcalls/src/types/test_http.rs b/t/lib/proxy-wasm-tests/hostcalls/src/types/test_http.rs
index 7ed14fd7e..25befb83b 100644
--- a/t/lib/proxy-wasm-tests/hostcalls/src/types/test_http.rs
+++ b/t/lib/proxy-wasm-tests/hostcalls/src/types/test_http.rs
@@ -3,7 +3,6 @@ use http::StatusCode;
 use log::*;
 use proxy_wasm::{traits::*, types::*};
 use std::time::Duration;
-use url::Url;
 
 pub struct TestHttp {
     pub on_phases: Vec<TestPhase>,
@@ -22,19 +21,14 @@ impl TestHttp {
 
     fn serve_echo(&mut self, path: &str) {
         if path.starts_with("/t/echo/header/") {
-            let url = Url::options()
-                .base_url(Some(&Url::parse("http://localhost").unwrap()))
-                .parse(path)
-                .expect("bad path");
-
             /* /t/echo/header/{header_name: String} */
-            let header_name = url
-                .path()
+            let header_name = path
                 .split('/')
                 .collect::<Vec<&str>>()
-                .split_off(4)
-                .pop()
-                .unwrap();
+                .remove(4)
+                .split('?')
+                .collect::<Vec<&str>>()
+                .remove(0);
 
             echo_header(self, header_name);
         }