diff --git a/Cargo.lock b/Cargo.lock
index 404616f..532b849 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -55,105 +55,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
-[[package]]
-name = "async-channel"
-version = "1.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2114d64672151c0c5eaa5e131ec84a74f06e1e559830dabba01ca30605d66319"
-dependencies = [
- "concurrent-queue",
- "event-listener",
- "futures-core",
-]
-
-[[package]]
-name = "async-executor"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb877970c7b440ead138f6321a3b5395d6061183af779340b65e20c0fede9146"
-dependencies = [
- "async-task",
- "concurrent-queue",
- "fastrand",
- "futures-lite",
- "once_cell",
- "vec-arena",
-]
-
-[[package]]
-name = "async-fs"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b3ca4f8ff117c37c278a2f7415ce9be55560b846b5bc4412aaa5d29c1c3dae2"
-dependencies = [
- "async-lock",
- "blocking",
- "futures-lite",
-]
-
-[[package]]
-name = "async-io"
-version = "1.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9315f8f07556761c3e48fec2e6b276004acf426e6dc068b2c2251854d65ee0fd"
-dependencies = [
- "concurrent-queue",
- "fastrand",
- "futures-lite",
- "libc",
- "log",
- "nb-connect",
- "once_cell",
- "parking",
- "polling",
- "vec-arena",
- "waker-fn",
- "winapi",
-]
-
-[[package]]
-name = "async-lock"
-version = "2.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1996609732bde4a9988bc42125f55f2af5f3c36370e27c778d5191a4a1b63bfb"
-dependencies = [
- "event-listener",
-]
-
-[[package]]
-name = "async-net"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06de475c85affe184648202401d7622afb32f0f74e02192857d0201a16defbe5"
-dependencies = [
- "async-io",
- "blocking",
- "fastrand",
- "futures-lite",
-]
-
-[[package]]
-name = "async-process"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef37b86e2fa961bae5a4d212708ea0154f904ce31d1a4a7f47e1bbc33a0c040b"
-dependencies = [
- "async-io",
- "blocking",
- "cfg-if 1.0.0",
- "event-listener",
- "futures-lite",
- "once_cell",
- "signal-hook",
- "winapi",
-]
-
-[[package]]
-name = "async-task"
-version = "4.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e91831deabf0d6d7ec49552e489aed63b7456a7a3c46cff62adad428110b0af0"
-
 [[package]]
 name = "async-trait"
 version = "0.1.48"
@@ -165,12 +66,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "atomic-waker"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "065374052e7df7ee4047b1160cca5e1467a12351a40b3da123c870ba0b8eda2a"
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -236,20 +131,6 @@ dependencies = [
  "byte-tools",
 ]
 
-[[package]]
-name = "blocking"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5e170dbede1f740736619b776d7251cb1b9095c435c34d8ca9f57fcd2f335e9"
-dependencies = [
- "async-channel",
- "async-task",
- "atomic-waker",
- "fastrand",
- "futures-lite",
- "once_cell",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.6.1"
@@ -274,12 +155,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
 
-[[package]]
-name = "cache-padded"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "631ae5198c9be5e753e5cc215e1bd73c2b466a3565173db433f52bb9d3e66dba"
-
 [[package]]
 name = "cc"
 version = "1.0.67"
@@ -327,15 +202,6 @@ dependencies = [
  "vec_map",
 ]
 
-[[package]]
-name = "concurrent-queue"
-version = "1.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30ed07550be01594c6026cff2a1d7fe9c8f683caa798e12b68694ac9e88286a3"
-dependencies = [
- "cache-padded",
-]
-
 [[package]]
 name = "constant_time_eq"
 version = "0.1.5"
@@ -374,30 +240,10 @@ version = "3.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c15b8ec3b5755a188c141c1f6a98e76de31b936209bf066b647979e2a84764a9"
 dependencies = [
- "nix 0.20.0",
+ "nix",
  "winapi",
 ]
 
-[[package]]
-name = "darwin-libproc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc629b7cf42586fee31dae31f9ab73fa5ff5f0170016aa61be5fcbc12a90c516"
-dependencies = [
- "darwin-libproc-sys",
- "libc",
- "memchr",
-]
-
-[[package]]
-name = "darwin-libproc-sys"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef0aa083b94c54aa4cfd9bbfd37856714c139d1dc511af80270558c7ba3b4816"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "dashmap"
 version = "4.0.2"
@@ -470,27 +316,12 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
-[[package]]
-name = "event-listener"
-version = "2.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7531096570974c3a9dcf9e4b8e1cede1ec26cf5046219fb3b9d897503b9be59"
-
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
-[[package]]
-name = "fastrand"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca5faf057445ce5c9d4329e382b2ce7ca38550ef3b73a5348362d5f24e0c7fe3"
-dependencies = [
- "instant",
-]
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -570,21 +401,6 @@ version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d71c2c65c57704c32f5241c1223167c2c3294fd34ac020c807ddbe6db287ba59"
 
-[[package]]
-name = "futures-lite"
-version = "1.11.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4481d0cd0de1d204a4fa55e7d45f07b1d958abcb06714b3446438e2eff695fb"
-dependencies = [
- "fastrand",
- "futures-core",
- "futures-io",
- "memchr",
- "parking",
- "pin-project-lite",
- "waker-fn",
-]
-
 [[package]]
 name = "futures-macro"
 version = "0.3.13"
@@ -609,12 +425,6 @@ version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa189ef211c15ee602667a6fcfe1c1fd9e07d42250d2156382820fba33c9df80"
 
-[[package]]
-name = "futures-timer"
-version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
-
 [[package]]
 name = "futures-util"
 version = "0.3.13"
@@ -674,12 +484,6 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "glob"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
-
 [[package]]
 name = "h2"
 version = "0.3.2"
@@ -728,125 +532,6 @@ dependencies = [
  "unicode-segmentation",
 ]
 
-[[package]]
-name = "heim"
-version = "0.1.0-rc.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8a653442b9bdd11a77d3753a60443c60c4437d3acac8e6c3d4a6a9acd7cceed"
-dependencies = [
- "heim-common",
- "heim-process",
- "heim-runtime",
-]
-
-[[package]]
-name = "heim-common"
-version = "0.1.0-rc.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d767e6e47cf88abe7c9a5ebb4df82f180d30d9c0ba0269b6d166482461765834"
-dependencies = [
- "cfg-if 1.0.0",
- "core-foundation",
- "futures-core",
- "futures-util",
- "lazy_static",
- "libc",
- "mach",
- "nix 0.19.1",
- "pin-utils",
- "uom",
- "winapi",
-]
-
-[[package]]
-name = "heim-cpu"
-version = "0.1.0-rc.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ba5fb13a3b90581d22b4edf99e87c54316444622ae123d36816a227a7caa6df"
-dependencies = [
- "cfg-if 1.0.0",
- "futures",
- "glob",
- "heim-common",
- "heim-runtime",
- "lazy_static",
- "libc",
- "mach",
- "ntapi",
- "smol",
- "winapi",
-]
-
-[[package]]
-name = "heim-host"
-version = "0.1.0-rc.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9abf6cd02bc4f6e6aa31a7f80702a2d0e574f4f2c6156a93c3550eb036304722"
-dependencies = [
- "cfg-if 1.0.0",
- "heim-common",
- "heim-runtime",
- "lazy_static",
- "libc",
- "log",
- "mach",
- "ntapi",
- "platforms",
- "winapi",
-]
-
-[[package]]
-name = "heim-net"
-version = "0.1.0-rc.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d13afa5e9b71c813c1e087bb27f51ae87d3a6d68a2bdd045bae4322dfae4948b"
-dependencies = [
- "bitflags",
- "cfg-if 1.0.0",
- "heim-common",
- "heim-runtime",
- "libc",
- "macaddr",
- "nix 0.19.1",
-]
-
-[[package]]
-name = "heim-process"
-version = "0.1.1-rc.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "386870aac75d29b817fe709f1ef4303553e0af369e3c71d04beceeb50ae2cf39"
-dependencies = [
- "async-trait",
- "cfg-if 1.0.0",
- "darwin-libproc",
- "futures",
- "heim-common",
- "heim-cpu",
- "heim-host",
- "heim-net",
- "heim-runtime",
- "lazy_static",
- "libc",
- "mach",
- "memchr",
- "ntapi",
- "ordered-float",
- "smol",
- "winapi",
-]
-
-[[package]]
-name = "heim-runtime"
-version = "0.1.0-rc.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54ec7e5238c8f0dd0cc60914d31a5a7aadd4cde74c966a76c1caed1f5224e9b8"
-dependencies = [
- "futures",
- "futures-timer",
- "once_cell",
- "smol",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.1.18"
@@ -1032,21 +717,6 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
-[[package]]
-name = "macaddr"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baee0bbc17ce759db233beb01648088061bf678383130602a298e6998eedb2d8"
-
-[[package]]
-name = "mach"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b823e83b2affd8f40a9ee8c29dbc56404c1e34cd2710921f2801e2cf29527afa"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "maplit"
 version = "1.0.2"
@@ -1128,28 +798,6 @@ dependencies = [
  "tempfile",
 ]
 
-[[package]]
-name = "nb-connect"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a19900e7eee95eb2b3c2e26d12a874cc80aaf750e31be6fcbe743ead369fa45d"
-dependencies = [
- "libc",
- "socket2",
-]
-
-[[package]]
-name = "nix"
-version = "0.19.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
-dependencies = [
- "bitflags",
- "cc",
- "cfg-if 1.0.0",
- "libc",
-]
-
 [[package]]
 name = "nix"
 version = "0.20.0"
@@ -1181,17 +829,6 @@ dependencies = [
  "num-traits",
 ]
 
-[[package]]
-name = "num-rational"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
-dependencies = [
- "autocfg",
- "num-integer",
- "num-traits",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.14"
@@ -1256,21 +893,6 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "ordered-float"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dacdec97876ef3ede8c50efc429220641a0b11ba0048b4b0c357bccbc47c5204"
-dependencies = [
- "num-traits",
-]
-
-[[package]]
-name = "parking"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "427c3892f9e783d91cc128285287e70a59e206ca452770ece88a76f7a3eddd72"
-
 [[package]]
 name = "parking_lot"
 version = "0.11.1"
@@ -1383,25 +1005,6 @@ version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
 
-[[package]]
-name = "platforms"
-version = "1.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc77a3fc329982cbf3ea772aa265b742a550998bad65747c630406ee52dac425"
-
-[[package]]
-name = "polling"
-version = "2.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc12d774e799ee9ebae13f4076ca003b40d18a11ac0f3641e6f899618580b7b"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "log",
- "wepoll-sys",
- "winapi",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -1601,7 +1204,6 @@ dependencies = [
  "chrono",
  "futures",
  "handlebars",
- "heim",
  "http",
  "lazy_static",
  "maplit",
@@ -1623,7 +1225,6 @@ dependencies = [
  "tracing",
  "tracing-futures",
  "tracing-subscriber",
- "uom",
 ]
 
 [[package]]
@@ -1979,16 +1580,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "signal-hook"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6aa894ef3fade0ee7243422f4fbbd6c2b48e6de767e621d37ef65f2310f53cea"
-dependencies = [
- "libc",
- "signal-hook-registry",
-]
-
 [[package]]
 name = "signal-hook-registry"
 version = "1.3.0"
@@ -2010,24 +1601,6 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
-[[package]]
-name = "smol"
-version = "1.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85cf3b5351f3e783c1d79ab5fc604eeed8b8ae9abd36b166e8b87a089efd85e4"
-dependencies = [
- "async-channel",
- "async-executor",
- "async-fs",
- "async-io",
- "async-lock",
- "async-net",
- "async-process",
- "blocking",
- "futures-lite",
- "once_cell",
-]
-
 [[package]]
 name = "socket2"
 version = "0.4.0"
@@ -2421,7 +1994,6 @@ version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e76503e636584f1e10b9b3b9498538279561adcef5412927ba00c2b32c4ce5ed"
 dependencies = [
- "num-rational",
  "num-traits",
  "typenum",
 ]
@@ -2444,12 +2016,6 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b00bca6106a5e23f3eee943593759b7fcddb00554332e856d990c893966879fb"
 
-[[package]]
-name = "vec-arena"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34b2f665b594b07095e3ac3f718e13c2197143416fae4c5706cffb7b1af8d7f1"
-
 [[package]]
 name = "vec_map"
 version = "0.8.2"
@@ -2462,12 +2028,6 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
-[[package]]
-name = "waker-fn"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
-
 [[package]]
 name = "want"
 version = "0.3.0"
@@ -2581,15 +2141,6 @@ dependencies = [
  "webpki",
 ]
 
-[[package]]
-name = "wepoll-sys"
-version = "3.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fcb14dea929042224824779fbc82d9fab8d2e6d3cbc0ac404de8edf489e77ff"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/crates/ptth_core/src/prelude.rs b/crates/ptth_core/src/prelude.rs
index b66b273..44db49e 100644
--- a/crates/ptth_core/src/prelude.rs
+++ b/crates/ptth_core/src/prelude.rs
@@ -1,3 +1,8 @@
+pub use std::{
+	sync::Arc,
+	time::{Duration, Instant},
+};
+
 pub use tracing::{
 	debug, error, info, trace, warn,
 	instrument,
diff --git a/crates/ptth_server/Cargo.toml b/crates/ptth_server/Cargo.toml
index cb13d56..57b12d3 100644
--- a/crates/ptth_server/Cargo.toml
+++ b/crates/ptth_server/Cargo.toml
@@ -22,7 +22,6 @@ blake3 = "0.3.7"
 chrono = {version = "0.4.19", features = ["serde"]}
 futures = "0.3.7"
 handlebars = "3.5.1"
-heim = { version = "0.1.0-rc.1", features = ["process"] }
 http = "0.2.1"
 lazy_static = "1.4.0"
 percent-encoding = "2.1.0"
@@ -41,7 +40,6 @@ tracing = "0.1.25"
 tracing-futures = "0.2.5"
 tracing-subscriber = "0.2.16"
 toml = "0.5.7"
-uom = "0.30.0"
 
 always_equal = { path = "../always_equal", version = "1.0.0" }
 ptth_core = { path = "../ptth_core", version = "2.0.0" }
diff --git a/crates/ptth_server/src/file_server/errors.rs b/crates/ptth_server/src/file_server/errors.rs
index cbae2d8..3033d96 100644
--- a/crates/ptth_server/src/file_server/errors.rs
+++ b/crates/ptth_server/src/file_server/errors.rs
@@ -23,15 +23,6 @@ pub enum FileServerError {
 	#[error ("Invalid URI")]
 	InvalidUri (#[from] http::uri::InvalidUri),
 	
-	#[error ("Heim process error")]
-	HeimProcess,
-	
 	#[error(transparent)]
 	Other (#[from] anyhow::Error),
 }
-
-impl From <heim::process::ProcessError> for FileServerError {
-	fn from (_: heim::process::ProcessError) -> Self {
-		FileServerError::HeimProcess
-	}
-}
diff --git a/crates/ptth_server/src/file_server/metrics.rs b/crates/ptth_server/src/file_server/metrics.rs
index 9006831..062ad1e 100644
--- a/crates/ptth_server/src/file_server/metrics.rs
+++ b/crates/ptth_server/src/file_server/metrics.rs
@@ -1,14 +1,7 @@
-use std::{
-	sync::Arc,
-	time::{Duration, Instant},
-};
-
 use arc_swap::ArcSwap;
 use chrono::{DateTime, Utc};
+use ptth_core::prelude::*;
 use rusty_ulid::Ulid;
-use tracing::{
-	debug, error, trace,
-};
 
 // Metrics are named for when they're updated:
 // - Startup (Once, when the server state is initialized)
@@ -41,10 +34,6 @@ pub struct Interval {
 	#[serde (skip)]
 	pub at: Instant,
 	pub utc: DateTime <Utc>,
-	pub rss_mib: u64,
-	
-	#[serde (skip)]
-	pub cpu_usage: heim::process::CpuUsage,
 }
 
 pub struct Events {
@@ -78,29 +67,9 @@ fn serialize_ulid <S: serde::Serializer> (t: &Ulid, s: S)
 
 impl Interval {
 	pub async fn new () -> Result <Self, super::FileServerError> {
-		use tokio::join;
-		use heim::process;
-		use uom::si::{
-			information::mebibyte,
-		};
-		
-		let our_process = process::current ().await?;
-		
-		let cpu_usage = our_process.cpu_usage ();
-		
-		let (cpu_usage, mem) = join! {
-			cpu_usage,
-			our_process.memory ()
-		};
-		let cpu_usage = cpu_usage?;
-		let mem = mem?;
-		let rss_mib = mem.rss ().get::<mebibyte> ();
-		
 		let x = Self {
 			at: Instant::now (),
 			utc: Utc::now (),
-			rss_mib,
-			cpu_usage,
 		};
 		
 		Ok (x)
@@ -108,8 +77,6 @@ impl Interval {
 	
 	pub async fn monitor (interval_writer: Arc <ArcSwap <Option <Interval>>>)
 	{
-		use uom::si::ratio::percent;
-		
 		#[derive (Default)]
 		struct Window {
 			window_length: u64,
@@ -132,15 +99,6 @@ impl Interval {
 				new_metrics: &Arc <Option <Interval>>
 			) {
 				if counter >= self.next_interval {
-					if let (Some (old), Some (new)) = (&*self.last_metrics, &**new_metrics) {
-						let diff = new.cpu_usage.clone () - old.cpu_usage.clone ();
-						trace! (
-							"CPU usage over {} s: {}%", 
-							(new.at - old.at).as_secs (),
-							diff.get::<percent> (),
-						);
-					}
-					
 					self.next_interval += self.window_length;
 					self.last_metrics = new_metrics.clone ();
 				}
@@ -167,8 +125,6 @@ impl Interval {
 				Ok (x) => x,
 			};
 			
-			trace! ("RSS: {} MiB", new_interval_metrics.rss_mib);
-			
 			let new_interval_metrics = Arc::new (Some (new_interval_metrics));
 			
 			for window in &mut windows {
diff --git a/crates/ptth_server/src/lib.rs b/crates/ptth_server/src/lib.rs
index 5c78b0f..e999aac 100644
--- a/crates/ptth_server/src/lib.rs
+++ b/crates/ptth_server/src/lib.rs
@@ -349,8 +349,6 @@ impl State {
 	{
 		use std::convert::TryInto;
 		
-		use arc_swap::ArcSwap;
-		
 		let asset_root = asset_root.unwrap_or_else (PathBuf::new);
 		
 		info! ("Server name is {}", config_file.name);