diff --git a/Cargo.lock b/Cargo.lock
index 799e0e0ebf5..8947a863d6d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -635,7 +635,6 @@ dependencies = [
  "fnv",
  "font-kit",
  "gfx",
- "gleam",
  "half",
  "ipc-channel",
  "log",
@@ -645,7 +644,6 @@ dependencies = [
  "pixels",
  "raqote",
  "servo_arc",
- "servo_config",
  "sparkle",
  "style",
  "style_traits",
@@ -909,7 +907,6 @@ name = "compositing"
 version = "0.0.1"
 dependencies = [
  "canvas",
- "cfg-if",
  "compositing_traits",
  "crossbeam-channel",
  "embedder_traits",
@@ -924,7 +921,6 @@ dependencies = [
  "log",
  "msg",
  "net_traits",
- "num-traits",
  "pixels",
  "profile_traits",
  "script_traits",
@@ -955,7 +951,6 @@ dependencies = [
  "log",
  "msg",
  "net_traits",
- "profile_traits",
  "script_traits",
  "servo_url",
  "style_traits",
@@ -985,7 +980,6 @@ dependencies = [
  "gaol",
  "gfx",
  "gfx_traits",
- "headers",
  "http",
  "ipc-channel",
  "keyboard-types",
@@ -1349,7 +1343,6 @@ name = "devtools_traits"
 version = "0.0.1"
 dependencies = [
  "bitflags 2.4.2",
- "headers",
  "http",
  "ipc-channel",
  "malloc_size_of",
@@ -3103,12 +3096,10 @@ dependencies = [
  "html5ever",
  "ipc-channel",
  "lazy_static",
- "libc",
  "log",
  "malloc_size_of",
  "msg",
  "net_traits",
- "num-traits",
  "parking_lot",
  "profile_traits",
  "range",
@@ -3150,7 +3141,6 @@ dependencies = [
  "html5ever",
  "ipc-channel",
  "lazy_static",
- "libc",
  "log",
  "msg",
  "net_traits",
@@ -3177,7 +3167,6 @@ name = "layout_thread_2013"
 version = "0.0.1"
 dependencies = [
  "app_units",
- "atomic_refcell",
  "crossbeam-channel",
  "embedder_traits",
  "euclid",
@@ -3186,12 +3175,10 @@ dependencies = [
  "gfx",
  "gfx_traits",
  "histogram",
- "html5ever",
  "ipc-channel",
  "layout_2013",
  "layout_traits",
  "lazy_static",
- "libc",
  "log",
  "malloc_size_of",
  "metrics",
@@ -3199,12 +3186,10 @@ dependencies = [
  "net_traits",
  "parking_lot",
  "profile_traits",
- "range",
  "rayon",
  "script",
  "script_layout_interface",
  "script_traits",
- "selectors",
  "serde_json",
  "servo_allocator",
  "servo_arc",
@@ -3222,7 +3207,6 @@ name = "layout_thread_2020"
 version = "0.0.1"
 dependencies = [
  "app_units",
- "atomic_refcell",
  "crossbeam-channel",
  "embedder_traits",
  "euclid",
@@ -3230,12 +3214,10 @@ dependencies = [
  "fxhash",
  "gfx",
  "gfx_traits",
- "html5ever",
  "ipc-channel",
  "layout_2020",
  "layout_traits",
  "lazy_static",
- "libc",
  "log",
  "malloc_size_of",
  "metrics",
@@ -3243,11 +3225,9 @@ dependencies = [
  "net_traits",
  "parking_lot",
  "profile_traits",
- "range",
  "script",
  "script_layout_interface",
  "script_traits",
- "selectors",
  "servo_allocator",
  "servo_arc",
  "servo_atoms",
@@ -3271,7 +3251,6 @@ dependencies = [
  "profile_traits",
  "script_traits",
  "servo_url",
- "webrender_api",
 ]
 
 [[package]]
@@ -3876,7 +3855,6 @@ dependencies = [
  "embedder_traits",
  "flate2",
  "futures 0.3.30",
- "futures-util",
  "generic-array",
  "headers",
  "http",
@@ -5020,7 +4998,6 @@ dependencies = [
  "canvas_traits",
  "crossbeam-channel",
  "euclid",
- "fxhash",
  "gfx_traits",
  "html5ever",
  "ipc-channel",
@@ -5030,7 +5007,6 @@ dependencies = [
  "metrics",
  "msg",
  "net_traits",
- "parking_lot",
  "profile_traits",
  "range",
  "script_traits",
@@ -5066,7 +5042,6 @@ dependencies = [
  "embedder_traits",
  "euclid",
  "gfx_traits",
- "headers",
  "http",
  "hyper_serde",
  "ipc-channel",
@@ -5603,7 +5578,6 @@ dependencies = [
  "surfman",
  "vergen",
  "webxr",
- "webxr-api",
  "winapi",
 ]
 
@@ -6881,7 +6855,6 @@ dependencies = [
  "cookie 0.12.0",
  "crossbeam-channel",
  "euclid",
- "headers",
  "http",
  "image",
  "ipc-channel",
diff --git a/components/canvas/Cargo.toml b/components/canvas/Cargo.toml
index 3838af2e1d6..8c42dc8b8c0 100644
--- a/components/canvas/Cargo.toml
+++ b/components/canvas/Cargo.toml
@@ -25,7 +25,6 @@ euclid = { workspace = true }
 font-kit = "0.11"
 fnv = { workspace = true }
 gfx = { path = "../gfx" }
-gleam = { workspace = true }
 half = "2"
 ipc-channel = { workspace = true }
 log = { workspace = true }
@@ -35,7 +34,6 @@ pathfinder_geometry = "0.5"
 pixels = { path = "../pixels" }
 raqote = "0.8.2"
 servo_arc = { path = "../servo_arc" }
-servo_config = { path = "../config" }
 sparkle = { workspace = true }
 style = { path = "../style" }
 style_traits = { workspace = true }
diff --git a/components/compositing/Cargo.toml b/components/compositing/Cargo.toml
index ec2d44baea0..861164b6cc0 100644
--- a/components/compositing/Cargo.toml
+++ b/components/compositing/Cargo.toml
@@ -17,7 +17,6 @@ multiview = []
 
 [dependencies]
 canvas = { path = "../canvas" }
-cfg-if = { workspace = true }
 compositing_traits = { workspace = true }
 crossbeam-channel = { workspace = true }
 embedder_traits = { workspace = true }
@@ -32,7 +31,6 @@ libc = { workspace = true }
 log = { workspace = true }
 msg = { workspace = true }
 net_traits = { workspace = true }
-num-traits = { workspace = true }
 pixels = { path = "../pixels" }
 profile_traits = { workspace = true }
 script_traits = { workspace = true }
diff --git a/components/constellation/Cargo.toml b/components/constellation/Cargo.toml
index f630a176862..43a4c7d982d 100644
--- a/components/constellation/Cargo.toml
+++ b/components/constellation/Cargo.toml
@@ -27,7 +27,6 @@ euclid = { workspace = true }
 gfx = { path = "../gfx" }
 gfx_traits = { workspace = true }
 http = { workspace = true }
-headers = { workspace = true }
 ipc-channel = { workspace = true }
 keyboard-types = { workspace = true }
 layout_traits = { workspace = true }
diff --git a/components/layout/Cargo.toml b/components/layout/Cargo.toml
index 7cc0871631b..2f4040c9a48 100644
--- a/components/layout/Cargo.toml
+++ b/components/layout/Cargo.toml
@@ -25,12 +25,10 @@ gfx_traits = { workspace = true }
 html5ever = { workspace = true }
 ipc-channel = { workspace = true }
 lazy_static = { workspace = true }
-libc = { workspace = true }
 log = { workspace = true }
 malloc_size_of = { path = "../malloc_size_of" }
 msg = { workspace = true }
 net_traits = { workspace = true }
-num-traits = { workspace = true }
 parking_lot = { workspace = true }
 profile_traits = { workspace = true }
 range = { path = "../range" }
diff --git a/components/layout_2020/Cargo.toml b/components/layout_2020/Cargo.toml
index d95a069d8d4..ce1aa86787b 100644
--- a/components/layout_2020/Cargo.toml
+++ b/components/layout_2020/Cargo.toml
@@ -26,7 +26,6 @@ gfx = { path = "../gfx" }
 gfx_traits = { workspace = true }
 html5ever = { workspace = true }
 ipc-channel = { workspace = true }
-libc = { workspace = true }
 log = { workspace = true }
 msg = { workspace = true }
 net_traits = { workspace = true }
diff --git a/components/layout_thread/Cargo.toml b/components/layout_thread/Cargo.toml
index 4073ea2ce41..89bcc7e0284 100644
--- a/components/layout_thread/Cargo.toml
+++ b/components/layout_thread/Cargo.toml
@@ -12,7 +12,6 @@ path = "lib.rs"
 
 [dependencies]
 app_units = { workspace = true }
-atomic_refcell = { workspace = true }
 crossbeam-channel = { workspace = true }
 embedder_traits = { workspace = true }
 euclid = { workspace = true }
@@ -21,12 +20,10 @@ fxhash = { workspace = true }
 gfx = { path = "../gfx" }
 gfx_traits = { workspace = true }
 histogram = "0.6.8"
-html5ever = { workspace = true }
 ipc-channel = { workspace = true }
 layout = { path = "../layout", package = "layout_2013" }
 layout_traits = { workspace = true }
 lazy_static = { workspace = true }
-libc = { workspace = true }
 log = { workspace = true }
 malloc_size_of = { path = "../malloc_size_of" }
 metrics = { path = "../metrics" }
@@ -34,12 +31,10 @@ msg = { workspace = true }
 net_traits = { workspace = true }
 parking_lot = { workspace = true }
 profile_traits = { workspace = true }
-range = { path = "../range" }
 rayon = { workspace = true }
 script = { path = "../script" }
 script_layout_interface = { workspace = true }
 script_traits = { workspace = true }
-selectors = { path = "../selectors", features = ["shmem"] }
 serde_json = { workspace = true }
 servo_allocator = { path = "../allocator" }
 servo_arc = { path = "../servo_arc" }
diff --git a/components/layout_thread_2020/Cargo.toml b/components/layout_thread_2020/Cargo.toml
index 29ffe6d2739..be49b38d80b 100644
--- a/components/layout_thread_2020/Cargo.toml
+++ b/components/layout_thread_2020/Cargo.toml
@@ -12,7 +12,6 @@ path = "lib.rs"
 
 [dependencies]
 app_units = { workspace = true }
-atomic_refcell = { workspace = true }
 crossbeam-channel = { workspace = true }
 embedder_traits = { workspace = true }
 euclid = { workspace = true }
@@ -20,12 +19,10 @@ fnv = { workspace = true }
 fxhash = { workspace = true }
 gfx = { path = "../gfx" }
 gfx_traits = { workspace = true }
-html5ever = { workspace = true }
 ipc-channel = { workspace = true }
 layout = { path = "../layout_2020", package = "layout_2020" }
 layout_traits = { workspace = true }
 lazy_static = { workspace = true }
-libc = { workspace = true }
 log = { workspace = true }
 malloc_size_of = { path = "../malloc_size_of" }
 metrics = { path = "../metrics" }
@@ -33,11 +30,9 @@ msg = { workspace = true }
 net_traits = { workspace = true }
 parking_lot = { workspace = true }
 profile_traits = { workspace = true }
-range = { path = "../range" }
 script = { path = "../script" }
 script_layout_interface = { workspace = true }
 script_traits = { workspace = true }
-selectors = { path = "../selectors", features = ["shmem"] }
 servo_allocator = { path = "../allocator" }
 servo_arc = { path = "../servo_arc" }
 servo_atoms = { path = "../atoms" }
diff --git a/components/net/Cargo.toml b/components/net/Cargo.toml
index 6db18281a86..0d188ba4d13 100644
--- a/components/net/Cargo.toml
+++ b/components/net/Cargo.toml
@@ -27,7 +27,6 @@ devtools_traits = { workspace = true }
 embedder_traits = { workspace = true }
 flate2 = "1"
 futures = { version = "0.3", package = "futures" }
-futures-util = { version = "0.3" }
 generic-array = "0.14"
 headers = { workspace = true }
 http = { workspace = true }
diff --git a/components/shared/compositing/Cargo.toml b/components/shared/compositing/Cargo.toml
index 03185ed8e86..809826c25d0 100644
--- a/components/shared/compositing/Cargo.toml
+++ b/components/shared/compositing/Cargo.toml
@@ -21,7 +21,6 @@ keyboard-types = { workspace = true }
 log = { workspace = true }
 msg = { workspace = true }
 net_traits = { workspace = true }
-profile_traits = { workspace = true }
 script_traits = { workspace = true }
 servo_url = { path = "../../url" }
 style_traits = { workspace = true }
diff --git a/components/shared/devtools/Cargo.toml b/components/shared/devtools/Cargo.toml
index ff6d1d40dfd..d158a3117ab 100644
--- a/components/shared/devtools/Cargo.toml
+++ b/components/shared/devtools/Cargo.toml
@@ -12,7 +12,6 @@ path = "lib.rs"
 
 [dependencies]
 bitflags = { workspace = true }
-headers = { workspace = true }
 http = { workspace = true }
 ipc-channel = { workspace = true }
 malloc_size_of = { path = "../../malloc_size_of" }
diff --git a/components/shared/layout/Cargo.toml b/components/shared/layout/Cargo.toml
index c81ed04454c..88b04842f6c 100644
--- a/components/shared/layout/Cargo.toml
+++ b/components/shared/layout/Cargo.toml
@@ -20,4 +20,3 @@ net_traits = { workspace = true }
 profile_traits = { workspace = true }
 script_traits = { workspace = true }
 servo_url = { path = "../../url" }
-webrender_api = { workspace = true }
diff --git a/components/shared/script/Cargo.toml b/components/shared/script/Cargo.toml
index c27dd185d0b..64ea7be7e66 100644
--- a/components/shared/script/Cargo.toml
+++ b/components/shared/script/Cargo.toml
@@ -20,7 +20,6 @@ devtools_traits = { workspace = true }
 embedder_traits = { workspace = true }
 euclid = { workspace = true }
 gfx_traits = { workspace = true }
-headers = { workspace = true }
 http = { workspace = true }
 hyper_serde = { workspace = true }
 ipc-channel = { workspace = true }
diff --git a/components/shared/script_layout/Cargo.toml b/components/shared/script_layout/Cargo.toml
index 553a773afac..bd86a3495e4 100644
--- a/components/shared/script_layout/Cargo.toml
+++ b/components/shared/script_layout/Cargo.toml
@@ -16,7 +16,6 @@ atomic_refcell = { workspace = true }
 canvas_traits = { workspace = true }
 crossbeam-channel = { workspace = true }
 euclid = { workspace = true }
-fxhash = { workspace = true }
 gfx_traits = { workspace = true }
 html5ever = { workspace = true }
 ipc-channel = { workspace = true }
@@ -26,7 +25,6 @@ malloc_size_of_derive = { workspace = true }
 metrics = { path = "../../metrics" }
 msg = { workspace = true }
 net_traits = { workspace = true }
-parking_lot = { workspace = true }
 profile_traits = { workspace = true }
 range = { path = "../../range" }
 script_traits = { workspace = true }
diff --git a/components/webdriver_server/Cargo.toml b/components/webdriver_server/Cargo.toml
index 91ebed0445a..d67ef421693 100644
--- a/components/webdriver_server/Cargo.toml
+++ b/components/webdriver_server/Cargo.toml
@@ -16,7 +16,6 @@ compositing_traits = { workspace = true }
 cookie = { workspace = true }
 crossbeam-channel = { workspace = true }
 euclid = { workspace = true }
-headers = { workspace = true }
 http = { workspace = true }
 image = { workspace = true }
 ipc-channel = { workspace = true }
diff --git a/ports/libsimpleservo/api/Cargo.toml b/ports/libsimpleservo/api/Cargo.toml
index 341c1733788..7a26a0aaa17 100644
--- a/ports/libsimpleservo/api/Cargo.toml
+++ b/ports/libsimpleservo/api/Cargo.toml
@@ -14,7 +14,6 @@ log = { workspace = true }
 servo-media = { git = "https://github.com/servo/media" }
 surfman = { workspace = true, features = ["sm-angle-default"] }
 webxr = { git = "https://github.com/servo/webxr" }
-webxr-api = { git = "https://github.com/servo/webxr", features = ["ipc"] }
 
 [target.'cfg(not(target_os = "macos"))'.dependencies]
 libc = { workspace = true }