diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9218480..0691f3d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@ include("host_api")
 include("build-crates")
 
 add_library(extension_api INTERFACE include/extension-api.h runtime/encode.h)
-target_link_libraries(extension_api INTERFACE rust-url rust-encoding spidermonkey)
+target_link_libraries(extension_api INTERFACE rust-url spidermonkey)
 target_include_directories(extension_api INTERFACE include deps/include runtime)
 
 include("builtins")
diff --git a/cmake/build-crates.cmake b/cmake/build-crates.cmake
index 39a8645..6c8cc5d 100644
--- a/cmake/build-crates.cmake
+++ b/cmake/build-crates.cmake
@@ -1,5 +1,2 @@
 corrosion_import_crate(MANIFEST_PATH ${CMAKE_CURRENT_SOURCE_DIR}/crates/rust-url/Cargo.toml NO_LINKER_OVERRIDE)
 set_property(TARGET rust-url PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/crates/rust-url/)
-
-corrosion_import_crate(MANIFEST_PATH ${CMAKE_CURRENT_SOURCE_DIR}/crates/rust-encoding/Cargo.toml NO_LINKER_OVERRIDE)
-set_property(TARGET rust-encoding PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/crates/rust-encoding/)
diff --git a/crates/rust-encoding/.gitignore b/crates/rust-encoding/.gitignore
deleted file mode 100644
index eb5a316..0000000
--- a/crates/rust-encoding/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-target
diff --git a/crates/rust-encoding/Cargo.lock b/crates/rust-encoding/Cargo.lock
deleted file mode 100644
index 8e0ce86..0000000
--- a/crates/rust-encoding/Cargo.lock
+++ /dev/null
@@ -1,34 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "encoding_c"
-version = "0.9.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9af727805f3b0d79956bde5b35732669fb5c5d45a94893798e7b7e70cfbf9cc1"
-dependencies = [
- "encoding_rs",
-]
-
-[[package]]
-name = "encoding_rs"
-version = "0.8.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "071a31f4ee85403370b58aca746f01041ede6f0da2730960ad001edc2b71b394"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "rust-encoding"
-version = "0.1.0"
-dependencies = [
- "encoding_c",
-]
diff --git a/crates/rust-encoding/Cargo.toml b/crates/rust-encoding/Cargo.toml
deleted file mode 100644
index 9419498..0000000
--- a/crates/rust-encoding/Cargo.toml
+++ /dev/null
@@ -1,17 +0,0 @@
-[package]
-name = "rust-encoding"
-version = "0.1.0"
-edition = "2018"
-
-[lib]
-crate-type = ["staticlib"]
-
-[dependencies]
-encoding_c = { version = "0.9.8", features = [] }
-
-[profile.release]
-lto = true
-panic = 'abort'
-
-[profile.dev]
-panic = 'abort'
diff --git a/crates/rust-encoding/cbindgen.toml b/crates/rust-encoding/cbindgen.toml
deleted file mode 100644
index db25391..0000000
--- a/crates/rust-encoding/cbindgen.toml
+++ /dev/null
@@ -1,54 +0,0 @@
-language = "C++"
-
-header = """
-// The constructor created by cbindgen's `derive_constructor` causes this warning.
-// Gecko's various uses of cbindgen silence it, so we do, too.
-#ifdef __clang__
-#  pragma GCC diagnostic ignored "-Wreturn-type-c-linkage"
-#endif
-"""
-
-pragma_once = true
-include_guard = "rust_encoding_bindings_h"
-
-autogen_warning = "/* Warning, this file is autogenerated by cbindgen. Don't modify this manually. */"
-
-include_version = false
-namespace = "jsencoding"
-using_namespaces = []
-sys_includes = []
-includes = []
-no_includes = false
-after_includes = ""
-
-braces = "SameLine"
-line_length = 100
-tab_width = 2
-documentation = true
-documentation_style = "auto"
-line_endings = "LF"
-
-usize_is_size_t = true
-
-[struct]
-derive_constructor = true
-
-
-[parse]
-parse_deps = true
-# include = []
-exclude = []
-clean = false
-extra_bindings = ["encoding_c"]
-
-
-[export]
-# A list of additional items to always include in the generated bindings if they're
-# found but otherwise don't appear to be used by the public API.
-#
-# default: []
-include = [
-    "Decoder",
-    "Encoder",
-    "BIG5_ENCODING",
-]
\ No newline at end of file
diff --git a/crates/rust-encoding/src/lib.rs b/crates/rust-encoding/src/lib.rs
deleted file mode 100644
index 76bd65e..0000000
--- a/crates/rust-encoding/src/lib.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub use encoding_c;
diff --git a/crates/rust-encoding/rust-encoding.h b/deps/include/rust-encoding.h
similarity index 99%
rename from crates/rust-encoding/rust-encoding.h
rename to deps/include/rust-encoding.h
index 6f67cc9..70eeea6 100644
--- a/crates/rust-encoding/rust-encoding.h
+++ b/deps/include/rust-encoding.h
@@ -1,3 +1,6 @@
+// NOTE: This file was generated by cbindgen for the encoding_c crate.
+// Since that crate is included in SpiderMonkey, we just include the header file here.
+// TODO: look into whether we can bundle the header file with SpiderMonkey's includes.
 // The constructor created by cbindgen's `derive_constructor` causes this warning.
 // Gecko's various uses of cbindgen silence it, so we do, too.
 #ifdef __clang__