diff --git a/Cargo.lock b/Cargo.lock
index 89eb0def..c73e0fa4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,16 +26,6 @@ version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "330a5ed07fa54e4702c9d6c4174f74427fc0ef6e214bbd677ae50a5099946470"
 
-[[package]]
-name = "assert-json-diff"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47e4f2b81832e72834d7518d8487a0396a28cc408186a2e8854c0f98011faf12"
-dependencies = [
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "async-trait"
 version = "0.1.92"
@@ -282,24 +272,6 @@ version = "2.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4583a4551df46e2792f82ceeac45e850d2e2d5debba0b91f102385cda5b11f06"
 
-[[package]]
-name = "deadpool"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0be2b1d1d6ec8d846f05e137292d0b89133caf95ef33695424c09568bdd39b1b"
-dependencies = [
- "deadpool-runtime",
- "lazy_static",
- "num_cpus",
- "tokio",
-]
-
-[[package]]
-name = "deadpool-runtime"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "092966b41edc516079bdf31ec78a2e0588d1d0c08f78b91d8307215928642b2b"
-
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -407,12 +379,6 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26b73573e6edcd2af0cdf47bd6cb58f0b3839491263c314eaad1ccf24430e1de"
 
-[[package]]
-name = "fnv"
-version = "1.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
-
 [[package]]
 name = "foldhash"
 version = "0.2.0"
@@ -577,25 +543,6 @@ dependencies = [
  "log",
 ]
 
-[[package]]
-name = "h2"
-version = "0.4.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9f37a958b41b3b19ee2707c06439c0e9e547e847223eb791ecb0cb821c65e27"
-dependencies = [
- "atomic-waker",
- "bytes",
- "fnv",
- "futures-core",
- "futures-sink",
- "http",
- "indexmap",
- "slab",
- "tokio",
- "tokio-util",
- "tracing",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.16.1"
@@ -623,12 +570,6 @@ dependencies = [
  "hashbrown 0.17.1",
 ]
 
-[[package]]
-name = "hermit-abi"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
-
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -705,7 +646,6 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-core",
- "h2",
  "http",
  "http-body",
  "httparse",
@@ -854,12 +794,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-
 [[package]]
 name = "libc"
 version = "0.2.189"
@@ -1002,16 +936,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "num_cpus"
-version = "1.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91df4bbde75afed763b708b7eee1e8e7651e02d97f6d5dd763e89367e957b23b"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
 [[package]]
 name = "objc2"
 version = "0.6.4"
@@ -1830,7 +1754,6 @@ version = "1.16.0"
 dependencies = [
  "anyhow",
  "async-trait",
- "log",
  "serde",
  "serde_json",
  "tinymemory-api",
@@ -1892,7 +1815,6 @@ dependencies = [
  "axum",
  "chrono",
  "dirs",
- "futures",
  "log",
  "parking_lot",
  "rand 0.10.2",
@@ -1905,19 +1827,15 @@ dependencies = [
  "tempfile",
  "thiserror",
  "tinycortex",
- "tinycortex-api",
  "tinyinference",
  "tinymemory",
  "tinymemory-api",
  "tinymemory-conformance",
  "tinymemory-sources",
- "tinymemory-sync",
  "tokio",
  "tracing",
- "url",
  "uuid",
  "walkdir",
- "wiremock",
 ]
 
 [[package]]
@@ -1989,13 +1907,11 @@ dependencies = [
 name = "tinymemory-testing-ui"
 version = "0.1.0"
 dependencies = [
- "anyhow",
  "async-trait",
  "axum",
  "http-body-util",
  "serde",
  "serde_json",
- "tinymemory",
  "tinymemory-api",
  "tinymemory-documents",
  "tinymemory-remote",
@@ -2100,7 +2016,6 @@ dependencies = [
  "bytes",
  "futures-core",
  "futures-sink",
- "libc",
  "pin-project-lite",
  "tokio",
 ]
@@ -2643,29 +2558,6 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b97319f7b8343df12cc98938e5c3eb436064524c8d2b4e30a1d3a36eecdf81"
 
-[[package]]
-name = "wiremock"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08db1edfb05d9b3c1542e521aea074442088292f00b5f28e435c714a98f85031"
-dependencies = [
- "assert-json-diff",
- "base64",
- "deadpool",
- "futures",
- "http",
- "http-body-util",
- "hyper",
- "hyper-util",
- "log",
- "once_cell",
- "regex",
- "serde",
- "serde_json",
- "tokio",
- "url",
-]
-
 [[package]]
 name = "wit-bindgen"
 version = "0.57.1"
diff --git a/crates/tinymemory-core/Cargo.toml b/crates/tinymemory-core/Cargo.toml
index d9840c09..4c782456 100644
--- a/crates/tinymemory-core/Cargo.toml
+++ b/crates/tinymemory-core/Cargo.toml
@@ -16,11 +16,6 @@ readme = "../../README.md"
 # The contract. `tinymemory-core` implements and consumes it; the host seam
 # traits (config, event sink, embeddings, chat) live in `tinymemory_api::host`.
 tinymemory-api = { path = "../tinymemory-api" }
-# Composio payload normalisers, extracted out of the engine (issue #18 §B3).
-# They were reached through `tinycortex` until now, which meant a host binding a
-# different engine could not have Composio sync despite none of this code
-# caring which engine is bound.
-tinymemory-sync = { path = "../tinymemory-sync" }
 # The memory-source contracts and readers (#18 §B4). `network` because this
 # crate's sync path drives the GitHub/RSS/web-page readers; a host that only
 # reads local folders can take the crate without them.
@@ -31,11 +26,8 @@ tinymemory-sources = { path = "../tinymemory-sources", features = ["network"] }
 # real consumer.
 regex = "1.10"
 
-# The default embedded engine. `store/`, `tree/` and `sync/` drive it directly;
-# `tinycortex-api` is a direct dependency because `tinycortex::memory` aliases
-# back only `{error, traits, types}`.
+# The default embedded engine. `store/`, `tree/` and `sync/` drive it directly.
 tinycortex = { version = "0.1", features = ["obsidian", "persona", "people", "sync"] }
-tinycortex-api = { version = "0.1" }
 
 # Provider-neutral chat-model and embedding primitives used by the tree
 # summarizer and embedding factory. Agent runtime and session behavior do not
@@ -55,7 +47,6 @@ chrono = { version = "0.4", features = ["serde"] }
 # `tinycortex/persona.rs` resolves the user's home directory for the obsidian
 # vault default.
 dirs = "6"
-futures = "0.3"
 log = "0.4"
 parking_lot = "0.12"
 # `tree/tree/registry.rs` salts a tree id; the sync readers talk HTTP to the
@@ -69,14 +60,10 @@ serde_json = "1"
 sha2 = "0.11"
 thiserror = "2.0"
 tokio = { version = "1", features = ["full"] }
-url = "2"
 uuid = { version = "1", features = ["v4"] }
 walkdir = "2"
 
 [dev-dependencies]
-# The ported Composio connect tests stand up a mock HTTP server (#18 §B1),
-# exactly as they did in the engine.
-wiremock = "0.6"
 # `TestHostConfig` — the concrete `MemoryHostConfig` the extracted test suites
 # build, since `Config` is a trait object and cannot be `Default`ed.
 tinymemory-api = { path = "../tinymemory-api", features = ["test-support"] }
diff --git a/crates/tinymemory-testing-ui/Cargo.toml b/crates/tinymemory-testing-ui/Cargo.toml
index e23bcb43..09e98a9b 100644
--- a/crates/tinymemory-testing-ui/Cargo.toml
+++ b/crates/tinymemory-testing-ui/Cargo.toml
@@ -13,7 +13,6 @@ path = "src/main.rs"
 
 [dependencies]
 # The engine-neutral contract this harness drives every engine through.
-tinymemory = { path = "../tinymemory" }
 tinymemory-api = { path = "../tinymemory-api" }
 # The TinyCortex adapter backs the "local" engine choice (in-process, no
 # network, no API key). Re-exports the `tinycortex` engine crate itself
@@ -34,7 +33,6 @@ axum = { version = "0.8", features = ["multipart"] }
 tower-http = { version = "0.7", features = ["fs"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-anyhow = "1"
 # Parse URL authority fields before fetch so credentials can be rejected
 # without ever reflecting them through an upstream error message.
 url = "2"
diff --git a/crates/tinymemory/Cargo.toml b/crates/tinymemory/Cargo.toml
index 2646765e..0d58b8a5 100644
--- a/crates/tinymemory/Cargo.toml
+++ b/crates/tinymemory/Cargo.toml
@@ -47,8 +47,6 @@ tinymemory-conformance = { path = "../tinymemory-conformance", optional = true }
 async-trait = "0.1"
 # `Memory` is anyhow-typed; `mandatory::engine_error` maps it onto `MemoryError`.
 anyhow = "1"
-# Diagnostics on the shared store/recall/export paths.
-log = "0.4"
 # `ExportRecord::payload` is a `serde_json::Value`.
 serde_json = "1"