diff --git a/.gitmodules b/.gitmodules
index af035b6dd..4213af087 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,6 @@
 [submodule "helgoboss-learn"]
 	path = main/lib/helgoboss-learn
 	url = https://github.com/helgoboss/helgoboss-learn.git
+[submodule "playtime-clip-engine"]
+	path = playtime-clip-engine
+	url = git@github.com:helgoboss/playtime-clip-engine-placeholder.git
diff --git a/Cargo.lock b/Cargo.lock
index 12d08d68a..d332fd366 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -343,15 +343,6 @@ dependencies = [
  "system-deps",
 ]
 
-[[package]]
-name = "atomic"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b88d82667eca772c4aa12f0f1348b3ae643424c8876448f3f7bd5787032e234c"
-dependencies = [
- "autocfg 1.0.1",
-]
-
 [[package]]
 name = "atomic-shim"
 version = "0.2.0"
@@ -3634,42 +3625,6 @@ dependencies = [
 [[package]]
 name = "playtime-clip-engine"
 version = "0.1.0"
-dependencies = [
- "assert_no_alloc",
- "atomic",
- "base",
- "crossbeam-channel",
- "derivative",
- "derive_more",
- "either",
- "enumflags2",
- "futures",
- "helgoboss-learn",
- "helgoboss-midi",
- "indexmap",
- "itertools",
- "metrics",
- "nanoid",
- "num_enum 0.5.4",
- "once_cell",
- "playtime-api",
- "prost",
- "reaper-high",
- "reaper-low",
- "reaper-medium",
- "rtrb",
- "serde",
- "serde_json",
- "slug",
- "static_assertions",
- "swell-ui",
- "tokio",
- "tokio-stream",
- "tonic",
- "tracing",
- "ulid",
- "xxhash-rust",
-]
 
 [[package]]
 name = "png"
@@ -4587,15 +4542,6 @@ dependencies = [
  "splitty",
 ]
 
-[[package]]
-name = "rtrb"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "041ed130bf0bc1ef82c1b0e326d23c4b799876968e3483421c8b9e59f55f3308"
-dependencies = [
- "cache-padded",
-]
-
 [[package]]
 name = "runas"
 version = "0.2.1"
@@ -5142,12 +5088,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8dae68aa5bd5dc2d3a2137b0f6bcdd8255dce1983dc155fe0246572e179c9c3a"
 
-[[package]]
-name = "static_assertions"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
-
 [[package]]
 name = "str-buf"
 version = "1.0.5"
@@ -5746,15 +5686,6 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
 
-[[package]]
-name = "ulid"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13a3aaa69b04e5b66cc27309710a569ea23593612387d67daaf102e73aa974fd"
-dependencies = [
- "rand 0.8.4",
-]
-
 [[package]]
 name = "unic-langid"
 version = "0.9.0"
diff --git a/main/Cargo.toml b/main/Cargo.toml
index 96bcf7b3e..a86831f65 100644
--- a/main/Cargo.toml
+++ b/main/Cargo.toml
@@ -8,7 +8,7 @@ license = "GPL-3.0"
 rust-version = "1.68.2"
 
 [features]
-default = ["playtime"]
+default = []
 playtime = ["playtime-clip-engine", "playtime-api", "realearn-api/playtime"]
 
 # Regenerate bindings (for dialog resource IDs and EEL functions)