diff --git a/garnet/bin/bluetooth/README.md b/garnet/bin/bluetooth/README.md
index 1a76131..cae186a 100644
--- a/garnet/bin/bluetooth/README.md
+++ b/garnet/bin/bluetooth/README.md
@@ -12,7 +12,7 @@
   * [Control](../../public/fidl/fuchsia.bluetooth.control)
   * [GATT](../../public/fidl/fuchsia.bluetooth.gatt)
   * [LE](../../public/fidl/fuchsia.bluetooth.le)
-- [Private API](../../lib/bluetooth/fidl)
+- [Private API](/sdk/fidl/fuchsia.bluetooth.host)
 - [Tools](tools/)
 - [Host Library](../../drivers/bluetooth/lib)
 - [Host Bus Driver](../../drivers/bluetooth/host)
diff --git a/garnet/bin/bluetooth/bt-gap/BUILD.gn b/garnet/bin/bluetooth/bt-gap/BUILD.gn
index e5e005e..33271d3 100644
--- a/garnet/bin/bluetooth/bt-gap/BUILD.gn
+++ b/garnet/bin/bluetooth/bt-gap/BUILD.gn
@@ -12,12 +12,12 @@
   with_unit_tests = true
 
   deps = [
-    "//garnet/lib/bluetooth/fidl:fuchsia.bluetooth.host-rustc",
     "//garnet/lib/rust/fuchsia-bluetooth",
     "//sdk/fidl/fuchsia.bluetooth:fuchsia.bluetooth-rustc",
     "//sdk/fidl/fuchsia.bluetooth.bredr:fuchsia.bluetooth.bredr-rustc",
     "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
     "//sdk/fidl/fuchsia.bluetooth.gatt:fuchsia.bluetooth.gatt-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.host:fuchsia.bluetooth.host-rustc",
     "//sdk/fidl/fuchsia.bluetooth.le:fuchsia.bluetooth.le-rustc",
     "//sdk/fidl/fuchsia.stash:fuchsia.stash-rustc",
     "//garnet/public/lib/fidl/rust/fidl",
diff --git a/garnet/bin/bluetooth/bt-gap/README.md b/garnet/bin/bluetooth/bt-gap/README.md
index 091a124..66607ee 100644
--- a/garnet/bin/bluetooth/bt-gap/README.md
+++ b/garnet/bin/bluetooth/bt-gap/README.md
@@ -4,7 +4,7 @@
 - [HostDevice](host_device.rs):
   - Receives FIDL events from `bt-host`, and relays them to mods via
     HostDispatcher.
-  - Provides thin wrappers over some of the [private Bluetooth API](../../../lib/bluetooth/fidl), for use by HostDispatcher.
+  - Provides thin wrappers over some of the [private Bluetooth API](/sdk/fidl/fuchsia.bluetooth.host), for use by HostDispatcher.
 - [ControlService](control_service.rs): Implements the `fuchsia.bluetooth.control.Control`
   interface, calling into HostDispatcher for help.
 - [HostDispatcher](host_dispatcher.rs):
diff --git a/garnet/bin/bluetooth/bt-mgr/BUILD.gn b/garnet/bin/bluetooth/bt-mgr/BUILD.gn
index fd7b761..fbaab37 100644
--- a/garnet/bin/bluetooth/bt-mgr/BUILD.gn
+++ b/garnet/bin/bluetooth/bt-mgr/BUILD.gn
@@ -10,12 +10,12 @@
   edition = "2018"
 
   deps = [
-    "//garnet/lib/bluetooth/fidl:fuchsia.bluetooth.host-rustc",
     "//garnet/lib/rust/fuchsia-bluetooth",
     "//sdk/fidl/fuchsia.bluetooth:fuchsia.bluetooth-rustc",
     "//sdk/fidl/fuchsia.bluetooth.bredr:fuchsia.bluetooth.bredr-rustc",
     "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
     "//sdk/fidl/fuchsia.bluetooth.gatt:fuchsia.bluetooth.gatt-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.host:fuchsia.bluetooth.host-rustc",
     "//sdk/fidl/fuchsia.bluetooth.le:fuchsia.bluetooth.le-rustc",
     "//sdk/fidl/fuchsia.bluetooth.snoop:fuchsia.bluetooth.snoop-rustc",
     "//garnet/public/lib/fidl/rust/fidl",
diff --git a/garnet/bin/bluetooth/tests/integration/BUILD.gn b/garnet/bin/bluetooth/tests/integration/BUILD.gn
index b35a826..3509d52 100644
--- a/garnet/bin/bluetooth/tests/integration/BUILD.gn
+++ b/garnet/bin/bluetooth/tests/integration/BUILD.gn
@@ -14,13 +14,13 @@
 rustc_binary("host_lifecycle") {
   edition = "2015"
   deps = [
-    "//garnet/lib/bluetooth/fidl:fuchsia.bluetooth.host-rustc",
     "//garnet/lib/rust/fuchsia-bluetooth",
-    "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
-    "//sdk/fidl/fuchsia.bluetooth.gatt:fuchsia.bluetooth.gatt-rustc",
-    "//sdk/fidl/fuchsia.bluetooth.le:fuchsia.bluetooth.le-rustc",
     "//garnet/public/rust/fdio",
     "//garnet/public/rust/fuchsia-async",
+    "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.gatt:fuchsia.bluetooth.gatt-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.host:fuchsia.bluetooth.host-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.le:fuchsia.bluetooth.le-rustc",
     "//third_party/rust-crates/rustc_deps:failure",
     "//third_party/rust-crates/rustc_deps:futures-preview",
     "//third_party/rust-crates/rustc_deps:parking_lot",
@@ -34,16 +34,16 @@
   edition = "2018"
   with_unit_tests = true
   deps = [
-    "//garnet/lib/bluetooth/fidl:fuchsia.bluetooth.host-rustc",
     "//garnet/lib/rust/fuchsia-bluetooth",
-    "//sdk/fidl/fuchsia.bluetooth:fuchsia.bluetooth-rustc",
-    "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
-    "//sdk/fidl/fuchsia.bluetooth.gatt:fuchsia.bluetooth.gatt-rustc",
-    "//sdk/fidl/fuchsia.bluetooth.le:fuchsia.bluetooth.le-rustc",
     "//garnet/public/rust/fdio",
     "//garnet/public/rust/fuchsia-async",
     "//garnet/public/rust/fuchsia-vfs/fuchsia-vfs-watcher",
     "//garnet/public/rust/fuchsia-zircon",
+    "//sdk/fidl/fuchsia.bluetooth:fuchsia.bluetooth-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.gatt:fuchsia.bluetooth.gatt-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.host:fuchsia.bluetooth.host-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.le:fuchsia.bluetooth.le-rustc",
     "//third_party/rust-crates/rustc_deps:failure",
     "//third_party/rust-crates/rustc_deps:futures-preview",
     "//third_party/rust-crates/rustc_deps:parking_lot",
diff --git a/garnet/docs/bluetooth_architecture.md b/garnet/docs/bluetooth_architecture.md
index 21b6550..f05355d 100644
--- a/garnet/docs/bluetooth_architecture.md
+++ b/garnet/docs/bluetooth_architecture.md
@@ -77,7 +77,7 @@
 [control.fidl](../public/fidl/fuchsia.bluetooth.control.fidl) provides a management
 interface to designate an active adapter when multiple adapters are present.
 
-bt-host devices implement the [host.fidl](../lib/bluetooth/fidl/host.fidl)
+bt-host devices implement the [host.fidl](/sdk/fidl/fuchsia.bluetooth.host/host.fidl)
 management interface to communicate with the Bluetooth system service (accessed
 via [ioctl](../lib/bluetooth/fidl/c/bt_host.h).
 
diff --git a/garnet/drivers/bluetooth/host/BUILD.gn b/garnet/drivers/bluetooth/host/BUILD.gn
index 1b0bb6b..f28f39b 100644
--- a/garnet/drivers/bluetooth/host/BUILD.gn
+++ b/garnet/drivers/bluetooth/host/BUILD.gn
@@ -52,12 +52,12 @@
   deps = [
     "//garnet/drivers/bluetooth/lib",
     "//garnet/lib/bluetooth/c",
-    "//garnet/lib/bluetooth/fidl:fuchsia.bluetooth.host",
-    "//sdk/fidl/fuchsia.bluetooth",
+    "//garnet/public/lib/fxl",
     "//sdk/fidl/fuchsia.bluetooth.control",
     "//sdk/fidl/fuchsia.bluetooth.gatt",
+    "//sdk/fidl/fuchsia.bluetooth.host:fuchsia.bluetooth.host",
     "//sdk/fidl/fuchsia.bluetooth.le",
-    "//garnet/public/lib/fxl",
+    "//sdk/fidl/fuchsia.bluetooth",
     "//zircon/public/banjo/ddk-protocol-bt-gattsvc",
     "//zircon/public/lib/ddk",
     "//zircon/public/lib/driver",
diff --git a/garnet/lib/bluetooth/c/bt_host.h b/garnet/lib/bluetooth/c/bt_host.h
index 28c54e5..2ba89b8 100644
--- a/garnet/lib/bluetooth/c/bt_host.h
+++ b/garnet/lib/bluetooth/c/bt_host.h
@@ -10,7 +10,7 @@
 __BEGIN_CDECLS
 
 // This ioctl can be used on a bt-host device to open a Host FIDL
-// interface channel (see garnet/lib/bluetooth/fidl/host.fidl).
+// interface channel (see //sdk/fidl/fuchsia.bluetooth.host/host.fidl).
 #define IOCTL_BT_HOST_OPEN_CHANNEL \
   IOCTL(IOCTL_KIND_GET_HANDLE, IOCTL_FAMILY_BT_HOST, 0)
 
diff --git a/garnet/lib/rust/fuchsia-bluetooth/BUILD.gn b/garnet/lib/rust/fuchsia-bluetooth/BUILD.gn
index 9c9ac72..f75e921 100644
--- a/garnet/lib/rust/fuchsia-bluetooth/BUILD.gn
+++ b/garnet/lib/rust/fuchsia-bluetooth/BUILD.gn
@@ -13,11 +13,11 @@
   with_unit_tests = true
 
   deps = [
-    "//garnet/lib/bluetooth/fidl:fuchsia.bluetooth.host-rustc",
-    "//sdk/fidl/fuchsia.bluetooth:fuchsia.bluetooth-rustc",
-    "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
     "//garnet/public/rust/fdio",
     "//garnet/public/rust/fuchsia-zircon",
+    "//sdk/fidl/fuchsia.bluetooth:fuchsia.bluetooth-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.control:fuchsia.bluetooth.control-rustc",
+    "//sdk/fidl/fuchsia.bluetooth.host:fuchsia.bluetooth.host-rustc",
     "//third_party/rust-crates/rustc_deps:failure",
     "//third_party/rust-crates/rustc_deps:lazy_static",
     "//third_party/rust-crates/rustc_deps:rand",
diff --git a/garnet/lib/bluetooth/fidl/BUILD.gn b/sdk/fidl/fuchsia.bluetooth.host/BUILD.gn
similarity index 89%
rename from garnet/lib/bluetooth/fidl/BUILD.gn
rename to sdk/fidl/fuchsia.bluetooth.host/BUILD.gn
index ce25946..de698cc 100644
--- a/garnet/lib/bluetooth/fidl/BUILD.gn
+++ b/sdk/fidl/fuchsia.bluetooth.host/BUILD.gn
@@ -5,10 +5,15 @@
 import("//build/fidl/fidl.gni")
 
 fidl("fuchsia.bluetooth.host") {
+  # Internal-only
+  #
+  # Do not add to partner SDK.
+
   sources = [
     "bonding.fidl",
     "host.fidl",
   ]
+
   public_deps = [
     "//sdk/fidl/fuchsia.bluetooth",
     "//sdk/fidl/fuchsia.bluetooth.bredr",
diff --git a/garnet/lib/bluetooth/fidl/bonding.fidl b/sdk/fidl/fuchsia.bluetooth.host/bonding.fidl
similarity index 100%
rename from garnet/lib/bluetooth/fidl/bonding.fidl
rename to sdk/fidl/fuchsia.bluetooth.host/bonding.fidl
diff --git a/garnet/lib/bluetooth/fidl/host.fidl b/sdk/fidl/fuchsia.bluetooth.host/host.fidl
similarity index 100%
rename from garnet/lib/bluetooth/fidl/host.fidl
rename to sdk/fidl/fuchsia.bluetooth.host/host.fidl