diff --git a/components/bluetooth/lib.rs b/components/bluetooth/lib.rs
index 5519d74f408..69b22b60e11 100644
--- a/components/bluetooth/lib.rs
+++ b/components/bluetooth/lib.rs
@@ -31,10 +31,6 @@ use std::thread;
 use std::time::Duration;
 use util::thread::spawn_named;
 
-const ADAPTER_ERROR: &'static str = "No adapter found";
-
-const ADAPTER_NOT_POWERED_ERROR: &'static str = "Bluetooth adapter not powered";
-
 // A transaction not completed within 30 seconds shall time out. Such a transaction shall be considered to have failed.
 // https://www.bluetooth.org/DocMan/handlers/DownloadDoc.ashx?doc_id=286439 (Vol. 3, page 480)
 const MAXIMUM_TRANSACTION_TIME: u8 = 30;
@@ -75,11 +71,11 @@ macro_rules! get_adapter_or_return_error(
         match $bl_manager.get_or_create_adapter() {
             Some(adapter) => {
                 if !adapter.is_powered().unwrap_or(false) {
-                    return drop($sender.send(Err(BluetoothError::Type(ADAPTER_NOT_POWERED_ERROR.to_string()))))
+                    return drop($sender.send(Err(BluetoothError::NotFound)))
                 }
                 adapter
             },
-            None => return drop($sender.send(Err(BluetoothError::Type(ADAPTER_ERROR.to_string())))),
+            None => return drop($sender.send(Err(BluetoothError::NotFound))),
         }
     );
 );
@@ -701,7 +697,7 @@ impl BluetoothManager {
         }
         let mut adapter = match self.get_or_create_adapter() {
             Some(a) => a,
-            None => return drop(sender.send(Err(BluetoothError::Type(ADAPTER_ERROR.to_string())))),
+            None => return drop(sender.send(Err(BluetoothError::NotFound))),
         };
         let device = match self.device_from_service_id(&service_id) {
             Some(device) => device,
@@ -735,7 +731,7 @@ impl BluetoothManager {
         }
         let mut adapter = match self.get_or_create_adapter() {
             Some(a) => a,
-            None => return drop(sender.send(Err(BluetoothError::Type(ADAPTER_ERROR.to_string())))),
+            None => return drop(sender.send(Err(BluetoothError::NotFound))),
         };
         let device = match self.device_from_service_id(&service_id) {
             Some(device) => device,
diff --git a/tests/wpt/mozilla/meta/mozilla/bluetooth/requestDevice/adapter-not-present.html.ini b/tests/wpt/mozilla/meta/mozilla/bluetooth/requestDevice/adapter-not-present.html.ini
deleted file mode 100644
index e3387360d4a..00000000000
--- a/tests/wpt/mozilla/meta/mozilla/bluetooth/requestDevice/adapter-not-present.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[adapter-not-present.html]
-  type: testharness
-  [Reject with NotFoundError if the adapter is not present.]
-    expected: FAIL
diff --git a/tests/wpt/mozilla/meta/mozilla/bluetooth/requestDevice/adapter-off.html.ini b/tests/wpt/mozilla/meta/mozilla/bluetooth/requestDevice/adapter-off.html.ini
deleted file mode 100644
index b1efda59017..00000000000
--- a/tests/wpt/mozilla/meta/mozilla/bluetooth/requestDevice/adapter-off.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[adapter-off.html]
-  type: testharness
-  [Reject with NotFoundError if the adapter is off.]
-    expected: FAIL