diff --git a/Cargo.toml b/Cargo.toml
index a9124f0..9cde74c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,6 @@ ctap-types = "0.1.0"
 delog = "0.1.0"
 heapless = "0.7"
 interchange = "0.2.0"
-littlefs2 = "0.3.1"
 serde = { version = "1.0", default-features = false }
 serde_cbor = { version = "0.11.0", default-features = false }
 serde-indexed = "0.1.0"
@@ -44,3 +43,6 @@ rand = "0.8.4"
 
 [package.metadata.docs.rs]
 features = ["dispatch"]
+
+[patch.crates-io]
+trussed = { git = "https://github.com/trussed-dev/trussed", rev = "55ea391367fce4bf5093ff2d3c79041d7aef0485" }
diff --git a/src/credential.rs b/src/credential.rs
index d71fd50..f00f98f 100644
--- a/src/credential.rs
+++ b/src/credential.rs
@@ -252,7 +252,8 @@ impl Credential {
         let nonce: [u8; 12] = self.nonce.as_slice().try_into().unwrap();
         let encrypted_serialized_credential = EncryptedSerializedCredential(syscall!(trussed
             .encrypt_chacha8poly1305(key_encryption_key, message, associated_data, Some(&nonce))));
-        let credential_id: CredentialId = encrypted_serialized_credential.try_into()
+        let credential_id: CredentialId = encrypted_serialized_credential
+            .try_into()
             .map_err(|_| Error::RequestTooLarge)?;
 
         Ok(credential_id)
diff --git a/src/ctap2.rs b/src/ctap2.rs
index 9be3333..6ce9d30 100644
--- a/src/ctap2.rs
+++ b/src/ctap2.rs
@@ -7,12 +7,10 @@ use ctap_types::{
     sizes, Error,
 };
 
-use littlefs2::path::Path;
-
 use trussed::{
     syscall, try_syscall,
     types::{
-        KeyId, KeySerialization, Location, Mechanism, MediumData, Message, PathBuf,
+        KeyId, KeySerialization, Location, Mechanism, MediumData, Message, Path, PathBuf,
         SignatureSerialization,
     },
 };
diff --git a/src/ctap2/credential_management.rs b/src/ctap2/credential_management.rs
index d8bc26f..ed6f75e 100644
--- a/src/ctap2/credential_management.rs
+++ b/src/ctap2/credential_management.rs
@@ -4,7 +4,7 @@ use core::convert::TryFrom;
 
 use trussed::{
     syscall,
-    types::{DirEntry, Location},
+    types::{DirEntry, Location, Path, PathBuf},
 };
 
 use ctap_types::{
@@ -15,8 +15,6 @@ use ctap_types::{
     Error,
 };
 
-use littlefs2::path::{Path, PathBuf};
-
 use crate::{
     credential::Credential,
     state::{CredentialManagementEnumerateCredentials, CredentialManagementEnumerateRps},
diff --git a/src/dispatch.rs b/src/dispatch.rs
index fb65133..08d1fc7 100644
--- a/src/dispatch.rs
+++ b/src/dispatch.rs
@@ -112,9 +112,7 @@ where
 
     // Goal of these nested scopes is to keep stack small.
     let ctap_response = {
-        let ctap_request = {
-            ctap1::Request::try_from(command)?
-        };
+        let ctap_request = { ctap1::Request::try_from(command)? };
         ctap1::Authenticator::call_ctap1(authenticator, &ctap_request)?
     };
     // debug!("1b SP: {:X}", msp());
diff --git a/src/state.rs b/src/state.rs
index 69d608f..20eaeef 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -12,12 +12,11 @@ use ctap_types::{
 };
 use trussed::{
     client, syscall, try_syscall,
-    types::{self, KeyId, Location, Mechanism},
+    types::{self, KeyId, Location, Mechanism, PathBuf},
     Client as TrussedClient,
 };
 
 use heapless::binary_heap::{BinaryHeap, Max};
-use littlefs2::path::PathBuf;
 
 use crate::{cbor_serialize_message, credential::Credential, Result};