diff --git a/bindings/nostr-ffi/src/lib.rs b/bindings/nostr-ffi/src/lib.rs
index 7547b47c2..87851ae86 100644
--- a/bindings/nostr-ffi/src/lib.rs
+++ b/bindings/nostr-ffi/src/lib.rs
@@ -4,6 +4,8 @@
 
 //! Nostr FFI
 
+#![allow(clippy::new_without_default)]
+
 use std::sync::Arc;
 
 use uniffi::Object;
diff --git a/bindings/nostr-ffi/src/types/contact.rs b/bindings/nostr-ffi/src/types/contact.rs
index 5df1c7569..f643ab6bb 100644
--- a/bindings/nostr-ffi/src/types/contact.rs
+++ b/bindings/nostr-ffi/src/types/contact.rs
@@ -5,42 +5,42 @@
 use std::ops::Deref;
 use std::sync::Arc;
 
-use nostr::{Contact as ContactSdk, UncheckedUrl};
+use nostr::UncheckedUrl;
 use uniffi::Object;
 
 use crate::PublicKey;
 
 #[derive(Object)]
 pub struct Contact {
-    contact: ContactSdk,
+    inner: nostr::Contact,
 }
 
 impl Deref for Contact {
-    type Target = ContactSdk;
+    type Target = nostr::Contact;
     fn deref(&self) -> &Self::Target {
-        &self.contact
+        &self.inner
     }
 }
 
 #[uniffi::export]
 impl Contact {
     #[uniffi::constructor]
-    pub fn new(pk: Arc<PublicKey>, relay_url: Option<String>, alias: Option<String>) -> Arc<Self> {
+    pub fn new(pk: Arc<PublicKey>, relay_url: Option<String>, alias: Option<String>) -> Self {
         let relay_url = relay_url.map(|relay_url| UncheckedUrl::from(&relay_url));
-        Arc::new(Self {
-            contact: ContactSdk::new(**pk, relay_url, alias),
-        })
+        Self {
+            inner: nostr::Contact::new(**pk, relay_url, alias),
+        }
     }
 
     pub fn alias(&self) -> Option<String> {
-        self.contact.alias.clone()
+        self.inner.alias.clone()
     }
 
     pub fn public_key(&self) -> Arc<PublicKey> {
-        Arc::new(self.contact.pk.into())
+        Arc::new(self.inner.pk.into())
     }
 
     pub fn relay_url(&self) -> Option<String> {
-        self.contact.relay_url.clone().map(|u| u.to_string())
+        self.inner.relay_url.clone().map(|u| u.to_string())
     }
 }
diff --git a/bindings/nostr-ffi/src/types/image.rs b/bindings/nostr-ffi/src/types/image.rs
index be31221df..0ae4d8727 100644
--- a/bindings/nostr-ffi/src/types/image.rs
+++ b/bindings/nostr-ffi/src/types/image.rs
@@ -2,8 +2,6 @@
 // Copyright (c) 2023-2024 Rust Nostr Developers
 // Distributed under the MIT software license
 
-use std::sync::Arc;
-
 use uniffi::Object;
 
 #[derive(Object)]
@@ -32,10 +30,10 @@ impl From<&ImageDimensions> for nostr::ImageDimensions {
 #[uniffi::export]
 impl ImageDimensions {
     #[uniffi::constructor]
-    pub fn new(width: u64, height: u64) -> Arc<Self> {
-        Arc::new(Self {
+    pub fn new(width: u64, height: u64) -> Self {
+        Self {
             inner: nostr::ImageDimensions { width, height },
-        })
+        }
     }
 
     pub fn width(&self) -> u64 {
diff --git a/bindings/nostr-ffi/src/types/metadata.rs b/bindings/nostr-ffi/src/types/metadata.rs
index 2709d4c80..8132d1781 100644
--- a/bindings/nostr-ffi/src/types/metadata.rs
+++ b/bindings/nostr-ffi/src/types/metadata.rs
@@ -32,120 +32,120 @@ impl From<nostr::Metadata> for Metadata {
 #[uniffi::export]
 impl Metadata {
     #[uniffi::constructor]
-    pub fn new() -> Arc<Self> {
-        Arc::new(Self {
+    pub fn new() -> Self {
+        Self {
             inner: nostr::Metadata::new(),
-        })
+        }
     }
 
     #[uniffi::constructor]
-    pub fn from_json(json: String) -> Result<Arc<Self>> {
-        Ok(Arc::new(Self {
+    pub fn from_json(json: String) -> Result<Self> {
+        Ok(Self {
             inner: nostr::Metadata::from_json(json)?,
-        }))
+        })
     }
 
     pub fn as_json(&self) -> String {
         self.inner.as_json()
     }
 
-    pub fn set_name(self: Arc<Self>, name: String) -> Arc<Self> {
+    pub fn set_name(self: Arc<Self>, name: String) -> Self {
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.name(name);
-        Arc::new(builder)
+        builder
     }
 
     pub fn get_name(&self) -> Option<String> {
         self.inner.name.clone()
     }
 
-    pub fn set_display_name(self: Arc<Self>, display_name: String) -> Arc<Self> {
+    pub fn set_display_name(self: Arc<Self>, display_name: String) -> Self {
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.display_name(display_name);
-        Arc::new(builder)
+        builder
     }
 
     pub fn get_display_name(&self) -> Option<String> {
         self.inner.display_name.clone()
     }
 
-    pub fn set_about(self: Arc<Self>, about: String) -> Arc<Self> {
+    pub fn set_about(self: Arc<Self>, about: String) -> Self {
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.about(about);
-        Arc::new(builder)
+        builder
     }
 
     pub fn get_about(&self) -> Option<String> {
         self.inner.about.clone()
     }
 
-    pub fn set_website(self: Arc<Self>, website: String) -> Result<Arc<Self>> {
+    pub fn set_website(self: Arc<Self>, website: String) -> Result<Self> {
         let website = Url::parse(&website)?;
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.website(website);
-        Ok(Arc::new(builder))
+        Ok(builder)
     }
 
     pub fn get_website(&self) -> Option<String> {
         self.inner.website.clone()
     }
 
-    pub fn set_picture(self: Arc<Self>, picture: String) -> Result<Arc<Self>> {
+    pub fn set_picture(self: Arc<Self>, picture: String) -> Result<Self> {
         let picture = Url::parse(&picture)?;
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.picture(picture);
-        Ok(Arc::new(builder))
+        Ok(builder)
     }
 
     pub fn get_picture(&self) -> Option<String> {
         self.inner.picture.clone()
     }
 
-    pub fn set_banner(self: Arc<Self>, banner: String) -> Result<Arc<Self>> {
+    pub fn set_banner(self: Arc<Self>, banner: String) -> Result<Self> {
         let banner = Url::parse(&banner)?;
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.banner(banner);
-        Ok(Arc::new(builder))
+        Ok(builder)
     }
 
     pub fn get_banner(&self) -> Option<String> {
         self.inner.banner.clone()
     }
 
-    pub fn set_nip05(self: Arc<Self>, nip05: String) -> Arc<Self> {
+    pub fn set_nip05(self: Arc<Self>, nip05: String) -> Self {
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.nip05(nip05);
-        Arc::new(builder)
+        builder
     }
 
     pub fn get_nip05(&self) -> Option<String> {
         self.inner.nip05.clone()
     }
 
-    pub fn set_lud06(self: Arc<Self>, lud06: String) -> Arc<Self> {
+    pub fn set_lud06(self: Arc<Self>, lud06: String) -> Self {
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.lud06(lud06);
-        Arc::new(builder)
+        builder
     }
 
     pub fn get_lud06(&self) -> Option<String> {
         self.inner.lud06.clone()
     }
 
-    pub fn set_lud16(self: Arc<Self>, lud16: String) -> Arc<Self> {
+    pub fn set_lud16(self: Arc<Self>, lud16: String) -> Self {
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.lud16(lud16);
-        Arc::new(builder)
+        builder
     }
 
     pub fn get_lud16(&self) -> Option<String> {
         self.inner.lud16.clone()
     }
 
-    pub fn set_custom_field(self: Arc<Self>, key: String, value: String) -> Arc<Self> {
+    pub fn set_custom_field(self: Arc<Self>, key: String, value: String) -> Self {
         let mut builder = unwrap_or_clone_arc(self);
         builder.inner = builder.inner.custom_field(key, value);
-        Arc::new(builder)
+        builder
     }
 
     pub fn get_custom_field(&self, key: String) -> Option<String> {
diff --git a/bindings/nostr-ffi/src/types/time.rs b/bindings/nostr-ffi/src/types/time.rs
index af0740c45..74946a64f 100644
--- a/bindings/nostr-ffi/src/types/time.rs
+++ b/bindings/nostr-ffi/src/types/time.rs
@@ -3,7 +3,6 @@
 // Distributed under the MIT software license
 
 use std::ops::Deref;
-use std::sync::Arc;
 
 use uniffi::Object;
 
@@ -29,17 +28,24 @@ impl Deref for Timestamp {
 impl Timestamp {
     /// Get UNIX timestamp
     #[uniffi::constructor]
-    pub fn now() -> Arc<Self> {
-        Arc::new(Self {
+    pub fn now() -> Self {
+        Self {
             inner: nostr::Timestamp::now(),
-        })
+        }
     }
 
     #[uniffi::constructor]
-    pub fn from_secs(secs: u64) -> Arc<Self> {
-        Arc::new(Self {
+    pub fn tweaked() -> Self {
+        Self {
+            inner: nostr::Timestamp::tweaked(),
+        }
+    }
+
+    #[uniffi::constructor]
+    pub fn from_secs(secs: u64) -> Self {
+        Self {
             inner: nostr::Timestamp::from(secs),
-        })
+        }
     }
 
     /// Get timestamp as [`u64`]
diff --git a/bindings/nostr-sdk-ffi/src/relay.rs b/bindings/nostr-sdk-ffi/src/relay.rs
index 2e24cb992..21820ab53 100644
--- a/bindings/nostr-sdk-ffi/src/relay.rs
+++ b/bindings/nostr-sdk-ffi/src/relay.rs
@@ -37,7 +37,7 @@ impl RelayConnectionStats {
         self.inner.uptime()
     }
 
-    pub fn connected_at(&self) -> Arc<Timestamp> {
+    pub fn connected_at(&self) -> Timestamp {
         let secs = self.inner.connected_at().as_u64();
         Timestamp::from_secs(secs)
     }