diff --git a/bindings/nostr-sdk-ffi/src/error.rs b/bindings/nostr-sdk-ffi/src/error.rs
index 2f5fa6505..450bd296d 100644
--- a/bindings/nostr-sdk-ffi/src/error.rs
+++ b/bindings/nostr-sdk-ffi/src/error.rs
@@ -3,10 +3,7 @@
 // Distributed under the MIT software license
 
 use std::fmt;
-use std::net::AddrParseError;
 
-use nostr::message::MessageHandleError;
-use tracing::subscriber::SetGlobalDefaultError;
 use uniffi::Error;
 
 pub type Result<T, E = NostrSdkError> = std::result::Result<T, E>;
@@ -17,8 +14,6 @@ pub enum NostrSdkError {
     Generic(String),
 }
 
-impl std::error::Error for NostrSdkError {}
-
 impl fmt::Display for NostrSdkError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
@@ -27,254 +22,11 @@ impl fmt::Display for NostrSdkError {
     }
 }
 
-impl From<std::num::ParseIntError> for NostrSdkError {
-    fn from(e: std::num::ParseIntError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<std::char::ParseCharError> for NostrSdkError {
-    fn from(e: std::char::ParseCharError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::signer::SignerError> for NostrSdkError {
-    fn from(e: nostr::signer::SignerError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::key::Error> for NostrSdkError {
-    fn from(e: nostr::key::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::key::vanity::Error> for NostrSdkError {
-    fn from(e: nostr::key::vanity::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<MessageHandleError> for NostrSdkError {
-    fn from(e: MessageHandleError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::types::metadata::Error> for NostrSdkError {
-    fn from(e: nostr::types::metadata::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::event::Error> for NostrSdkError {
-    fn from(e: nostr::event::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::event::builder::Error> for NostrSdkError {
-    fn from(e: nostr::event::builder::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::event::unsigned::Error> for NostrSdkError {
-    fn from(e: nostr::event::unsigned::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::event::tag::Error> for NostrSdkError {
-    fn from(e: nostr::event::tag::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip01::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip01::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip04::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip04::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip05::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip05::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip06::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip06::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip11::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip11::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip19::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip19::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip21::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip21::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip26::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip26::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip44::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip44::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip46::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip46::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip47::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip47::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip49::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip49::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip53::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip53::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip57::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip57::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip59::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip59::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::nips::nip90::Error> for NostrSdkError {
-    fn from(e: nostr::nips::nip90::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::secp256k1::Error> for NostrSdkError {
-    fn from(e: nostr::secp256k1::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::types::url::Error> for NostrSdkError {
-    fn from(e: nostr::types::url::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::types::url::ParseError> for NostrSdkError {
-    fn from(e: nostr::types::url::ParseError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::hashes::hex::HexToArrayError> for NostrSdkError {
-    fn from(e: nostr::hashes::hex::HexToArrayError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::serde_json::Error> for NostrSdkError {
-    fn from(e: nostr::serde_json::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr::event::id::Error> for NostrSdkError {
-    fn from(e: nostr::event::id::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<AddrParseError> for NostrSdkError {
-    fn from(e: AddrParseError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<SetGlobalDefaultError> for NostrSdkError {
-    fn from(e: SetGlobalDefaultError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr_sdk::client::Error> for NostrSdkError {
-    fn from(e: nostr_sdk::client::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr_sdk::pool::relay::Error> for NostrSdkError {
-    fn from(e: nostr_sdk::pool::relay::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr_sdk::pool::pool::Error> for NostrSdkError {
-    fn from(e: nostr_sdk::pool::pool::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr_sdk::prelude::DatabaseError> for NostrSdkError {
-    fn from(e: nostr_sdk::prelude::DatabaseError) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr_connect::error::Error> for NostrSdkError {
-    fn from(e: nostr_connect::error::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr_sdk::nwc::Error> for NostrSdkError {
-    fn from(e: nostr_sdk::nwc::Error) -> NostrSdkError {
-        Self::Generic(e.to_string())
-    }
-}
-
-impl From<nostr_relay_builder::error::Error> for NostrSdkError {
-    fn from(e: nostr_relay_builder::error::Error) -> NostrSdkError {
+impl<T> From<T> for NostrSdkError
+where
+    T: std::error::Error,
+{
+    fn from(e: T) -> NostrSdkError {
         Self::Generic(e.to_string())
     }
 }
diff --git a/bindings/nostr-sdk-ffi/src/protocol/signer/custom.rs b/bindings/nostr-sdk-ffi/src/protocol/signer/custom.rs
index a82bbecc3..cb7960577 100644
--- a/bindings/nostr-sdk-ffi/src/protocol/signer/custom.rs
+++ b/bindings/nostr-sdk-ffi/src/protocol/signer/custom.rs
@@ -50,6 +50,7 @@ impl fmt::Debug for IntermediateCustomNostrSigner {
 }
 
 mod inner {
+    use std::fmt;
     use std::ops::Deref;
     use std::sync::Arc;
 
@@ -57,7 +58,17 @@ mod inner {
     use nostr::prelude::*;
 
     use super::IntermediateCustomNostrSigner;
-    use crate::error::NostrSdkError;
+
+    #[derive(Debug)]
+    struct Error(String);
+
+    impl std::error::Error for Error {}
+
+    impl fmt::Display for Error {
+        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+            write!(f, "{}", self.0)
+        }
+    }
 
     #[async_trait]
     impl NostrSigner for IntermediateCustomNostrSigner {
@@ -70,11 +81,9 @@ mod inner {
                 .inner
                 .get_public_key()
                 .await
-                .map_err(SignerError::backend)?
+                .map_err(|e| SignerError::backend(Error(e.to_string())))?
                 .ok_or_else(|| {
-                    SignerError::backend(NostrSdkError::Generic(String::from(
-                        "Received None instead of public key",
-                    )))
+                    SignerError::backend(Error(String::from("Received None instead of public key")))
                 })?;
             Ok(**public_key)
         }
@@ -85,11 +94,9 @@ mod inner {
                 .inner
                 .sign_event(unsigned)
                 .await
-                .map_err(SignerError::backend)?
+                .map_err(|e| SignerError::backend(Error(e.to_string())))?
                 .ok_or_else(|| {
-                    SignerError::backend(NostrSdkError::Generic(String::from(
-                        "Received None instead of event",
-                    )))
+                    SignerError::backend(Error(String::from("Received None instead of event")))
                 })?;
             Ok(event.as_ref().deref().clone())
         }
@@ -103,7 +110,7 @@ mod inner {
             self.inner
                 .nip04_encrypt(public_key, content.to_string())
                 .await
-                .map_err(SignerError::backend)
+                .map_err(|e| SignerError::backend(Error(e.to_string())))
         }
 
         async fn nip04_decrypt(
@@ -115,7 +122,7 @@ mod inner {
             self.inner
                 .nip04_decrypt(public_key, encrypted_content.to_string())
                 .await
-                .map_err(SignerError::backend)
+                .map_err(|e| SignerError::backend(Error(e.to_string())))
         }
 
         async fn nip44_encrypt(
@@ -127,7 +134,7 @@ mod inner {
             self.inner
                 .nip44_encrypt(public_key, content.to_string())
                 .await
-                .map_err(SignerError::backend)
+                .map_err(|e| SignerError::backend(Error(e.to_string())))
         }
 
         async fn nip44_decrypt(
@@ -139,7 +146,7 @@ mod inner {
             self.inner
                 .nip44_decrypt(public_key, payload.to_string())
                 .await
-                .map_err(SignerError::backend)
+                .map_err(|e| SignerError::backend(Error(e.to_string())))
         }
     }
 }