diff --git a/crates/ruma-client-api/src/r0/backup.rs b/crates/ruma-client-api/src/r0/backup.rs
index 373f2330..13a72023 100644
--- a/crates/ruma-client-api/src/r0/backup.rs
+++ b/crates/ruma-client-api/src/r0/backup.rs
@@ -77,7 +77,7 @@ pub struct KeyBackupData {
 ///
 /// This struct will not be updated even if additional fields are added to `SessionData` in a
 /// new (non-breaking) release of the Matrix specification.
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Debug)]
 #[allow(clippy::exhaustive_structs)]
 pub struct KeyBackupDataInit {
     /// The index of the first message in the session that the key can decrypt.
@@ -122,7 +122,7 @@ pub struct SessionData {
 ///
 /// This struct will not be updated even if additional fields are added to `SessionData` in a
 /// new (non-breaking) release of the Matrix specification.
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Debug)]
 #[allow(clippy::exhaustive_structs)]
 pub struct SessionDataInit {
     /// Unpadded base64-encoded public half of the ephemeral key.
diff --git a/crates/ruma-events/src/key/verification/accept.rs b/crates/ruma-events/src/key/verification/accept.rs
index 26ba31ea..7eae9526 100644
--- a/crates/ruma-events/src/key/verification/accept.rs
+++ b/crates/ruma-events/src/key/verification/accept.rs
@@ -124,7 +124,7 @@ pub struct SasV1Content {
 }
 
 /// Mandatory initial set of fields for creating an accept `SasV1Content`.
-#[derive(Clone, Debug, Deserialize)]
+#[derive(Debug)]
 #[allow(clippy::exhaustive_structs)]
 pub struct SasV1ContentInit {
     /// The key agreement protocol the device is choosing to use, out of the
diff --git a/crates/ruma-events/src/key/verification/start.rs b/crates/ruma-events/src/key/verification/start.rs
index 4eb47dc7..061bc700 100644
--- a/crates/ruma-events/src/key/verification/start.rs
+++ b/crates/ruma-events/src/key/verification/start.rs
@@ -158,7 +158,7 @@ pub struct SasV1Content {
 }
 
 /// Mandatory initial set of fields for creating an `SasV1Content`.
-#[derive(Clone, Debug, Deserialize)]
+#[derive(Debug)]
 #[allow(clippy::exhaustive_structs)]
 pub struct SasV1ContentInit {
     /// The key agreement protocols the sending device understands.
diff --git a/crates/ruma-events/src/room/encrypted.rs b/crates/ruma-events/src/room/encrypted.rs
index d3858bb7..ced934d0 100644
--- a/crates/ruma-events/src/room/encrypted.rs
+++ b/crates/ruma-events/src/room/encrypted.rs
@@ -210,7 +210,7 @@ pub struct MegolmV1AesSha2Content {
 ///
 /// This struct will not be updated even if additional fields are added to `MegolmV1AesSha2Content`
 /// in a new (non-breaking) release of the Matrix specification.
-#[derive(Clone, Debug)]
+#[derive(Debug)]
 #[allow(clippy::exhaustive_structs)]
 pub struct MegolmV1AesSha2ContentInit {
     /// The encrypted content of the event.