diff --git a/ethers-core/src/types/log.rs b/ethers-core/src/types/log.rs
index 934ef466..dd70fa79 100644
--- a/ethers-core/src/types/log.rs
+++ b/ethers-core/src/types/log.rs
@@ -65,6 +65,15 @@ pub struct Log {
     pub removed: Option<bool>,
 }
 
+impl rlp::Encodable for Log {
+    fn rlp_append(&self, s: &mut rlp::RlpStream) {
+        s.begin_list(3);
+        s.append(&self.address);
+        s.append_list(&self.topics);
+        s.append(&self.data.0);
+    }
+}
+
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum FilterBlockOption {
     Range { from_block: Option<BlockNumber>, to_block: Option<BlockNumber> },
diff --git a/ethers-core/src/types/transaction/response.rs b/ethers-core/src/types/transaction/response.rs
index 1c4fc76c..2968dc71 100644
--- a/ethers-core/src/types/transaction/response.rs
+++ b/ethers-core/src/types/transaction/response.rs
@@ -414,6 +414,16 @@ pub struct TransactionReceipt {
     pub effective_gas_price: Option<U256>,
 }
 
+impl rlp::Encodable for TransactionReceipt {
+    fn rlp_append(&self, s: &mut RlpStream) {
+        s.begin_list(4);
+        s.append(&self.status);
+        s.append(&self.cumulative_gas_used);
+        s.append(&self.logs_bloom);
+        s.append_list(&self.logs);
+    }
+}
+
 #[cfg(test)]
 #[cfg(not(feature = "celo"))]
 mod tests {