diff --git a/sdk/program/src/stake/state.rs b/sdk/program/src/stake/state.rs
index 7bf9ea696c91cb..e2ebb8a13cfdee 100644
--- a/sdk/program/src/stake/state.rs
+++ b/sdk/program/src/stake/state.rs
@@ -878,7 +878,6 @@ impl borsh0_10::BorshSchema for Delegation {
         <Pubkey as borsh0_10::BorshSchema>::add_definitions_recursively(definitions);
         <u64 as borsh0_10::BorshSchema>::add_definitions_recursively(definitions);
         <Epoch as borsh0_10::BorshSchema>::add_definitions_recursively(definitions);
-        <Epoch as borsh0_10::BorshSchema>::add_definitions_recursively(definitions);
         <f64 as borsh0_10::BorshSchema>::add_definitions_recursively(definitions);
     }
 }