diff --git a/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp b/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp
index 4ff31ba0a..b502fe25d 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp
@@ -92,7 +92,6 @@ const ForgettingCurveUtils::ProbabilityTable ForgettingCurveUtils::sProbabilityT
 }
 
 /* static */ int ForgettingCurveUtils::decodeProbability(const int encodedProbability) {
-    const int probability = encodedProbability - MIN_VALID_ENCODED_PROBABILITY;
     if (encodedProbability < MIN_VALID_ENCODED_PROBABILITY) {
         return NOT_A_PROBABILITY;
     } else {