diff --git a/src/prediction/dictionary_prediction_aggregator.cc b/src/prediction/dictionary_prediction_aggregator.cc
index efee47c60..95130f522 100644
--- a/src/prediction/dictionary_prediction_aggregator.cc
+++ b/src/prediction/dictionary_prediction_aggregator.cc
@@ -41,7 +41,6 @@
 #include <utility>
 #include <vector>
 
-#include "ngram/neg_log_prob.h"
 #include "absl/log/check.h"
 #include "absl/log/log.h"
 #include "absl/strings/match.h"