diff --git a/examples/perplexity/perplexity.cpp b/examples/perplexity/perplexity.cpp
index 8825149c8..c23eaefab 100644
--- a/examples/perplexity/perplexity.cpp
+++ b/examples/perplexity/perplexity.cpp
@@ -1119,6 +1119,7 @@ static void truthful_qa_score(llama_context * ctx, const gpt_params & params) {
         printf("%s: selecting %zu random tasks from %u tasks available\n", __func__, params.thruthful_qa_tasks, n_task);
         std::mt19937 rng(1);
         std::vector<int> aux(n_task);
+        for (uint32_t i = 0; i < n_task; ++i) aux[i] = i;
         float scale = 1.f/(1.f + (float)std::mt19937::max());
         tasks.resize(params.thruthful_qa_tasks);
         for (auto& task : tasks) {
@@ -1310,26 +1311,11 @@ static void truthful_qa_score(llama_context * ctx, const gpt_params & params) {
             for (int s = 0; s < int(cur_task.seq_tokens.size()); ++s) {
                 size_t count = 1;
                 float  log_prob  = std::log(first_probs[cur_task.seq_tokens[s][cur_task.common_prefix]]);
-                //printf("    <%s> : %g\n", cur_task.mc1.answers[s].c_str(), log_prob);
-                //for (size_t j = cur_task.common_prefix; j < cur_task.seq_tokens[s].size() - 1; j++) {
-                //    printf("        %zu  %g\n", ir, eval_results[ir]);
-                //    ++count;
-                //    log_prob += eval_results[ir++];
-                //}
-                //size_t count = 0;
-                //float  log_prob = 0;
-                //printf("    <%s>\n", cur_task.mc1.answers[s].c_str());
-                //float  log_prob  = std::log(first_probs[cur_task.seq_tokens[s][cur_task.common_prefix]]);
-                //printf("    <%s> : %g\n", cur_task.mc1.answers[s].c_str(), log_prob);
                 for (size_t j = cur_task.common_prefix; j < cur_task.seq_tokens[s].size() - 1; j++) {
                     //printf("        %zu  %g\n", ir, eval_results[ir]);
                     ++count;
                     log_prob += eval_results[ir++];
                 }
-                //if (!count) {
-                //    ++count;
-                //    log_prob += std::log(first_probs[cur_task.seq_tokens[s][cur_task.common_prefix]]);
-                //}
                 cur_task.log_probs[s] = log_prob / count;
                 //printf("        Final: %g\n", log_prob / count);
                 //printf("    <%s> : %g\n", cur_task.mc1.answers[s].c_str(), log_prob/count);