diff --git a/src/search.cpp b/src/search.cpp
index bd7c8b47..e47657fd 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1367,6 +1367,7 @@ namespace {
           break;
 
       // Uncomment to debug sp_search() in single thread mode
+      /*
       if (   bestValue < beta
           && depth >= 4
           && Iteration <= 99
@@ -1375,6 +1376,7 @@ namespace {
           && TM.split<true>(pos, ss, ply, &alpha, beta, &bestValue,
                       depth, mateThreat, &moveCount, &mp, threadID, PvNode))
           break;
+      */
     }
 
     // Step 19. Check for mate and stalemate