diff --git a/info0939/insertionsort.c b/info0939/insertionsort.c
index 4fbbf1ee788d731da875647f79408b0e82b9b413..c479a39c33ed4d49e5f62b8a4a7896039f281dc6 100644
--- a/info0939/insertionsort.c
+++ b/info0939/insertionsort.c
@@ -16,7 +16,6 @@ insertionsort(int *a, size_t N)
         uint32_t i = j - 1;
         while (i >= 0 && a[i] > key)
         {
-            printf("%lu %lu\n", j, i);
             a[i+1] = a[i];
             i = i-1;
         }