diff --git a/du4/program.c b/du4/program.c
index 9f42328..6509e5d 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -67,7 +67,6 @@ int main() {
             // Round result and compare to expected value
             float expected;
             if (sscanf(start, "%f", &expected) != 1) {
-                printf("KONIEC\n");
                 continue;
             }
             expected = round(expected * 100) / 100;