diff --git a/SLS_C/tests/tests.c b/SLS_C/tests/tests.c
index 32fef20..1f6477a 100644
--- a/SLS_C/tests/tests.c
+++ b/SLS_C/tests/tests.c
@@ -10,6 +10,8 @@
 #include "sls/errors.h"
 #include "tests/tests.h"
 
+static const Boolean PRINT_SUCCESSFUL_TESTS = FALSE;
+
 const SlsStr TEST_FILE_NAME = SLS_STR("TEST_FILE.SLS");
 
 typedef struct {
@@ -50,7 +52,8 @@ static void test_report(TestsReport reports, TestCounts *counts) {
             break;
         case TEST_PASS:
             // Green
-            printf("\x1b[32mTest passed: %s\n\x1b[0m", reports.tests[i].name.str);
+            if (PRINT_SUCCESSFUL_TESTS)
+                printf("\x1b[32mTest passed: %s\n\x1b[0m", reports.tests[i].name.str);
             counts->passed += 1;
             break;
         case TEST_NOT_IMPLEMENTED: