diff --git a/components/freertos/test/test_freertos_scheduling_time.c b/components/freertos/test/test_freertos_scheduling_time.c
index 7e3a783684..515cc01ac2 100644
--- a/components/freertos/test/test_freertos_scheduling_time.c
+++ b/components/freertos/test/test_freertos_scheduling_time.c
@@ -67,5 +67,5 @@ TEST_CASE("scheduling time test", "[freertos]")
 
     BaseType_t result = xSemaphoreTake(context.end_sema, portMAX_DELAY);    
     TEST_ASSERT_EQUAL_HEX32(pdTRUE, result);
-    TEST_PERFORMANCE_LESS_THAN(SCHEDULING_TIME , "scheduling time %d cycles" ,context.cycles_to_sched);
-}
\ No newline at end of file
+    TEST_PERFORMANCE_LESS_THAN(SCHEDULING_TIME , "%d cycles" ,context.cycles_to_sched);
+}
diff --git a/components/mbedtls/test/test_rsa.c b/components/mbedtls/test/test_rsa.c
index d9c9851414..c55901b6e2 100644
--- a/components/mbedtls/test/test_rsa.c
+++ b/components/mbedtls/test/test_rsa.c
@@ -366,11 +366,11 @@ static void rsa_key_operations(int keysize, bool check_performance, bool use_bli
     private_perf = ccomp_timer_stop();
 
     if (check_performance && keysize == 2048) {
-        TEST_PERFORMANCE_LESS_THAN(RSA_2048KEY_PUBLIC_OP, "public operations %d us", public_perf);
-        TEST_PERFORMANCE_LESS_THAN(RSA_2048KEY_PRIVATE_OP, "private operations %d us", private_perf);
+        TEST_PERFORMANCE_LESS_THAN(RSA_2048KEY_PUBLIC_OP, "%d us", public_perf);
+        TEST_PERFORMANCE_LESS_THAN(RSA_2048KEY_PRIVATE_OP, "%d us", private_perf);
     } else if (check_performance && keysize == 4096) {
-        TEST_PERFORMANCE_LESS_THAN(RSA_4096KEY_PUBLIC_OP, "public operations %d us", public_perf);
-        TEST_PERFORMANCE_LESS_THAN(RSA_4096KEY_PRIVATE_OP, "private operations %d us", private_perf);
+        TEST_PERFORMANCE_LESS_THAN(RSA_4096KEY_PUBLIC_OP, "%d us", public_perf);
+        TEST_PERFORMANCE_LESS_THAN(RSA_4096KEY_PRIVATE_OP, "%d us", private_perf);
     }
 
     TEST_ASSERT_EQUAL_MEMORY_MESSAGE(orig_buf, decrypted_buf, keysize / 8, "RSA operation");
@@ -378,4 +378,4 @@ static void rsa_key_operations(int keysize, bool check_performance, bool use_bli
     mbedtls_rsa_free(&rsa);
 }
 
-#endif // CONFIG_MBEDTLS_HARDWARE_MPI
\ No newline at end of file
+#endif // CONFIG_MBEDTLS_HARDWARE_MPI