diff --git a/sys/shell/commands/Makefile b/sys/shell/commands/Makefile
index 38104f7efc..d279ecb3a4 100644
--- a/sys/shell/commands/Makefile
+++ b/sys/shell/commands/Makefile
@@ -96,10 +96,6 @@ ifneq (,$(filter nimble_netif,$(USEMODULE)))
   SRC += sc_nimble_netif.c
 endif
 
-ifneq (,$(filter test_utils_interactive_sync,$(USEMODULE)))
-  SRC += sc_interactive_sync.c
-endif
-
 ifneq (,$(filter suit_coap,$(USEMODULE)))
   SRC += sc_suit.c
 endif
diff --git a/sys/shell/commands/sc_interactive_sync.c b/sys/shell/commands/sc_interactive_sync.c
deleted file mode 100644
index 31f46200e4..0000000000
--- a/sys/shell/commands/sc_interactive_sync.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2019 Inria
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @ingroup     sys_shell_commands
- * @{
- *
- * @file
- * @brief       Shell commands interactive sync util
- *
- * @author      Francisco Molina <francois-xavier.molina@inria.fr>
- * @}
- */
-
-#include <stdio.h>
-#include "test_utils/interactive_sync.h"
-
-#if defined(__AVR__)
-#include <avr/pgmspace.h>
-/* For small AVR targets the extra strings generated by test interactive
-   can make the application overflow the .data section (RAM), we use puts_P()
-   to write those constant string to .txt section (FLASH)*/
-#define PUTS(_s)                       puts_P(PSTR(_s))
-#else
-#define PUTS(_s)                       puts(_s)
-#endif
-
-int _test_start(int argc, char **argv)
-{
-    (void) argc;
-    (void) argv;
-    PUTS("START");
-
-    return 0;
-}
-
-
-int _test_ready(int argc, char **argv)
-{
-    (void) argc;
-    (void) argv;
-    PUTS("READY");
-    return 0;
-}
diff --git a/sys/shell/commands/shell_commands.c b/sys/shell/commands/shell_commands.c
index 87b2483b2d..6655d89bce 100644
--- a/sys/shell/commands/shell_commands.c
+++ b/sys/shell/commands/shell_commands.c
@@ -159,11 +159,6 @@ extern int _loramac_handler(int argc, char **argv);
 extern int _nimble_netif_handler(int argc, char **argv);
 #endif
 
-#ifdef MODULE_TEST_UTILS_INTERACTIVE_SYNC
-extern int _test_start(int argc, char **argv);
-extern int _test_ready(int argc, char **argv);
-#endif
-
 #ifdef MODULE_SUIT_COAP
 extern int _suit_handler(int argc, char **argv);
 #endif
@@ -275,10 +270,6 @@ const shell_command_t _shell_command_list[] = {
 #ifdef MODULE_NIMBLE_NETIF
     { "ble", "Manage BLE connections for NimBLE", _nimble_netif_handler },
 #endif
-#ifdef MODULE_TEST_UTILS_INTERACTIVE_SYNC
-    { "r", "Test sync, Ready query", _test_ready },
-    { "s", "Test sync, Start test trigger", _test_start },
-#endif
 #ifdef MODULE_SUIT_COAP
     { "suit", "Trigger a SUIT firmware update", _suit_handler },
 #endif