diff --git a/examples/foc/foc_fixed16_thr.c b/examples/foc/foc_fixed16_thr.c
index a32cfd562..c2c161433 100644
--- a/examples/foc/foc_fixed16_thr.c
+++ b/examples/foc/foc_fixed16_thr.c
@@ -185,9 +185,10 @@ int foc_fixed16_thr(FAR struct foc_ctrl_env_s *envp)
   struct foc_mq_s         handle;
   struct foc_motor_b16_s  motor;
   struct foc_device_s     dev;
-  int                     time      = 0;
-  int                     ret       = OK;
+  int                     time = 0;
+  int                     ret  = OK;
 
+  UNUSED(time);
   DEBUGASSERT(envp);
 
   PRINTFV("foc_fixed_thr, id=%d\n", envp->id);
diff --git a/examples/foc/foc_float_thr.c b/examples/foc/foc_float_thr.c
index 30395e269..dcab5de2f 100644
--- a/examples/foc/foc_float_thr.c
+++ b/examples/foc/foc_float_thr.c
@@ -186,9 +186,10 @@ int foc_float_thr(FAR struct foc_ctrl_env_s *envp)
   struct foc_mq_s         handle;
   struct foc_motor_f32_s  motor;
   struct foc_device_s     dev;
-  int                     time      = 0;
-  int                     ret       = OK;
+  int                     time = 0;
+  int                     ret  = OK;
 
+  UNUSED(time);
   DEBUGASSERT(envp);
 
   PRINTFV("foc_float_thr, id=%d\n", envp->id);