diff --git a/boot/bootutil/src/loader.c b/boot/bootutil/src/loader.c
index 36ea754..6dee299 100644
--- a/boot/bootutil/src/loader.c
+++ b/boot/bootutil/src/loader.c
@@ -538,8 +538,10 @@
              * continue booting from the primary slot.
              */
         }
+#if !defined(__BOOTSIM__)
         BOOT_LOG_ERR("Image in the %s slot is not valid!",
                      (slot == BOOT_PRIMARY_SLOT) ? "primary" : "secondary");
+#endif
         rc = -1;
         goto out;
     }
diff --git a/boot/bootutil/src/swap_move.c b/boot/bootutil/src/swap_move.c
index ab17b70..ed21774 100644
--- a/boot/bootutil/src/swap_move.c
+++ b/boot/bootutil/src/swap_move.c
@@ -162,7 +162,9 @@
         /* This means there was an error writing status on the last
          * swap. Tell user and move on to validation!
          */
+#if !defined(__BOOTSIM__)
         BOOT_LOG_ERR("Detected inconsistent status!");
+#endif
 
 #if !defined(MCUBOOT_VALIDATE_PRIMARY_SLOT)
         /* With validation of the primary slot disabled, there is no way
diff --git a/boot/bootutil/src/swap_scratch.c b/boot/bootutil/src/swap_scratch.c
index 588bd28..8dc7ce0 100644
--- a/boot/bootutil/src/swap_scratch.c
+++ b/boot/bootutil/src/swap_scratch.c
@@ -130,7 +130,9 @@
         /* This means there was an error writing status on the last
          * swap. Tell user and move on to validation!
          */
+#if !defined(__BOOTSIM__)
         BOOT_LOG_ERR("Detected inconsistent status!");
+#endif
 
 #if !defined(MCUBOOT_VALIDATE_PRIMARY_SLOT)
         /* With validation of the primary slot disabled, there is no way