diff --git a/build_library/base_image_util.sh b/build_library/base_image_util.sh
index 4f8bc44081..c69321b25f 100755
--- a/build_library/base_image_util.sh
+++ b/build_library/base_image_util.sh
@@ -276,9 +276,9 @@ create_base_image() {
     USE_DEV_KEYS="--use_dev_keys"
   fi
 
-  # Place flags before positional args.
-  ${SCRIPTS_DIR}/bin/cros_make_image_bootable "${BUILD_DIR}" \
-                                              ${image_name} \
-                                              ${USE_DEV_KEYS} \
-                                           --adjust_part="${FLAGS_adjust_part}"
+  if [[ ${skip_kernelblock_install} -ne 1 ]]; then
+    # Place flags before positional args.
+    ${SCRIPTS_DIR}/bin/cros_make_image_bootable "${BUILD_DIR}" \
+      ${image_name} ${USE_DEV_KEYS} --adjust_part="${FLAGS_adjust_part}"
+  fi
 }
diff --git a/build_library/dev_image_util.sh b/build_library/dev_image_util.sh
index 1e9f1c1e5f..5146be4d86 100755
--- a/build_library/dev_image_util.sh
+++ b/build_library/dev_image_util.sh
@@ -109,9 +109,10 @@ EOF
   cleanup_mounts
   trap - EXIT
 
-  if should_build_image ${image_name}; then
-    ${SCRIPTS_DIR}/bin/cros_make_image_bootable "${BUILD_DIR}" \
-                                                ${image_name} \
-                                                --force_developer_mode
+  if [[ ${skip_kernelblock_install} -ne 1 ]]; then
+    if should_build_image ${image_name}; then
+      ${SCRIPTS_DIR}/bin/cros_make_image_bootable "${BUILD_DIR}" \
+        ${image_name} --force_developer_mode
+    fi
   fi
 }
diff --git a/build_library/test_image_util.sh b/build_library/test_image_util.sh
index a83588a83f..30a071b919 100755
--- a/build_library/test_image_util.sh
+++ b/build_library/test_image_util.sh
@@ -81,10 +81,11 @@ mod_image_for_test () {
   cleanup_mounts
   trap - EXIT
 
-  # Now make it bootable with the flags from build_image.
-  if should_build_image ${image_name}; then
-    "${SCRIPTS_DIR}/bin/cros_make_image_bootable" "${BUILD_DIR}" \
-                                                  ${image_name} \
-                                                 --force_developer_mode
+  if [[ ${skip_kernelblock_install} -ne 1 ]]; then
+    # Now make it bootable with the flags from build_image.
+    if should_build_image ${image_name}; then
+      "${SCRIPTS_DIR}/bin/cros_make_image_bootable" "${BUILD_DIR}" \
+         ${image_name} --force_developer_mode
+    fi
   fi
 }