diff --git a/ci/core.yml b/ci/core.yml
index 04a19f9815..1282e3e55d 100644
--- a/ci/core.yml
+++ b/ci/core.yml
@@ -13,7 +13,7 @@ build core firmware:
     - pipenv run make build_bootloader
     - pipenv run make build_prodtest
     - pipenv run make build_firmware
-    # - test "$TREZOR_MODEL" = "1" || pipenv run make sizecheck
+    - pipenv run make sizecheck
   artifacts:
     name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
     paths:
diff --git a/ci/legacy.yml b/ci/legacy.yml
index 849b4e1710..3d7b0d2698 100644
--- a/ci/legacy.yml
+++ b/ci/legacy.yml
@@ -4,6 +4,7 @@ variables:
   SDL_VIDEODRIVER: "dummy"
   XDG_RUNTIME_DIR: "/var/tmp"
 
+# TODO: add clang https://github.com/trezor/trezor-firmware/issues/44
 build legacy firmware:
   stage: build
   script:
@@ -41,7 +42,6 @@ build legacy emu:
     untracked: true
     expire_in: 1 day
 
-# TODO: aren't some tests from .travis.yml missing?
 test legacy emu:
   stage: test
   dependencies: