diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0416cf17de..dd0b8b064f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -163,7 +163,9 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        platform: [windows-latest, ubuntu-20.04]
+        # disabled mac due to problems with merging coverage and similarity to linux
+        # disabled windows due to running out of disk space when having too many crates or tests
+        platform: [ubuntu-20.04] # windows-latest
         rust:
           - stable
 
diff --git a/codecov.yml b/codecov.yml
index 0eee23c07f..fb4d7da234 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -13,5 +13,5 @@ comment:
   behavior: default
   require_base: yes
   require_head: yes
-  after_n_builds: 2
+  after_n_builds: 1 # Disabled windows else: 2