diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3086523b..006b32b3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -9,7 +9,6 @@ on:
   push:
     branches:
       - main
-      - master
     tags:
       - '*'
   pull_request:
diff --git a/.github/workflows/iroha2-pr.yml b/.github/workflows/iroha2-pr.yml
index a85e9029..126a5a34 100644
--- a/.github/workflows/iroha2-pr.yml
+++ b/.github/workflows/iroha2-pr.yml
@@ -1,7 +1,7 @@
 name: Iroha 2 pull request workflow
 on:
   pull_request:
-    branches: [iroha2]
+    branches: [main]
 
 jobs:
   check:
diff --git a/.github/workflows/iroha2.yml b/.github/workflows/iroha2.yml
index 12df0796..89d2c581 100644
--- a/.github/workflows/iroha2.yml
+++ b/.github/workflows/iroha2.yml
@@ -1,7 +1,7 @@
 name: Iroha 2 main branch workflow
 on:
   push:
-    branches: [iroha2]
+    branches: [main]
 
 jobs:
   build: