diff --git a/.github/workflows/lint-phpstan.yml b/.github/workflows/lint-phpstan.yml
index 546cda5..9cf8ab2 100644
--- a/.github/workflows/lint-phpstan.yml
+++ b/.github/workflows/lint-phpstan.yml
@@ -37,11 +37,6 @@ jobs:
         if: ${{ matrix.dependencies == 'highest' }}
         run: "composer update --no-interaction --no-progress --no-suggest"
 
-      - name: "Install b24phpsdk from source"
-        run: |
-          composer remove bitrix24/b24phpsdk --no-update
-          composer require bitrix24/b24phpsdk --prefer-source --no-cache --ansi --no-interaction --no-progress
-
       - name: "PHPStan"
         run: "vendor/bin/phpstan --memory-limit=2G analyse"
 
diff --git a/.github/workflows/tests-functional.yml b/.github/workflows/tests-functional.yml
index 411b0d4..244ba73 100644
--- a/.github/workflows/tests-functional.yml
+++ b/.github/workflows/tests-functional.yml
@@ -58,11 +58,6 @@ jobs:
         run: |
           composer update ${{ env.COMPOSER_FLAGS }}
 
-      - name: "Install b24phpsdk from source"
-        run: |
-          composer remove bitrix24/b24phpsdk --no-update
-          composer require bitrix24/b24phpsdk --prefer-source --no-cache --ansi --no-interaction --no-progress        
-
       - name: "Wait for PostgreSQL to be ready"
         run: |
             until pg_isready -h localhost -p 5432 -U user; do
diff --git a/.github/workflows/tests-unit.yml b/.github/workflows/tests-unit.yml
index 135c109..91ada7d 100644
--- a/.github/workflows/tests-unit.yml
+++ b/.github/workflows/tests-unit.yml
@@ -35,12 +35,6 @@ jobs:
       - name: "Install dependencies"
         run: |
           composer update ${{ env.COMPOSER_FLAGS }}
-          composer update bitrix24/b24phpsdk --prefer-source --no-cache
-
-      - name: "Install b24phpsdk from source"
-        run: |
-          composer remove bitrix24/b24phpsdk --no-update
-          composer require bitrix24/b24phpsdk --prefer-source --no-cache --ansi --no-interaction --no-progress
 
       - name: "run unit tests"
         run: "php vendor/bin/phpunit --testsuite=unit_tests --display-warnings --testdox"