diff --git a/.github/workflows/__cleanup-db-cluster-dir.yml b/.github/workflows/__cleanup-db-cluster-dir.yml
index 3383f4d43..063e38d6b 100644
--- a/.github/workflows/__cleanup-db-cluster-dir.yml
+++ b/.github/workflows/__cleanup-db-cluster-dir.yml
@@ -54,7 +54,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
-          setup-kotlin: 'true'
+          setup-kotlin: 'false'
       - name: Add a file to the database cluster directory
         run: |
           mkdir -p "${{ runner.temp }}/customDbLocation/javascript"
diff --git a/.github/workflows/__config-input.yml b/.github/workflows/__config-input.yml
index a6f2d2bcb..f42672352 100644
--- a/.github/workflows/__config-input.yml
+++ b/.github/workflows/__config-input.yml
@@ -61,7 +61,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
-          setup-kotlin: 'true'
+          setup-kotlin: 'false'
       - name: Copy queries into workspace
         run: |
           cp -a ../action/queries .
diff --git a/.github/workflows/__language-aliases.yml b/.github/workflows/__language-aliases.yml
index 92c130dfa..7f8b2adf7 100644
--- a/.github/workflows/__language-aliases.yml
+++ b/.github/workflows/__language-aliases.yml
@@ -54,7 +54,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
-          setup-kotlin: 'true'
+          setup-kotlin: 'false'
       - uses: ./../action/init
         with:
           languages: C#,java-kotlin,swift,typescript
diff --git a/pr-checks/sync.py b/pr-checks/sync.py
index a8ccf817a..a0e25aef3 100755
--- a/pr-checks/sync.py
+++ b/pr-checks/sync.py
@@ -98,6 +98,12 @@ for file in sorted((this_dir / 'checks').glob('*.yml')):
         if checkSpecification.get('useAllPlatformBundle'):
             useAllPlatformBundle = checkSpecification['useAllPlatformBundle']
 
+    # Store the runner size for use in prepare-test step
+    # This is determined once per check specification
+    finalRunnerSize = checkSpecification.get('runnerSize', 'default')
+    if finalRunnerSize == 'default':
+        finalRunnerSize = 'latest'
+
 
     if 'analysisKinds' in checkSpecification:
         newMatrix = []
@@ -142,9 +148,10 @@ for file in sorted((this_dir / 'checks').glob('*.yml')):
         'with': {
             'version': '${{ matrix.version }}',
             'use-all-platform-bundle': useAllPlatformBundle,
-            # If the action is being run from a container, then do not setup kotlin.
-            # This is because the kotlin binaries cannot be downloaded from the container.
-            'setup-kotlin': str(not 'container' in checkSpecification).lower(),
+            # If the action is being run from a container or on a slim runner, then do not setup kotlin.
+            # Containers: kotlin binaries cannot be downloaded from the container.
+            # Slim runners: limited resources may cause issues with Kotlin setup.
+            'setup-kotlin': str(not 'container' in checkSpecification and finalRunnerSize != 'slim').lower(),
         }
     })