diff --git a/synth.py b/synth.py
index 02ed0e05ef8..c545539f8bb 100644
--- a/synth.py
+++ b/synth.py
@@ -78,5 +78,10 @@
 java.common_templates(excludes=[
     '.kokoro/continuous/common.cfg',
     '.kokoro/nightly/common.cfg',
+    '.kokoro/nightly/samples.cfg',
     '.kokoro/presubmit/common.cfg',
+    '.kokoro/presubmit/samples.cfg',
+    'samples/install-without-bom/pom.xml',
+    'samples/snapshot/pom.xml',
+    'samples/snippets/pom.xml',
 ])