diff --git a/ci/build-canton-3x.sh b/ci/build-canton-3x.sh
index 57c065ed10..191efa7c46 100755
--- a/ci/build-canton-3x.sh
+++ b/ci/build-canton-3x.sh
@@ -19,14 +19,30 @@ git clone --depth 1 --branch main $repo_url $tmp
 head=$(git -C $tmp rev-parse HEAD)
 echo "cloned at revision $head"
 
-for path in community daml-common-staging; do
-  src=$tmp/$path
-  dst=canton-3x/$path
-  rm -rf $dst
-  mkdir -p $(dirname $dst)
-  cp -rf $src $dst
-  git add $dst
-done
+daml_common_staging_src="$tmp/daml-common-staging"
+community_src="$tmp/community"
+
+daml_common_staging_dst="canton-3x/daml-common-staging"
+community_dst="canton-3x/community"
+
+# Clean-up existing dirs
+rm -rf $daml_common_staging_dst $community_dst
+
+# Copy files from the cloned Canton repo /community and exclude symlinks to Daml sources
+rsync -a \
+  --exclude="$community_src/participant/src/main/resources/ledger-api/VERSION" \
+  --exclude="$community_src/lib/daml-copy-testing/sample-service-test-symlink/scala/com" \
+  --exclude="$community_src/lib/daml-copy-testing/rs-grpc-pekko-test-symlink/scala/com" \
+  --exclude="$community_src/lib/daml-copy-protobuf-java/protobuf-daml-symlinks/transaction/com" \
+  --exclude="$community_src/lib/daml-copy-protobuf-java/protobuf-daml-symlinks/archive/com" \
+  --exclude="$community_src/lib/daml-copy-testing-0/rs-grpc-bridge-test-symlink/java/com" \
+  --exclude="$community_src/lib/daml-copy-testing-0/ledger-resources-test-symlink/scala/com" \
+  --exclude="$community_src/lib/daml-copy-testing-0/protobuf-daml-symlinks/ledger-api-sample-service/hello.proto" \
+  --exclude="$community_src/lib/daml-copy-testing-0/observability-metrics-test-symlink/scala/com" \
+  --exclude="$community_src/lib/daml-copy-testing-0/observability-tracing-test-symlink/scala/com" \
+  $community_src canton-3x
+
+rsync -a $daml_common_staging_src canton-3x
 
 sed -i 's/canton-3x\///' .bazelignore
 bazel build //canton-3x/...