diff --git a/.github/workflows/snippet-deletes.yml b/.github/workflows/snippet-deletes.yml
new file mode 100644
index 00000000..7f1b99ac
--- /dev/null
+++ b/.github/workflows/snippet-deletes.yml
@@ -0,0 +1,14 @@
+on: pull_request
+
+name: Check for snippet deletes
+jobs:
+  deletes-check:
+    name: deletes-check
+    runs-on: macOS-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+        run: git fetch origin main
+      - name: Check for deleted start or end tags
+        run: bash delete-check.sh
+        continue-on-error: true
diff --git a/appcheck/AppCheckSnippetsObjC/AppAttestProviderFactories.m b/appcheck/AppCheckSnippetsObjC/AppAttestProviderFactories.m
index 2d892ab9..fb864fe8 100644
--- a/appcheck/AppCheckSnippetsObjC/AppAttestProviderFactories.m
+++ b/appcheck/AppCheckSnippetsObjC/AppAttestProviderFactories.m
@@ -30,19 +30,4 @@ @implementation YourSimpleAppCheckProviderFactory
 @end
 // [END appcheck_simple_appattest_factory]
 
-// [START appcheck_appattest_factory]
-@interface YourAppCheckProviderFactory : NSObject <FIRAppCheckProviderFactory>
-@end
-
-@implementation YourAppCheckProviderFactory
-
-- (nullable id<FIRAppCheckProvider>)createProviderWithApp:(nonnull FIRApp *)app {
-  if (@available(iOS 14.0, *)) {
-    return [[FIRAppAttestProvider alloc] initWithApp:app];
-  } else {
-    return [[FIRDeviceCheckProvider alloc] initWithApp:app];
-  }
-}
 
-@end
-// [START appcheck_appattest_factory]
diff --git a/delete-check.sh b/delete-check.sh
new file mode 100755
index 00000000..f2274b90
--- /dev/null
+++ b/delete-check.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+# Checks if any includecode tags were removed.
+
+# Default state for the acknowledge flag
+ACKNOWLEDGE=false
+
+# Loop through arguments to check for the flag
+for arg in "$@"
+do
+    if [ "$arg" == "--acknowledge" ]; then
+        ACKNOWLEDGE=true
+    fi
+done
+
+# Define the target branch (you can change this to origin/main if needed)
+TARGET_BRANCH="master"
+
+# Check if the target branch exists
+if ! git rev-parse --verify "$TARGET_BRANCH" >/dev/null 2>&1; then
+    echo "Error: Branch '$TARGET_BRANCH' not found."
+    exit 1
+fi
+
+# Run git diff to find deleted lines matching the pattern
+# ^-      : Matches lines starting with a minus (deleted lines in diff)
+# .* : Matches any character sequence
+# // \[   : Matches the literal string "// ["
+# (START|END) : Matches either START or END
+MATCHES=$(git diff "$TARGET_BRANCH" | grep -E "^-.*// \[(START|END)")
+
+# If matches are found
+if [ -n "$MATCHES" ]; then
+    echo "---------------------------------------------------------"
+    echo "WARNING: Snippet region markers found in deleted lines:"
+    echo "---------------------------------------------------------"
+    echo "$MATCHES"
+    echo "---------------------------------------------------------"
+    echo "Be sure to update devsite so this PR does not break docs."
+    echo "---------------------------------------------------------"
+
+    # Running this check would require generating a GH token to read
+    # the PR description, which isn't really worth it. The entire
+    # check can be run as continue-on-error in GHA instead.
+    # if [ "$ACKNOWLEDGE" = true ]; then
+    #     echo "Acknowledge flag detected. Exiting with success (0)."
+    #     exit 0
+    # else
+    #     echo "ERROR: You are deleting region markers."
+    #     echo "Run with --acknowledge to bypass this check."
+    #     exit 1
+    # fi
+
+    exit 1
+fi
+
+# If no matches found, exit successfully
+exit 0