diff --git a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
index 1fae53f347eb..a7fdfda22de8 100644
--- a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
+++ b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
@@ -198,7 +198,6 @@ replacements:
     before: extras = \{\}
     after: |
       extras = {
-          "libcst": "libcst >= 0.2.5",
           "pandas": ["pandas>=1.3.4"],
           "storage": [
             "google-cloud-storage >=2.14.0, <4.0.0",
@@ -215,7 +214,6 @@ replacements:
     after: |
       google-api-core==2.25.0
       google-cloud-storage==2.14.0
-      libcst==0.2.5
       pandas==1.3.4
       # numpy is a dependency of pandas
       numpy==1.21.3
diff --git a/packages/google-cloud-automl/setup.py b/packages/google-cloud-automl/setup.py
index 1f20f5f0a153..4eca771b9693 100644
--- a/packages/google-cloud-automl/setup.py
+++ b/packages/google-cloud-automl/setup.py
@@ -52,7 +52,6 @@
     "protobuf >= 6.33.5, < 8.0.0",
 ]
 extras = {
-    "libcst": "libcst >= 0.2.5",
     "pandas": ["pandas>=1.3.4"],
     "storage": [
         "google-cloud-storage >=2.14.0, <4.0.0",
diff --git a/packages/google-cloud-automl/testing/constraints-3.10.txt b/packages/google-cloud-automl/testing/constraints-3.10.txt
index 3fbebdff50fe..72c3094d013e 100644
--- a/packages/google-cloud-automl/testing/constraints-3.10.txt
+++ b/packages/google-cloud-automl/testing/constraints-3.10.txt
@@ -6,7 +6,6 @@
 # then this file should have google-cloud-foo==1.14.0
 google-api-core==2.25.0
 google-cloud-storage==2.14.0
-libcst==0.2.5
 pandas==1.3.4
 # numpy is a dependency of pandas
 numpy==1.21.3