diff --git a/.github/workflows/build-notebooks.yaml b/.github/workflows/build-notebooks.yaml
index c18a45fdc..1fb239eaf 100644
--- a/.github/workflows/build-notebooks.yaml
+++ b/.github/workflows/build-notebooks.yaml
@@ -645,48 +645,6 @@
             },
             "secrets": "inherit"
         },
-        "base-c9s-python-3_11": {
-            "needs": [],
-            "uses": "./.github/workflows/build-notebooks-TEMPLATE.yaml",
-            "with": {
-                "target": "base-c9s-python-3.11",
-                "github": "${{ toJSON(github) }}"
-            },
-            "secrets": "inherit"
-        },
-        "cuda-c9s-python-3_11": {
-            "needs": [
-                "base-c9s-python-3_11"
-            ],
-            "uses": "./.github/workflows/build-notebooks-TEMPLATE.yaml",
-            "with": {
-                "target": "cuda-c9s-python-3.11",
-                "github": "${{ toJSON(github) }}"
-            },
-            "secrets": "inherit"
-        },
-        "rstudio-c9s-python-3_11": {
-            "needs": [
-                "base-c9s-python-3_11"
-            ],
-            "uses": "./.github/workflows/build-notebooks-TEMPLATE.yaml",
-            "with": {
-                "target": "rstudio-c9s-python-3.11",
-                "github": "${{ toJSON(github) }}"
-            },
-            "secrets": "inherit"
-        },
-        "cuda-rstudio-c9s-python-3_11": {
-            "needs": [
-                "cuda-c9s-python-3_11"
-            ],
-            "uses": "./.github/workflows/build-notebooks-TEMPLATE.yaml",
-            "with": {
-                "target": "cuda-rstudio-c9s-python-3.11",
-                "github": "${{ toJSON(github) }}"
-            },
-            "secrets": "inherit"
-        },
         "rocm-ubi9-python-3_9": {
             "needs": [
                 "base-ubi9-python-3_9"