diff --git a/clients/azure/vm.py b/clients/azure/vm.py
index b770add..ffa6a6c 100644
--- a/clients/azure/vm.py
+++ b/clients/azure/vm.py
@@ -51,6 +51,10 @@ class VMNotFound(Exception):
     pass
 
 
+class ImageDefinitionNotFound(Exception):
+    pass
+
+
 @dataclass
 class AzureVMDeploymentProperties:
     project_name: str
@@ -382,6 +386,39 @@ def list_vm_image_definitions(self) -> list[str]:
             # all images except the default one
         ]
 
+    def delete_vm_image_definition(self, image_definition: str) -> LROPoller:
+        """Delete image definition."""
+        try:
+            return self._compute_mgmt_client.gallery_images.begin_delete(
+                resource_group_name=self.resource_group_name,
+                gallery_name=self.template_specs_image_gallery,
+                gallery_image_name=image_definition,
+            )
+        except ResourceNotFoundError as error:
+            raise ImageDefinitionNotFound() from error
+
+    def delete_vm_image_definition_versions(
+        self,
+        image_definition: str,
+    ) -> list[tuple[str, LROPoller]]:
+        """Delete image definition."""
+        return [
+            (
+                version.name,
+                self._compute_mgmt_client.gallery_image_versions.begin_delete(
+                    resource_group_name=self.resource_group_name,
+                    gallery_name=self.template_specs_image_gallery,
+                    gallery_image_name=image_definition,
+                    gallery_image_version_name=version.name,
+                ),
+            )
+            for version in self._compute_mgmt_client.gallery_image_versions.list_by_gallery_image(
+                resource_group_name=self.resource_group_name,
+                gallery_name=self.template_specs_image_gallery,
+                gallery_image_name=image_definition,
+            )
+        ]
+
     def _get_image_versions(
         self, gallery_name: str, gallery_image_name: str
     ) -> list[str]:
diff --git a/scripts/delete_image_definition.py b/scripts/delete_image_definition.py
new file mode 100644
index 0000000..9fd1739
--- /dev/null
+++ b/scripts/delete_image_definition.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+"""
+Delete an Azure image definition
+"""
+import argparse
+import time
+
+from clients.azure.vm import VMAzureClient, ImageDefinitionNotFound
+
+from . import get_logger
+
+logger = get_logger(__name__)
+
+
+def create_vm():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        dest="image_definition",
+        help="Image definition to delete.",
+    )
+    args = parser.parse_args()
+
+    poller = None
+
+    confirm = input(
+        f"Are you sure you want to delete image definition {args.image_definition}? (y/n): "
+    )
+    if confirm.lower() != "y":
+        logger.info("Aborting.")
+        return
+
+    try:
+        logger.info("Deleting image definition versions...")
+        pollers = VMAzureClient().delete_vm_image_definition_versions(
+            args.image_definition
+        )
+        logger.info("%s image definition versions to delete.", len(pollers))
+        for version, poller in pollers:
+            logger.info("Deleting image definition version %s.", version)
+            while not poller.done():
+                poller.result()
+            logger.info("Done deleting image definition version %s.", version)
+
+        logger.info("Deleting image definition...")
+        time.sleep(
+            7
+        )  # sleep a bit, otheriwse azure will say image versions are not deleted yet.
+
+        poller = VMAzureClient().delete_vm_image_definition(args.image_definition)
+
+    except ImageDefinitionNotFound:
+        logger.error("Image definition %s not found.", args.image_definition)
+        logger.error(
+            "Choices are: %s", ", ".join(VMAzureClient().list_vm_image_definitions())
+        )
+
+    if poller:
+        poller.result()
+        logger.info("Done.")
+
+
+if __name__ == "__main__":
+    create_vm()