diff --git a/knowledge base/cloud computing/aws/ecr.md b/knowledge base/cloud computing/aws/ecr.md
index f10d676..47f03ac 100644
--- a/knowledge base/cloud computing/aws/ecr.md	
+++ b/knowledge base/cloud computing/aws/ecr.md	
@@ -16,6 +16,9 @@ aws ecr describe-repositories --registry-id '123456789012' --query 'repositories
 # Create repositories.
 aws ecr create-repository --repository-name 'docker-tools/image-builder'
 
+# Delete repositories.
+aws ecr delete-repository --repository-name 'banana/slug'
+
 # List images in ECRs.
 aws ecr list-images --repository-name 'repository'
 aws ecr list-images --registry-id '123456789012' --repository-name 'my-image'
diff --git a/snippets/aws.fish b/snippets/aws.fish
index 646d962..a5517f0 100644
--- a/snippets/aws.fish
+++ b/snippets/aws.fish
@@ -41,3 +41,5 @@ aws ecs list-tasks --query 'taskArns' --output 'text' --cluster 'testCluster' --
 | xargs -t aws ecs describe-tasks --query "tasks[].attachments[].details[?(name=='privateIPv4Address')].value" --output 'text' --cluster 'testCluster' --tasks \
 | tee \
 | xargs -I{} curl -fs "http://{}:8080"
+
+aws ecr delete-repository --repository-name 'bananaslug'