diff --git a/src/pipeline.js b/src/pipeline.js
index 12059aa..87b4225 100644
--- a/src/pipeline.js
+++ b/src/pipeline.js
@@ -46,6 +46,9 @@ export function CreatePipeline(inputParams) {
                     }
                 }
                 process.stdout.write(`${getStatus(this.commands[i].command, files.length, files.length)}\n`);
+                
+                // Reduce space usage by deleting unneeded step files
+                fs.rmSync(inputDir, { force: true, recursive: true });
             }
 
             // Copy /temp/Step-L/* -> /output