diff --git a/research/concurrency.md b/_research/concurrency.md
similarity index 99%
rename from research/concurrency.md
rename to _research/concurrency.md
index 4561297a0e972de35182dd1072a0b608587046f4..1ee85df7dc91e86d8e1de4533d968ee7febaf311 100644
--- a/research/concurrency.md
+++ b/_research/concurrency.md
@@ -1,7 +1,6 @@
 ---
 title: Concurrency
 project_id: concurrency
-layout: research
 ---
 
 Concurrent programs and libraries are ubiquitous in today's world of multi-core processor architectures,