diff --git a/pages/Math4351/_meta.js b/pages/Math4351/_meta.js
deleted file mode 100644
index 0a1e78a..0000000
--- a/pages/Math4351/_meta.js
+++ /dev/null
@@ -1,7 +0,0 @@
-export default {
-    index: "Course Description",
-    "---":{
-        type: 'separator'
-    },
-    Math4351_L1: "Introduction to Number Theory and Cryptography (Lecture 1)",
-}
diff --git a/pages/Math4351/index.md b/pages/Math4351/index.md
deleted file mode 100644
index 4e9da1d..0000000
--- a/pages/Math4351/index.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# Math 4351
-
-Number theory and cryptography.
-
-No textbook required.
-
-
diff --git a/pages/Math4351/CSE361S_L2.md b/pages/Swap/CSE361S_L2.md
similarity index 100%
rename from pages/Math4351/CSE361S_L2.md
rename to pages/Swap/CSE361S_L2.md
diff --git a/pages/Math4351/Math4351_L1.md b/pages/Swap/Math4351_L1.md
similarity index 100%
rename from pages/Math4351/Math4351_L1.md
rename to pages/Swap/Math4351_L1.md
diff --git a/pages/_meta.js b/pages/_meta.js
index 0c165a2..1a5326d 100644
--- a/pages/_meta.js
+++ b/pages/_meta.js
@@ -44,7 +44,7 @@ export default {
     CSE559A: {
       type: 'page',
     },
-    Math4351: {
+    Swap: {
       display: 'hidden'
     },
     about: {