diff --git a/src/content/prepare/unit2.md b/src/content/prepare/unit2.md
index 0e17275..26ee1f5 100644
--- a/src/content/prepare/unit2.md
+++ b/src/content/prepare/unit2.md
@@ -1,6 +1,5 @@
 ---
 title: Unit 2 Exploration.
-layout: prepare
 time: 60min
 ---
 
diff --git a/src/content/prepare/unit2a.md b/src/content/prepare/unit2a.md
index 97e6414..0a2919d 100644
--- a/src/content/prepare/unit2a.md
+++ b/src/content/prepare/unit2a.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 2 Exploration.
-layout: prepare
+
 time: 30min
 ---
 
diff --git a/src/content/prepare/unit2b.md b/src/content/prepare/unit2b.md
index 10b332a..9d8a0bd 100644
--- a/src/content/prepare/unit2b.md
+++ b/src/content/prepare/unit2b.md
@@ -1,6 +1,5 @@
 ---
 title: Unit 2 Exploration.
-layout: prepare
 time: 30min
 ---
 
diff --git a/src/content/prepare/unit3.md b/src/content/prepare/unit3.md
index c8e1f21..3e655ed 100644
--- a/src/content/prepare/unit3.md
+++ b/src/content/prepare/unit3.md
@@ -1,6 +1,5 @@
 ---
 title: Unit 3 Exploration.
-layout: prepare
 time: 60min
 ---
 
diff --git a/src/content/prepare/unit3a.md b/src/content/prepare/unit3a.md
index e2f766a..d304529 100644
--- a/src/content/prepare/unit3a.md
+++ b/src/content/prepare/unit3a.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 3 Exploration.
-layout: prepare
+
 time: 30min
 ---
 
diff --git a/src/content/prepare/unit3b.md b/src/content/prepare/unit3b.md
index 7bd9488..a743e91 100644
--- a/src/content/prepare/unit3b.md
+++ b/src/content/prepare/unit3b.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 3 Exploration.
-layout: prepare
+
 time: 30min
 ---
 
diff --git a/src/content/prepare/unit4.md b/src/content/prepare/unit4.md
index 4d9c164..ca9706f 100644
--- a/src/content/prepare/unit4.md
+++ b/src/content/prepare/unit4.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 4 Exploration.
-layout: prepare
+
 time: 60min
 ---
 
diff --git a/src/content/prepare/unit4a.md b/src/content/prepare/unit4a.md
index a81a3ad..80efcb9 100644
--- a/src/content/prepare/unit4a.md
+++ b/src/content/prepare/unit4a.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 4 Exploration.
-layout: prepare
+
 time: 30min
 ---
 
diff --git a/src/content/prepare/unit4b.md b/src/content/prepare/unit4b.md
index b1ab28c..38ca485 100644
--- a/src/content/prepare/unit4b.md
+++ b/src/content/prepare/unit4b.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 4 Exploration.
-layout: prepare
+
 time: 30min
 ---
 
diff --git a/src/content/prepare/unit5.md b/src/content/prepare/unit5.md
index ce1042c..fd11479 100644
--- a/src/content/prepare/unit5.md
+++ b/src/content/prepare/unit5.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 5 Exploration.
-layout: prepare
+
 time: 60min
 ---
 
diff --git a/src/content/prepare/unit5a.md b/src/content/prepare/unit5a.md
index d51f550..e996a86 100644
--- a/src/content/prepare/unit5a.md
+++ b/src/content/prepare/unit5a.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 5 Exploration.
-layout: prepare
+
 time: 30min
 ---
 
diff --git a/src/content/prepare/unit5b.md b/src/content/prepare/unit5b.md
index ff25fd4..df7b1a2 100644
--- a/src/content/prepare/unit5b.md
+++ b/src/content/prepare/unit5b.md
@@ -1,6 +1,6 @@
 ---
 title: Unit 5 Exploration.
-layout: prepare
+
 time: 30min
 ---