diff --git a/30.c/textbook.en.md b/30.c/textbook.en.md
deleted file mode 100644
index e30920ed4..000000000
--- a/30.c/textbook.en.md
+++ /dev/null
@@ -1,17 +0,0 @@
----
-lessons:
-    - slug: test01
-      order: 3
-    - slug: test02
-      order: 3
-    - slug: test03
-      order: 1
----
-
-## TEST C 
-
-If test01 : must appear with the order ABC
-
-If test02 : must appear with the order BAC
-
-If test03 : must appear with the order CAB
\ No newline at end of file
diff --git a/30.c/textbook.es.md b/30.c/textbook.es.md
deleted file mode 100644
index df4cfb1d3..000000000
--- a/30.c/textbook.es.md
+++ /dev/null
@@ -1,17 +0,0 @@
----
-lessons:
-    - slug: test01
-      order: 3
-    - slug: test02
-      order: 3
-    - slug: test03
-      order: 1
----
-
-## TEST C
-
-Si test01: debe aparecer en orden ABC
-
-Si test02: debe aparecer en la orden BAC
-
-Si test03: debe aparecer en el pedido CAB 
\ No newline at end of file
diff --git a/30.c/textbook.fr.md b/30.c/textbook.fr.md
deleted file mode 100644
index 2748b13b0..000000000
--- a/30.c/textbook.fr.md
+++ /dev/null
@@ -1,17 +0,0 @@
----
-lessons:
-    - slug: test01
-      order: 3
-    - slug: test02
-      order: 3
-    - slug: test03
-      order: 1
----
-
-## TEST C 
-
-Si test01 : doit apparaître dans l'ordre ABC
-
-Si test02 : doit apparaître dans l'ordre BAC
-
-Si test03 : doit apparaître dans l'ordre CAB