diff --git a/build.yaml b/build.yaml
index 9048d5e..822d8e3 100644
--- a/build.yaml
+++ b/build.yaml
@@ -1,17 +1,12 @@
-matrix:
-  # List the firmware to build here. Each item use the following properties.
-  #  board: (required) the board to build.
-  #  shield: (optional) the shield to build. Omit for a standalone board.
-  #  cmake-args: (optional) extra arguments to pass to CMake as a string.
-  include:
-    - board: le_chiff_ble
-      artifact_prefix: schiffer_bleu
-      keyboard_name: "schiffer bleu"
+include:
+  - board: le_chiff_ble
+    artifact_prefix: schiffer_bleu
+    keyboard_name: "schiffer bleu"
 
-    - board: le_chiff_ble
-      artifact_prefix: schiffer_pink
-      keyboard_name: "schiffer pink"
+  - board: le_chiff_ble
+    artifact_prefix: schiffer_pink
+    keyboard_name: "schiffer pink"
 
-    - board: le_chiff_ble
-      artifact_prefix: schiffer_gelb
-      keyboard_name: "schiffer gelb"
+  - board: le_chiff_ble
+    artifact_prefix: schiffer_gelb
+    keyboard_name: "schiffer gelb"