diff --git a/.gitignore b/.gitignore
index 83ed42d8..c29e7446 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,14 +26,6 @@ misc.xml
 deploymentTargetDropDown.xml
 render.experimental.xml
 
-# private files
-/backend/src/main/resources/application-dev.yml
-/backend/src/main/resources/application-dev1.yml
-/backend/src/main/resources/application-dev2.yml
-/backend/src/main/resources/application-prod.yml
-/backend/src/main/resources/application-prod1.yml
-/backend/src/main/resources/application-prod2.yml
-
 # Keystore files
 *.jks
 *.keystore
diff --git a/.gitmodules b/.gitmodules
index d8f4fd07..40933d12 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "sub-2023-trip-draw"]
-	path = sub-2023-trip-draw
+	path = backend/src/main/resources/config
 	url = https://github.com/trip-draw/sub-2023-trip-draw.git
diff --git a/backend/build.gradle b/backend/build.gradle
index 8faf7df7..c8fe295b 100644
--- a/backend/build.gradle
+++ b/backend/build.gradle
@@ -68,13 +68,6 @@ dependencies {
     implementation 'org.mindrot:jbcrypt:0.4'
 }
 
-processResources.dependsOn('copySecret')
-
-tasks.register('copySecret', Copy) {
-    from '../sub-2023-trip-draw'
-    into 'src/main/resources'
-}
-
 tasks.named('test') {
     useJUnitPlatform()
 }
diff --git a/backend/src/main/resources/config b/backend/src/main/resources/config
new file mode 160000
index 00000000..3554dac1
--- /dev/null
+++ b/backend/src/main/resources/config
@@ -0,0 +1 @@
+Subproject commit 3554dac160340853c4dd23fe12b95ef4e441ee7f
diff --git a/sub-2023-trip-draw b/sub-2023-trip-draw
deleted file mode 160000
index 0b7f2007..00000000
--- a/sub-2023-trip-draw
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 0b7f20070585a1788a6a18534ccbeca12256fd35