diff --git a/build.gradle.kts b/build.gradle.kts
index 7c4ee45..d180922 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -28,7 +28,7 @@ repositories {
 }
 
 dependencies {
-    implementation("org.jetbrains:annotations:26.0.1")
+    compileOnly("org.jetbrains:annotations:26.0.2-1")
 }
 
 java {
diff --git a/build.sh b/build.sh
index b25e4e6..1327595 100755
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
 export VERSION=$(git describe --tags --exact-match 2>/dev/null \
   || git symbolic-ref --short -q HEAD \
   || git rev-parse --short HEAD)
diff --git a/clean.sh b/clean.sh
index d97f0e1..1360dac 100755
--- a/clean.sh
+++ b/clean.sh
@@ -1 +1,4 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
 ./gradlew clean ; rm -rf build
diff --git a/publish.sh b/publish.sh
index 5f925a9..9256978 100755
--- a/publish.sh
+++ b/publish.sh
@@ -1,3 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
 export VERSION=$(git describe --tags --exact-match 2>/dev/null \
   || git symbolic-ref --short -q HEAD \
   || git rev-parse --short HEAD)
diff --git a/publishCICD.sh b/publishCICD.sh
index bf096d6..44cf808 100755
--- a/publishCICD.sh
+++ b/publishCICD.sh
@@ -1,3 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
 export VERSION=$(git describe --tags --exact-match 2>/dev/null \
   || git symbolic-ref --short -q HEAD \
   || git rev-parse --short HEAD)
diff --git a/src/main/java/com/r35157/nenjim/hubd/SomeInterface.java b/src/main/java/com/r35157/nenjim/hubd/SomeInterface.java
deleted file mode 100644
index d3412c0..0000000
--- a/src/main/java/com/r35157/nenjim/hubd/SomeInterface.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package com.r35157.nenjim.hubd;
-
-public interface SomeInterface {
-    String concat(String x, String y);
-    void divideByZero() throws ArithmeticException;
-}