diff --git a/bundler/src/main/java/dev/openrs2/bundler/Bundler.kt b/bundler/src/main/java/dev/openrs2/bundler/Bundler.kt
index 94c27a64..b135e670 100644
--- a/bundler/src/main/java/dev/openrs2/bundler/Bundler.kt
+++ b/bundler/src/main/java/dev/openrs2/bundler/Bundler.kt
@@ -125,7 +125,7 @@ class Bundler @Inject constructor(publicKeyTransformer: PublicKeyTransformer) {
     }
 
     companion object {
-        val logger = InlineLogger()
+        private val logger = InlineLogger()
         val TRANSFORMERS = listOf(
             BufferSizeTransformer(),
             CachePathTransformer(),
diff --git a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/IncrementTransformer.kt b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/IncrementTransformer.kt
index 788b0a43..4037de9d 100644
--- a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/IncrementTransformer.kt
+++ b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/IncrementTransformer.kt
@@ -31,7 +31,7 @@ class IncrementTransformer : Transformer() {
     }
 
     companion object {
-        fun prefixToPostfix(operator: UnaryExpr.Operator) = when (operator) {
+        private fun prefixToPostfix(operator: UnaryExpr.Operator) = when (operator) {
             UnaryExpr.Operator.PREFIX_INCREMENT -> UnaryExpr.Operator.POSTFIX_INCREMENT
             UnaryExpr.Operator.PREFIX_DECREMENT -> UnaryExpr.Operator.POSTFIX_DECREMENT
             else -> operator
diff --git a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NewInstanceTransformer.kt b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NewInstanceTransformer.kt
index 04f1f185..25e7cd24 100644
--- a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NewInstanceTransformer.kt
+++ b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NewInstanceTransformer.kt
@@ -21,6 +21,6 @@ class NewInstanceTransformer : Transformer() {
     }
 
     companion object {
-        val CONSTRUCTOR_METHODS = setOf("getConstructor", "getDeclaredConstructor")
+        private val CONSTRUCTOR_METHODS = setOf("getConstructor", "getDeclaredConstructor")
     }
 }
diff --git a/deob/src/main/java/dev/openrs2/deob/transform/OverrideTransformer.kt b/deob/src/main/java/dev/openrs2/deob/transform/OverrideTransformer.kt
index bab4cb73..4717da43 100644
--- a/deob/src/main/java/dev/openrs2/deob/transform/OverrideTransformer.kt
+++ b/deob/src/main/java/dev/openrs2/deob/transform/OverrideTransformer.kt
@@ -50,7 +50,7 @@ class OverrideTransformer : Transformer() {
     }
 
     companion object {
-        val logger = InlineLogger()
-        val OVERRIDE_DESC: String = Type.getDescriptor(Override::class.java)
+        private val logger = InlineLogger()
+        private val OVERRIDE_DESC: String = Type.getDescriptor(Override::class.java)
     }
 }