diff --git a/kmath-ast/src/jvmMain/kotlin/scientifik/kmath/asm/internal/classWriters.kt b/kmath-ast/src/jvmMain/kotlin/scientifik/kmath/asm/internal/classWriters.kt
index 84f736ee7..95d713b18 100644
--- a/kmath-ast/src/jvmMain/kotlin/scientifik/kmath/asm/internal/classWriters.kt
+++ b/kmath-ast/src/jvmMain/kotlin/scientifik/kmath/asm/internal/classWriters.kt
@@ -3,9 +3,9 @@ package scientifik.kmath.asm.internal
 import org.objectweb.asm.ClassWriter
 import org.objectweb.asm.MethodVisitor
 
-inline fun ClassWriter(flags: Int, block: ClassWriter.() -> Unit): ClassWriter = ClassWriter(flags).apply(block)
+internal inline fun ClassWriter(flags: Int, block: ClassWriter.() -> Unit): ClassWriter = ClassWriter(flags).apply(block)
 
-inline fun ClassWriter.visitMethod(
+internal inline fun ClassWriter.visitMethod(
     access: Int,
     name: String,
     descriptor: String,