diff --git a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/Script.kt b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/Script.kt
index 4f89647..bdad379 100644
--- a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/Script.kt
+++ b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/Script.kt
@@ -183,7 +183,7 @@ class Script(
                 catch( e: ExecutionError ) {
                     e.errorObject
                 }
-                catch (e: ScriptError) {
+                catch (_: ScriptError) {
                     ObjNull
                 }
                 result ?: raiseError(ObjAssertionFailedException(this,"Expected exception but nothing was thrown"))
diff --git a/lynglib/src/commonMain/kotlin/net/sergeych/lynon/MemoryBitOutput.kt b/lynglib/src/commonMain/kotlin/net/sergeych/lynon/MemoryBitOutput.kt
index 7dd8080..efb4ab3 100644
--- a/lynglib/src/commonMain/kotlin/net/sergeych/lynon/MemoryBitOutput.kt
+++ b/lynglib/src/commonMain/kotlin/net/sergeych/lynon/MemoryBitOutput.kt
@@ -81,7 +81,13 @@ class BitArray(val bytes: UByteArray, val lastByteBits: Int) : BitList {
     fun asUByteArray(): UByteArray = bytes
 
     override fun equals(other: Any?): Boolean {
-        return other is BitList && this.compareTo(other) == 0
+        return when(other) {
+            is BitArray ->
+                // important: size must match as trailing zero bits will generate false eq otherwise:
+                size == other.size && bytes contentEquals other.bytes
+            is BitList -> compareTo(other) == 0
+            else -> false
+        }
     }
 
     override fun hashCode(): Int {