diff --git a/library/src/commonMain/kotlin/net/sergeych/ling/Compiler.kt b/library/src/commonMain/kotlin/net/sergeych/ling/Compiler.kt
index 498b228..62460bb 100644
--- a/library/src/commonMain/kotlin/net/sergeych/ling/Compiler.kt
+++ b/library/src/commonMain/kotlin/net/sergeych/ling/Compiler.kt
@@ -501,10 +501,9 @@ class Compiler {
         var closure: Context? = null
 
         val fnBody = statement(t.pos) { callerContext ->
-            // remember closure where the function was defined:
+            // restore closure where the function was defined:
             val context = closure ?: Context()
             // load params from caller context
-            println("calling function $name in context $context <- ${context.parent}")
             for ((i, d) in params.withIndex()) {
                 if (i < callerContext.args.size)
                     context.addItem(d.name, false, callerContext.args.list[i].value)
@@ -523,9 +522,12 @@ class Compiler {
             fnStatements.execute(context)
         }
         return statement(start) { context ->
-            println("adding function $name to context $context")
+            // we added fn in the context. now we must save closure
+            // for the function
             closure = context
             context.addItem(name, false, fnBody)
+            // as the function can be called from anywhere, we have
+            // saved the proper context in the closure
             fnBody
         }
     }
diff --git a/library/src/commonMain/kotlin/net/sergeych/ling/Context.kt b/library/src/commonMain/kotlin/net/sergeych/ling/Context.kt
index f0b51da..1d0e08d 100644
--- a/library/src/commonMain/kotlin/net/sergeych/ling/Context.kt
+++ b/library/src/commonMain/kotlin/net/sergeych/ling/Context.kt
@@ -14,7 +14,6 @@ class Context(
     fun copy(args: Arguments = Arguments.EMPTY): Context = Context(this, args)
 
     fun addItem(name: String, isMutable: Boolean, value: Obj?) {
-        println("ading item $name=$value in $this <- ${this.parent}")
         objects.put(name, StoredObj(name, value, isMutable))
     }
 
diff --git a/library/src/commonMain/kotlin/net/sergeych/ling/Script.kt b/library/src/commonMain/kotlin/net/sergeych/ling/Script.kt
index 28d5bb8..0cee68d 100644
--- a/library/src/commonMain/kotlin/net/sergeych/ling/Script.kt
+++ b/library/src/commonMain/kotlin/net/sergeych/ling/Script.kt
@@ -8,8 +8,6 @@ class Script(
 ) : Statement() {
 
     override suspend fun execute(context: Context): Obj {
-        // todo: run script
-        println("exec script in $context <- ${context.parent}")
         var lastResult: Obj = ObjVoid
         for (s in statements) {
             lastResult = s.execute(context)
diff --git a/library/src/commonTest/kotlin/ScriptTest.kt b/library/src/commonTest/kotlin/ScriptTest.kt
index a2a9e97..30570f8 100644
--- a/library/src/commonTest/kotlin/ScriptTest.kt
+++ b/library/src/commonTest/kotlin/ScriptTest.kt
@@ -425,7 +425,6 @@ class ScriptTest {
                 """
                 val count = 3
                 val res = if( count > 10 ) "too much" else "just " + count
-                println(res)
                 res
                 """.trimIndent()
             )
@@ -438,26 +437,10 @@ class ScriptTest {
                 val count = 3
                 var res = if( count > 10 ) "too much" else "it's " + count
                 res = if( count > 10 ) "too much" else "just " + count
-                println(res)
                 res
                 """.trimIndent()
             )
                 .toString()
         )
     }
-    @Test
-    fun bookTest1() = runTest {
-//        assertEquals(
-//            "just 3",
-            eval(
-                """
-                val count = 3
-                println( 
-                    if( count > 10 ) "too much" else "just " + count 
-                )
-                """.trimIndent()
-            )
-//                .toString()
-//        )
-    }
 }
\ No newline at end of file