diff --git a/src/main/scala/leon/purescala/TreeOps.scala b/src/main/scala/leon/purescala/TreeOps.scala
index 0d465014979e7c11e5e2b980b7381bc057a0314a..234c0d6088d255ddf7c6c27b77516e474dbd27a9 100644
--- a/src/main/scala/leon/purescala/TreeOps.scala
+++ b/src/main/scala/leon/purescala/TreeOps.scala
@@ -1421,7 +1421,6 @@ object TreeOps {
   }
 
   def expandAndSimplifyArithmetic(expr: Expr): Expr = {
-    println("got: " + expr)
     val expr0 = try {
       val freeVars: Array[Identifier] = variablesOf(expr).toArray
       val coefs: Array[Expr] = TreeNormalizations.linearArithmeticForm(expr, freeVars)
@@ -1431,9 +1430,7 @@ object TreeOps {
     } catch {
       case _ => expr
     }
-    val res = simplifyArithmetic(expr0)
-    println("simplified to: " + res)
-    res
+    simplifyArithmetic(expr0)
   }
 
   //Simplify the expression, applying all the simplify for various theories
diff --git a/src/test/scala/leon/test/purescala/TreeOpsTests.scala b/src/test/scala/leon/test/purescala/TreeOpsTests.scala
index c77406e25c833685e370603f80067146e4fd12b9..dc9d3737dc14c81b31f5c1060f9036a4c38063f3 100644
--- a/src/test/scala/leon/test/purescala/TreeOpsTests.scala
+++ b/src/test/scala/leon/test/purescala/TreeOpsTests.scala
@@ -69,6 +69,22 @@ class TreeOpsTests extends FunSuite {
     checkSameExpr(e6, simplify(e6), Set(xId))
   }
 
+  test("expandAndSimplifyArithmetic") {
+    val e1 = Plus(IntLiteral(3), IntLiteral(2))
+    checkSameExpr(e1, expandAndSimplifyArithmetic(e1), Set())
+    val e2 = Plus(x, Plus(IntLiteral(3), IntLiteral(2)))
+    checkSameExpr(e2, expandAndSimplifyArithmetic(e2), Set(xId))
+
+    val e3 = Minus(IntLiteral(3), IntLiteral(2))
+    checkSameExpr(e3, expandAndSimplifyArithmetic(e3), Set())
+    val e4 = Plus(x, Minus(IntLiteral(3), IntLiteral(2)))
+    checkSameExpr(e4, expandAndSimplifyArithmetic(e4), Set(xId))
+    val e5 = Plus(x, Minus(x, IntLiteral(2)))
+    checkSameExpr(e5, expandAndSimplifyArithmetic(e5), Set(xId))
+
+    val e6 = Times(IntLiteral(9), Plus(Division(x, IntLiteral(3)), Division(x, IntLiteral(6))))
+    checkSameExpr(e6, expandAndSimplifyArithmetic(e6), Set(xId))
+  }
 
   test("extractEquals") {
     val eq = Equals(a, b)