diff --git a/cpu/functions.go b/cpu/functions.go
index 02e9294..bf28572 100644
--- a/cpu/functions.go
+++ b/cpu/functions.go
@@ -2,7 +2,6 @@ package cpu
 
 import (
 	"radu.macocian.me/goboy/cpu/operations"
-	"radu.macocian.me/goboy/memory"
 )
 
 type op_context struct {
diff --git a/cpu/operations/shift_test.go b/cpu/operations/shift_test.go
index 17d0164..ed8bc33 100644
--- a/cpu/operations/shift_test.go
+++ b/cpu/operations/shift_test.go
@@ -12,18 +12,18 @@ func TestShiftLeft(t *testing.T) {
 	actual := r1
 
 	if actual != expected {
-		t.Errorf("actual %x != expected %x", actual, expected)
+		t.Errorf("actual %08b != expected %08b", actual, expected)
 	}
 }
 
 func TestShiftRight(t *testing.T) {
 	r1 := byte(0b01010101)
-	ShiftLeft(&r1)
+	ShiftRight(&r1)
 
 	expected := byte(0b00101010)
 	actual := r1
 
 	if actual != expected {
-		t.Errorf("actual %x != expected %x", actual, expected)
+		t.Errorf("actual %08b != expected %08b", actual, expected)
 	}
 }