diff --git a/GUI/Model/Descriptor/ComboProperty.cpp b/GUI/Model/Descriptor/ComboProperty.cpp
index cb17abc200025f9d58c34a78ecb5163b645478a6..8ce95d9db5e121d6b36333224615da855ebaa301 100644
--- a/GUI/Model/Descriptor/ComboProperty.cpp
+++ b/GUI/Model/Descriptor/ComboProperty.cpp
@@ -107,26 +107,6 @@ ComboProperty& ComboProperty::operator<<(const QStringList& str)
     return *this;
 }
 
-bool ComboProperty::operator==(const ComboProperty& other) const
-{
-    if (m_selected_indices != other.m_selected_indices)
-        return false;
-    if (m_values != other.m_values)
-        return false;
-    return true;
-}
-
-bool ComboProperty::operator!=(const ComboProperty& other) const
-{
-    return !(*this == other);
-}
-
-bool ComboProperty::operator<(const ComboProperty& other) const
-{
-    return m_selected_indices.size() < other.m_selected_indices.size()
-           && m_values.size() < other.m_values.size();
-}
-
 //! Constructs variant enclosing given ComboProperty.
 
 QVariant ComboProperty::variant() const
diff --git a/GUI/Model/Descriptor/ComboProperty.h b/GUI/Model/Descriptor/ComboProperty.h
index b242eec229b9d6c9da8407e7f36d3b4d82814147..7b3183dbfd30552b2ac7ffdc4cd626c315c8c129 100644
--- a/GUI/Model/Descriptor/ComboProperty.h
+++ b/GUI/Model/Descriptor/ComboProperty.h
@@ -45,9 +45,6 @@ public:
 
     ComboProperty& operator<<(const QString& str);
     ComboProperty& operator<<(const QStringList& str);
-    bool operator==(const ComboProperty& other) const;
-    bool operator!=(const ComboProperty& other) const;
-    bool operator<(const ComboProperty& other) const;
 
     QVariant variant() const;
 
diff --git a/Tests/Unit/GUI/TestComboProperty.cpp b/Tests/Unit/GUI/TestComboProperty.cpp
index b262ec22a179c7032d01bcd7d8edb78d627492e3..375b0244809b3063f809049a2e7dc3d1003844b4 100644
--- a/Tests/Unit/GUI/TestComboProperty.cpp
+++ b/Tests/Unit/GUI/TestComboProperty.cpp
@@ -85,68 +85,3 @@ TEST_F(TestComboProperty, setCurrentIndex)
     combo.setCurrentIndex(0);
     EXPECT_EQ(combo.currentValue(), "c1");
 }
-TEST_F(TestComboProperty, comboEquality)
-{
-    ComboProperty c1;
-    ComboProperty c2;
-    EXPECT_TRUE(c1 == c2);
-
-    c1 << "a1"
-       << "a2";
-    c2 << "a1"
-       << "a2";
-    EXPECT_TRUE(c1 == c2);
-    EXPECT_FALSE(c1 != c2);
-
-    c2 << "a3";
-    EXPECT_TRUE(c1 != c2);
-    EXPECT_FALSE(c1 == c2);
-    c2.setCurrentValue("a2");
-    EXPECT_TRUE(c1 != c2);
-    EXPECT_FALSE(c1 == c2);
-
-    c1 << "a3";
-    c1.setCurrentValue("a2");
-    EXPECT_TRUE(c1 == c2);
-    EXPECT_FALSE(c1 != c2);
-
-    // with selection indices
-    c1 = ComboProperty() << "a1"
-                         << "a2"
-                         << "a3";
-    c2 = ComboProperty() << "a1"
-                         << "a2"
-                         << "a3";
-    EXPECT_TRUE(c1 == c2);
-
-    c2.setSelected(0, false);
-    c2.setSelected(2, true);
-    EXPECT_TRUE(c1 != c2);
-}
-
-//! Check equality of ComboPeroperty's variants.
-//! If comparators are not registered, the behavior is undefined.
-
-TEST_F(TestComboProperty, variantEquality)
-{
-    ComboProperty c1 = ComboProperty() << "a1"
-                                       << "a2";
-    ComboProperty c2 = ComboProperty() << "a1"
-                                       << "a2";
-
-    if (Comparators::registered()) {
-        EXPECT_TRUE(c1.variant() == c2.variant());
-
-        c2 << "a3";
-        c2.setCurrentValue("a2");
-
-        EXPECT_TRUE(c1.variant() != c2.variant());
-        EXPECT_FALSE(c1.variant() == c2.variant());
-
-        c1 << "a3";
-        c1.setCurrentValue("a2");
-
-        EXPECT_TRUE(c1.variant() == c2.variant());
-        EXPECT_FALSE(c1.variant() != c2.variant());
-    }
-}