diff --git a/pcsx2-qt/Settings/CreateMemoryCardDialog.cpp b/pcsx2-qt/Settings/CreateMemoryCardDialog.cpp
index b4b36bb475..4b8750891a 100644
--- a/pcsx2-qt/Settings/CreateMemoryCardDialog.cpp
+++ b/pcsx2-qt/Settings/CreateMemoryCardDialog.cpp
@@ -47,6 +47,10 @@ CreateMemoryCardDialog::CreateMemoryCardDialog(QWidget* parent /* = nullptr */)
 	connect(m_ui.buttonBox->button(QDialogButtonBox::Cancel), &QPushButton::clicked, this, &CreateMemoryCardDialog::close);
 	connect(m_ui.buttonBox->button(QDialogButtonBox::RestoreDefaults), &QPushButton::clicked, this, &CreateMemoryCardDialog::restoreDefaults);
 
+#ifdef _WIN32
+	m_ui.ntfsCompression->setEnabled(false);
+#endif
+
 	updateState();
 }
 
@@ -96,7 +100,9 @@ void CreateMemoryCardDialog::updateState()
 	const bool okay = (m_ui.name->text().length() > 4);
 
 	m_ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(okay);
+#ifdef _WIN32
 	m_ui.ntfsCompression->setEnabled(m_type == MemoryCardType::File);
+#endif
 }
 
 void CreateMemoryCardDialog::createCard()
@@ -117,11 +123,13 @@ void CreateMemoryCardDialog::createCard()
 		return;
 	}
 
+#ifdef  _WIN32
 	if (m_ui.ntfsCompression->isChecked() && m_type == MemoryCardType::File)
 	{
 		const std::string fullPath(Path::CombineStdString(EmuFolders::MemoryCards, nameStr));
 		NTFS_CompressFile(StringUtil::UTF8StringToWxString(fullPath), true);
 	}
+#endif
 
 	QMessageBox::information(this, tr("Create Memory Card"), tr("Memory card '%1' created.").arg(name));
 	accept();
diff --git a/pcsx2-qt/Settings/MemoryCardSettingsWidget.h b/pcsx2-qt/Settings/MemoryCardSettingsWidget.h
index 8976f86ffc..1a6a45c9e4 100644
--- a/pcsx2-qt/Settings/MemoryCardSettingsWidget.h
+++ b/pcsx2-qt/Settings/MemoryCardSettingsWidget.h
@@ -39,8 +39,8 @@ public:
 	void refresh(SettingsDialog* dialog);
 
 protected:
-	void mousePressEvent(QMouseEvent* event);
-	void mouseMoveEvent(QMouseEvent* event);
+	void mousePressEvent(QMouseEvent* event) override;
+	void mouseMoveEvent(QMouseEvent* event) override;
 
 private:
 	QPoint m_dragStartPos = {};
@@ -60,9 +60,9 @@ public:
 	void setCard(const std::optional<std::string>& name);
 
 protected:
-	void dragEnterEvent(QDragEnterEvent* event);
-	void dragMoveEvent(QDragMoveEvent* event);
-	void dropEvent(QDropEvent* event);
+	void dragEnterEvent(QDragEnterEvent* event) override;
+	void dragMoveEvent(QDragMoveEvent* event) override;
+	void dropEvent(QDropEvent* event) override;
 };
 
 // Must be included *after* the custom widgets.
diff --git a/pcsx2-qt/Settings/MemoryCardSettingsWidget.ui b/pcsx2-qt/Settings/MemoryCardSettingsWidget.ui
index d291186c2c..e7efe2115d 100644
--- a/pcsx2-qt/Settings/MemoryCardSettingsWidget.ui
+++ b/pcsx2-qt/Settings/MemoryCardSettingsWidget.ui
@@ -176,7 +176,7 @@
   <customwidget>
    <class>MemoryCardListWidget</class>
    <extends>QTreeWidget</extends>
-   <header>MemoryCardSettingsWidget.h</header>
+   <header>Settings/MemoryCardSettingsWidget.h</header>
   </customwidget>
  </customwidgets>
  <resources/>