diff --git a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp
index 30b7ba314..cea759428 100644
--- a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp
+++ b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp
@@ -166,7 +166,7 @@ bool DeckList::readElement(QXmlStreamReader *xml)
     return true;
 }
 
-static void writeMetadata(QXmlStreamWriter *xml, const DeckList::Metadata &metadata)
+void writeMetadata(QXmlStreamWriter *xml, const DeckList::Metadata &metadata)
 {
     xml->writeTextElement("lastLoadedTimestamp", metadata.lastLoadedTimestamp);
     xml->writeTextElement("deckname", metadata.name);
diff --git a/libcockatrice_network/libcockatrice/network/server/remote/server_player_reference.h b/libcockatrice_network/libcockatrice/network/server/remote/server_player_reference.h
index b478a4244..07b2d3d2b 100644
--- a/libcockatrice_network/libcockatrice/network/server/remote/server_player_reference.h
+++ b/libcockatrice_network/libcockatrice/network/server/remote/server_player_reference.h
@@ -24,7 +24,7 @@ public:
     {
         return playerId;
     }
-    bool operator==(const PlayerReference &other) const
+    bool operator==(const PlayerReference &other)
     {
         return ((roomId == other.roomId) && (gameId == other.gameId) && (playerId == other.playerId));
     }
diff --git a/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp b/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp
index b4553f8d2..46c24f69c 100644
--- a/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp
+++ b/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp
@@ -84,11 +84,7 @@ qulonglong SystemMemoryQuerier::availableMemoryBytes()
     while (!in.atEnd()) {
         QString line = in.readLine();
         if (line.startsWith("MemAvailable:")) {
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-            QStringList parts = line.split(QRegExp("\\s+"), QString::SkipEmptyParts);
-#else
-            QStringList parts = line.split(QRegularExpression("\\s+"), Qt::SkipEmptyParts);
-#endif
+            QStringList parts = line.split(QRegExp("\\s+"), Qt::SkipEmptyParts);
             if (parts.size() >= 2)
                 return parts[1].toULongLong() * 1024;
         }
diff --git a/libcockatrice_utility/libcockatrice/utility/system_memory_querier.h b/libcockatrice_utility/libcockatrice/utility/system_memory_querier.h
index 8a15fecdd..44fd9f6f9 100644
--- a/libcockatrice_utility/libcockatrice/utility/system_memory_querier.h
+++ b/libcockatrice_utility/libcockatrice/utility/system_memory_querier.h
@@ -11,14 +11,8 @@ public:
 
     static bool hasAtLeastGiB(int gib)
     {
-        const qulonglong total = totalMemoryBytes();
-        // 0 means the amount could not be determined (unsupported platform or failed query).
-        // Treat it as unknown and skip the check instead of misreading it as low memory.
-        if (total == 0) {
-            return true;
-        }
         const qulonglong GiB = 1024ull * 1024ull * 1024ull;
-        return total >= (qulonglong)gib * GiB;
+        return totalMemoryBytes() >= (qulonglong)gib * GiB;
     }
 };
 
diff --git a/oracle/src/pages.cpp b/oracle/src/pages.cpp
index 0b500a29a..6110fb58b 100644
--- a/oracle/src/pages.cpp
+++ b/oracle/src/pages.cpp
@@ -188,30 +188,21 @@ void LoadSetsPage::initializePage()
     urlLineEdit->setText(wizard()->settings->value("allsetsurl", ALLSETS_URL).toString());
 
     // Memory check because Oracle parsing fails on systems with less than 4GiB for MTGJsons allPrintings.json
-    // The fallback URL is xz-compressed, so only offer it in builds that can read it.
-    // During background (automatic) updates there is no user to answer, so switch silently.
-#ifdef HAS_LZMA
     if (!SystemMemoryQuerier::hasAtLeastGiB(4) && urlLineEdit->text() == ALLSETS_URL) {
-        if (wizard()->backgroundMode) {
+        // Ask user whether to switch URL
+        QMessageBox msgBox(
+            QMessageBox::Question, tr("Low Memory Detected"),
+            tr("Your system has less than 4 GiB of memory.\n"
+               "Using the default AllPrintings URL may cause high memory usage and is known to fail as a result.\n\n"
+               "Would you like to switch to the direct-download pre-parsed URL instead? (Updated daily)"),
+            QMessageBox::Yes | QMessageBox::No, this);
+
+        msgBox.setDefaultButton(QMessageBox::Yes);
+
+        if (msgBox.exec() == QMessageBox::Yes) {
             urlLineEdit->setText(MTGXML_URL);
-        } else {
-            // Ask user whether to switch URL
-            QMessageBox msgBox(
-                QMessageBox::Question, tr("Low Memory Detected"),
-                tr("Your system has less than 4 GiB of memory.\n"
-                   "Using the default AllPrintings URL may cause high memory usage and is known to fail as a "
-                   "result.\n\n"
-                   "Would you like to switch to the direct-download pre-parsed URL instead? (Updated daily)"),
-                QMessageBox::Yes | QMessageBox::No, this);
-
-            msgBox.setDefaultButton(QMessageBox::Yes);
-
-            if (msgBox.exec() == QMessageBox::Yes) {
-                urlLineEdit->setText(MTGXML_URL);
-            }
         }
     }
-#endif
 
     progressLabel->hide();
     progressBar->hide();