diff --git a/cockatrice/src/interface/widgets/tabs/api/archidekt/display/archidekt_api_response_deck_entry_display_widget.cpp b/cockatrice/src/interface/widgets/tabs/api/archidekt/display/archidekt_api_response_deck_entry_display_widget.cpp
index 7a838d1ff..2998a03bc 100644
--- a/cockatrice/src/interface/widgets/tabs/api/archidekt/display/archidekt_api_response_deck_entry_display_widget.cpp
+++ b/cockatrice/src/interface/widgets/tabs/api/archidekt/display/archidekt_api_response_deck_entry_display_widget.cpp
@@ -16,7 +16,7 @@
 
 #define ARCHIDEKT_DEFAULT_IMAGE "https://storage.googleapis.com/topdekt-user/images/archidekt_deck_card_shadow.jpg"
 
-QString timeAgo(const QString &timestamp)
+static QString timeAgo(const QString &timestamp)
 {
     QDateTime dt = QDateTime::fromString(timestamp, Qt::ISODate);
 
diff --git a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp
index 54eaa3096..b453a57ef 100644
--- a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp
+++ b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list.cpp
@@ -164,7 +164,7 @@ bool DeckList::readElement(QXmlStreamReader *xml)
     return true;
 }
 
-void writeMetadata(QXmlStreamWriter *xml, const DeckList::Metadata &metadata)
+static void writeMetadata(QXmlStreamWriter *xml, const DeckList::Metadata &metadata)
 {
     xml->writeTextElement("lastLoadedTimestamp", metadata.lastLoadedTimestamp);
     xml->writeTextElement("deckname", metadata.name);
diff --git a/libcockatrice_models/libcockatrice/models/deck_list/deck_list_model.cpp b/libcockatrice_models/libcockatrice/models/deck_list/deck_list_model.cpp
index c06fb8268..992c33961 100644
--- a/libcockatrice_models/libcockatrice/models/deck_list/deck_list_model.cpp
+++ b/libcockatrice_models/libcockatrice/models/deck_list/deck_list_model.cpp
@@ -622,7 +622,7 @@ bool DeckListModel::isCardLegalForCurrentFormat(const CardInfoPtr cardInfo)
     return true;
 }
 
-int maxAllowedForLegality(const FormatRules &format, const QString &legality)
+static int maxAllowedForLegality(const FormatRules &format, const QString &legality)
 {
     for (const AllowedCount &c : format.allowedCounts) {
         if (c.label == legality) {