diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
index 77b0e2b7d2..5d65c740af 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
@@ -439,9 +439,4 @@ namespace O3DE::ProjectManager
     {
         m_filterLineEdit->setText({});
     }
-
-    void GemCatalogHeaderWidget::SetSearchFilter(const QString& filter)
-    {
-        m_filterLineEdit->setText(filter);
-    }
 } // namespace O3DE::ProjectManager
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
index 66bd617fc4..4d17259840 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
@@ -86,9 +86,6 @@ namespace O3DE::ProjectManager
 
         void ReinitForProject();
 
-    public slots:
-        void SetSearchFilter(const QString& filter);
-
     signals:
         void AddGem();
         void OpenGemsRepo();