diff --git a/src/Unlinking/Unlinker.cpp b/src/Unlinking/Unlinker.cpp
index 79cc38ca..77781fcf 100644
--- a/src/Unlinking/Unlinker.cpp
+++ b/src/Unlinking/Unlinker.cpp
@@ -67,7 +67,7 @@ namespace
             }
 
             const auto* zoneDefWriter = IZoneDefWriter::GetZoneDefWriterForGame(zone.m_game_id);
-            zoneDefWriter->WriteZoneDef(zoneDefinitionFile, zone, m_args.m_use_gdt);
+            zoneDefWriter->WriteZoneDef(zoneDefinitionFile, zone, m_args.m_use_gdt, m_args.m_minimal_zone_def);
 
             zoneDefinitionFile.close();
 
diff --git a/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.cpp b/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.cpp
index be9c658e..f82de509 100644
--- a/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.cpp
+++ b/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.cpp
@@ -6,7 +6,7 @@ using namespace IW3;
 
 void ZoneDefWriter::WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const {}
 
-void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const
+void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const
 {
     const auto* game = IGame::GetGameById(zone.m_game_id);
 
@@ -17,6 +17,9 @@ void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone&
 
     for (const auto& asset : zone.m_pools)
     {
+        if (!ShouldWriteAsset(*asset, dependencyAssets))
+            continue;
+
         switch (asset->m_type)
         {
         case ASSET_TYPE_LOCALIZE_ENTRY:
diff --git a/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.h b/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.h
index 8bfe8f61..7cc56c55 100644
--- a/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.h
+++ b/src/ZoneCommon/Game/IW3/Zone/Definition/ZoneDefWriterIW3.h
@@ -8,6 +8,6 @@ namespace IW3
     {
     protected:
         void WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
-        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
+        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const override;
     };
 } // namespace IW3
diff --git a/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.cpp b/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.cpp
index 805aa822..9d07f3f8 100644
--- a/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.cpp
+++ b/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.cpp
@@ -6,7 +6,7 @@ using namespace IW4;
 
 void ZoneDefWriter::WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const {}
 
-void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const
+void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const
 {
     const auto* game = IGame::GetGameById(zone.m_game_id);
 
@@ -17,6 +17,9 @@ void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone&
 
     for (const auto& asset : zone.m_pools)
     {
+        if (!ShouldWriteAsset(*asset, dependencyAssets))
+            continue;
+
         switch (asset->m_type)
         {
         case ASSET_TYPE_LOCALIZE_ENTRY:
diff --git a/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.h b/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.h
index e2f3bedc..4bfb0a6e 100644
--- a/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.h
+++ b/src/ZoneCommon/Game/IW4/Zone/Definition/ZoneDefWriterIW4.h
@@ -8,6 +8,6 @@ namespace IW4
     {
     protected:
         void WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
-        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
+        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const override;
     };
 } // namespace IW4
diff --git a/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.cpp b/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.cpp
index 6c77ee31..51cc37d3 100644
--- a/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.cpp
+++ b/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.cpp
@@ -6,7 +6,7 @@ using namespace IW5;
 
 void ZoneDefWriter::WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const {}
 
-void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const
+void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const
 {
     const auto* game = IGame::GetGameById(zone.m_game_id);
 
@@ -17,6 +17,9 @@ void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone&
 
     for (const auto& asset : zone.m_pools)
     {
+        if (!ShouldWriteAsset(*asset, dependencyAssets))
+            continue;
+
         switch (asset->m_type)
         {
         case ASSET_TYPE_LOCALIZE_ENTRY:
diff --git a/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.h b/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.h
index 29f75f75..550b1dcc 100644
--- a/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.h
+++ b/src/ZoneCommon/Game/IW5/Zone/Definition/ZoneDefWriterIW5.h
@@ -8,6 +8,6 @@ namespace IW5
     {
     protected:
         void WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
-        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
+        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const override;
     };
 } // namespace IW5
diff --git a/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.cpp b/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.cpp
index a079938d..2647a45b 100644
--- a/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.cpp
+++ b/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.cpp
@@ -6,7 +6,7 @@ using namespace T5;
 
 void ZoneDefWriter::WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const {}
 
-void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const
+void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const
 {
     const auto* game = IGame::GetGameById(zone.m_game_id);
 
@@ -17,6 +17,9 @@ void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone&
 
     for (const auto& asset : zone.m_pools)
     {
+        if (!ShouldWriteAsset(*asset, dependencyAssets))
+            continue;
+
         switch (asset->m_type)
         {
         case ASSET_TYPE_LOCALIZE_ENTRY:
diff --git a/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.h b/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.h
index 7dfb85b4..b7510e13 100644
--- a/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.h
+++ b/src/ZoneCommon/Game/T5/Zone/Definition/ZoneDefWriterT5.h
@@ -8,6 +8,6 @@ namespace T5
     {
     protected:
         void WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
-        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
+        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const override;
     };
 } // namespace T5
diff --git a/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.cpp b/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.cpp
index dd0dabd0..aa3133bf 100644
--- a/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.cpp
+++ b/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.cpp
@@ -62,7 +62,7 @@ void ZoneDefWriter::WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone
     }
 }
 
-void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const
+void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const
 {
     const auto* game = IGame::GetGameById(zone.m_game_id);
 
@@ -73,6 +73,9 @@ void ZoneDefWriter::WriteContent(ZoneDefinitionOutputStream& stream, const Zone&
 
     for (const auto& asset : zone.m_pools)
     {
+        if (!ShouldWriteAsset(*asset, dependencyAssets))
+            continue;
+
         switch (asset->m_type)
         {
         case ASSET_TYPE_LOCALIZE_ENTRY:
diff --git a/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.h b/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.h
index 842a7dd9..39709e55 100644
--- a/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.h
+++ b/src/ZoneCommon/Game/T6/Zone/Definition/ZoneDefWriterT6.h
@@ -8,6 +8,6 @@ namespace T6
     {
     protected:
         void WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
-        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const override;
+        void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const override;
     };
 } // namespace T6
diff --git a/src/ZoneCommon/Zone/Definition/ZoneDefWriter.cpp b/src/ZoneCommon/Zone/Definition/ZoneDefWriter.cpp
index 2c032afe..35aa7f32 100644
--- a/src/ZoneCommon/Zone/Definition/ZoneDefWriter.cpp
+++ b/src/ZoneCommon/Zone/Definition/ZoneDefWriter.cpp
@@ -5,6 +5,7 @@
 #include "Game/IW5/Zone/Definition/ZoneDefWriterIW5.h"
 #include "Game/T5/Zone/Definition/ZoneDefWriterT5.h"
 #include "Game/T6/Zone/Definition/ZoneDefWriterT6.h"
+#include "Pool/XAssetInfo.h"
 
 #include <cassert>
 
@@ -25,7 +26,31 @@ const IZoneDefWriter* IZoneDefWriter::GetZoneDefWriterForGame(GameId game)
     return result;
 }
 
-void AbstractZoneDefWriter::WriteZoneDef(std::ostream& stream, const Zone& zone, const bool useGdt) const
+AbstractZoneDefWriter::DependencyAssetLookup AbstractZoneDefWriter::CreateDependencyAssetLookup(const Zone& zone, const bool minimalZone)
+{
+    DependencyAssetLookup dependencyAssets;
+
+    if (!minimalZone)
+        return dependencyAssets;
+
+    for (const auto& asset : zone.m_pools)
+    {
+        for (const auto* dependency : asset->m_dependencies)
+        {
+            if (dependency != nullptr && dependency->m_zone == &zone)
+                dependencyAssets.emplace(dependency);
+        }
+    }
+
+    return dependencyAssets;
+}
+
+bool AbstractZoneDefWriter::ShouldWriteAsset(const XAssetInfoGeneric& asset, const DependencyAssetLookup& dependencyAssets)
+{
+    return dependencyAssets.empty() || !dependencyAssets.contains(&asset);
+}
+
+void AbstractZoneDefWriter::WriteZoneDef(std::ostream& stream, const Zone& zone, const bool useGdt, const bool minimalZone) const
 {
     ZoneDefinitionOutputStream out(stream);
     const auto* game = IGame::GetGameById(zone.m_game_id);
@@ -42,5 +67,7 @@ void AbstractZoneDefWriter::WriteZoneDef(std::ostream& stream, const Zone& zone,
     }
 
     WriteMetaData(out, zone);
-    WriteContent(out, zone);
+
+    const auto dependencyAssets = CreateDependencyAssetLookup(zone, minimalZone);
+    WriteContent(out, zone, dependencyAssets);
 }
diff --git a/src/ZoneCommon/Zone/Definition/ZoneDefWriter.h b/src/ZoneCommon/Zone/Definition/ZoneDefWriter.h
index 1458c1c7..6ec590bc 100644
--- a/src/ZoneCommon/Zone/Definition/ZoneDefWriter.h
+++ b/src/ZoneCommon/Zone/Definition/ZoneDefWriter.h
@@ -3,6 +3,10 @@
 #include "Zone/Definition/ZoneDefinitionStream.h"
 #include "Zone/Zone.h"
 
+#include <unordered_set>
+
+class XAssetInfoGeneric;
+
 class IZoneDefWriter
 {
 public:
@@ -13,7 +17,7 @@ public:
     IZoneDefWriter& operator=(const IZoneDefWriter& other) = default;
     IZoneDefWriter& operator=(IZoneDefWriter&& other) noexcept = default;
 
-    virtual void WriteZoneDef(std::ostream& stream, const Zone& zone, bool useGdt) const = 0;
+    virtual void WriteZoneDef(std::ostream& stream, const Zone& zone, bool useGdt, bool minimalZone) const = 0;
 
     static const IZoneDefWriter* GetZoneDefWriterForGame(GameId game);
 };
@@ -24,9 +28,14 @@ protected:
     static constexpr auto META_DATA_KEY_GAME = "game";
     static constexpr auto META_DATA_KEY_GDT = "gdt";
 
+    using DependencyAssetLookup = std::unordered_set<const XAssetInfoGeneric*>;
+
+    static DependencyAssetLookup CreateDependencyAssetLookup(const Zone& zone, bool minimalZone);
+    static bool ShouldWriteAsset(const XAssetInfoGeneric& asset, const DependencyAssetLookup& dependencyAssets);
+
     virtual void WriteMetaData(ZoneDefinitionOutputStream& stream, const Zone& zone) const = 0;
-    virtual void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone) const = 0;
+    virtual void WriteContent(ZoneDefinitionOutputStream& stream, const Zone& zone, const DependencyAssetLookup& dependencyAssets) const = 0;
 
 public:
-    void WriteZoneDef(std::ostream& stream, const Zone& zone, bool useGdt) const override;
+    void WriteZoneDef(std::ostream& stream, const Zone& zone, bool useGdt, bool minimalZone) const override;
 };