diff --git a/src/tools/vmap4_extractor/vmapexport.cpp b/src/tools/vmap4_extractor/vmapexport.cpp
index 38ae3b935..2d3e22751 100644
--- a/src/tools/vmap4_extractor/vmapexport.cpp
+++ b/src/tools/vmap4_extractor/vmapexport.cpp
@@ -170,7 +170,7 @@ bool ExtractSingleWmo(std::string& fname)
                 break;
             }
 
-            Wmo_nVertices += fgroup.ConvertToVMAPGroupWmo(output, &froot, preciseVectorData);
+            Wmo_nVertices += fgroup.ConvertToVMAPGroupWmo(output, preciseVectorData);
             for (uint16 groupReference : fgroup.DoodadReferences)
             {
                 if (groupReference >= doodads.Spawns.size())
diff --git a/src/tools/vmap4_extractor/wmo.cpp b/src/tools/vmap4_extractor/wmo.cpp
index a7b94a24f..e208ff2fa 100644
--- a/src/tools/vmap4_extractor/wmo.cpp
+++ b/src/tools/vmap4_extractor/wmo.cpp
@@ -289,7 +289,7 @@ bool WMOGroup::open(WMORoot* rootWMO)
     return true;
 }
 
-int WMOGroup::ConvertToVMAPGroupWmo(FILE* output, WMORoot* rootWMO, bool preciseVectorData)
+int WMOGroup::ConvertToVMAPGroupWmo(FILE* output, bool preciseVectorData)
 {
     fwrite(&mogpFlags, sizeof(uint32), 1, output);
     fwrite(&groupWMOID, sizeof(uint32), 1, output);
diff --git a/src/tools/vmap4_extractor/wmo.h b/src/tools/vmap4_extractor/wmo.h
index d87edf3c8..8967a87a4 100644
--- a/src/tools/vmap4_extractor/wmo.h
+++ b/src/tools/vmap4_extractor/wmo.h
@@ -152,7 +152,7 @@ public:
     ~WMOGroup();
 
     bool open(WMORoot* rootWMO);
-    int ConvertToVMAPGroupWmo(FILE* output, WMORoot* rootWMO, bool preciseVectorData);
+    int ConvertToVMAPGroupWmo(FILE* output, bool preciseVectorData);
     uint32 GetLiquidTypeId(uint32 liquidTypeId);
 };