diff --git a/src/component.cpp b/src/component.cpp
index ef4a8e79153..e198a3639f7 100644
--- a/src/component.cpp
+++ b/src/component.cpp
@@ -167,12 +167,11 @@ UDWORD getStructureStatHeight(STRUCTURE_STATS *psStat)
 
 static void draw_player_3d_shape(uint32_t player_index, iIMDShape *shape, const glm::mat4 &modelMatrix)
 {
-	for (iIMDShape *imd = shape; imd != nullptr; imd = imd->next)
+	for (iIMDShape *imd = getFactionIMD(getPlayerFaction(player_index), shape); imd != nullptr; imd = imd->next)
 	{
-		auto faction_shape = getFactionIMD(getPlayerFaction(player_index), imd);
 		int team = getPlayerColour(player_index);
 		const PIELIGHT teamcolour = pal_GetTeamColour(team);
-		pie_Draw3DButton(faction_shape, teamcolour, modelMatrix, glm::mat4(1.f));
+		pie_Draw3DButton(imd, teamcolour, modelMatrix, glm::mat4(1.f));
 	}
 }
 
diff --git a/src/display3d.cpp b/src/display3d.cpp
index 929bfd68c5b..6a30564001b 100644
--- a/src/display3d.cpp
+++ b/src/display3d.cpp
@@ -2670,9 +2670,9 @@ void renderStructure(STRUCTURE *psStructure, const glm::mat4 &viewMatrix, const
 	const Vector3i dv = Vector3i(psStructure->pos.x, psStructure->pos.z, -(psStructure->pos.y));
 	bool bHitByElectronic = false;
 	bool defensive = false;
-	iIMDShape *strImd = psStructure->sDisplay.imd;
-	MAPTILE *psTile = worldTile(psStructure->pos.x, psStructure->pos.y);
 	const FACTION *faction = getPlayerFaction(psStructure->player);
+	iIMDShape *strImd = getFactionIMD(faction, psStructure->sDisplay.imd);
+	MAPTILE *psTile = worldTile(psStructure->pos.x, psStructure->pos.y);
 
 	glm::mat4 modelMatrix = glm::translate(glm::vec3(dv)) * glm::rotate(UNDEG(-psStructure->rot.direction), glm::vec3(0.f, 1.f, 0.f));
 
@@ -2766,7 +2766,7 @@ void renderStructure(STRUCTURE *psStructure, const glm::mat4 &viewMatrix, const
 		}
 		if (strImd)
 		{
-			pie_Draw3DShape(getFactionIMD(faction, strImd), 0, colour, buildingBrightness, pie_HEIGHT_SCALED | pie_SHADOW, static_cast<int>(structHeightScale(psStructure) * pie_RAISE_SCALE), modelMatrix, viewMatrix);
+			pie_Draw3DShape(strImd, 0, colour, buildingBrightness, pie_HEIGHT_SCALED | pie_SHADOW, static_cast<int>(structHeightScale(psStructure) * pie_RAISE_SCALE), modelMatrix, viewMatrix);
 		}
 		setScreenDispWithPerspective(&psStructure->sDisplay, perspectiveViewMatrix * modelMatrix);
 		return;
@@ -2797,10 +2797,10 @@ void renderStructure(STRUCTURE *psStructure, const glm::mat4 &viewMatrix, const
 		{
 			stretch = psStructure->pos.z - psStructure->foundationDepth;
 		}
-		drawShape(psStructure, getFactionIMD(faction, strImd), colour, buildingBrightness, pieFlag, pieFlagData, modelMatrix, viewMatrix, stretch);
-		if (psStructure->sDisplay.imd->nconnectors > 0)
+		drawShape(psStructure, strImd, colour, buildingBrightness, pieFlag, pieFlagData, modelMatrix, viewMatrix, stretch);
+		if (strImd->nconnectors > 0)
 		{
-			renderStructureTurrets(psStructure, getFactionIMD(faction, strImd), buildingBrightness, pieFlag, pieFlagData, ecmFlag, modelMatrix, viewMatrix);
+			renderStructureTurrets(psStructure, strImd, buildingBrightness, pieFlag, pieFlagData, ecmFlag, modelMatrix, viewMatrix);
 		}
 		strImd = strImd->next;
 	}
diff --git a/src/faction.cpp b/src/faction.cpp
index 08f23825416..6a4814c5c8a 100644
--- a/src/faction.cpp
+++ b/src/faction.cpp
@@ -217,17 +217,3 @@ const char* to_localized_string(FactionID faction)
 	}
 	return ""; // silence warning - switch above should be complete
 }
-
-void addFactionModelNameMapping(FACTION *faction, const WzString& normalFactionName, const WzString& mappedName)
-{
-	auto result = faction->replaceIMD.insert(FACTION::ReplaceIMDMap::value_type(normalFactionName, mappedName));
-	if (!result.second)
-	{
-		debug(LOG_INFO, "Already inserted this mapping (%s: %s -> %s)", faction->name.toUtf8().c_str(), normalFactionName.toUtf8().c_str(), mappedName.toUtf8().c_str());
-	}
-}
-
-void addFactionModelNameMapping(FactionID faction, const WzString& normalFactionName, const WzString& mappedName)
-{
-	addFactionModelNameMapping(&(factions[(uint8_t)faction]), normalFactionName, mappedName);
-}
diff --git a/src/faction.h b/src/faction.h
index 05f70b1002f..43f1f52d3f8 100644
--- a/src/faction.h
+++ b/src/faction.h
@@ -54,7 +54,4 @@ std::unordered_set<FactionID> getEnabledFactions(bool ignoreNormalFaction = fals
 const char* to_string(FactionID faction);
 const char* to_localized_string(FactionID faction);
 
-void addFactionModelNameMapping(FACTION *faction, const WzString& normalFactionName, const WzString& mappedName);
-void addFactionModelNameMapping(FactionID faction, const WzString& normalFactionName, const WzString& mappedName);
-
 #endif
diff --git a/src/levels.cpp b/src/levels.cpp
index 9348e9d7d13..406c730a5de 100644
--- a/src/levels.cpp
+++ b/src/levels.cpp
@@ -987,15 +987,6 @@ bool levLoadData(char const *name, Sha256 const *hash, char *pSaveName, GAME_TYP
 					iIMDShape *retval = modelGet(factionModel.value());
 					ASSERT(retval != nullptr, "Cannot find the faction PIE model %s (for normal model: %s)",
 						   factionModel.value().toUtf8().c_str(), modelName.c_str());
-					for (const iIMDShape *pIMD = retval, *pNormalIMD = &s; pIMD != nullptr && pNormalIMD != nullptr; pIMD = pIMD->next, pNormalIMD = pNormalIMD->next)
-					{
-						if (pIMD->modelLevel <= 0)
-						{
-							continue;
-						}
-						// Must add mapping to faction IMD lookup table for all additional level modelNames (these have _<level> appended)
-						addFactionModelNameMapping(faction, pNormalIMD->modelName, pIMD->modelName);
-					}
 				}
 			}
 		});