diff --git a/components/esm4/loadaloc.hpp b/components/esm4/loadaloc.hpp
index 1c2d17d11e..a58efd289e 100644
--- a/components/esm4/loadaloc.hpp
+++ b/components/esm4/loadaloc.hpp
@@ -75,7 +75,6 @@ namespace ESM4
         std::uint32_t mDayStart;
         std::uint32_t mNightStart;
 
-        MediaLocationController();
         virtual ~MediaLocationController();
 
         virtual void load(ESM4::Reader& reader);
diff --git a/components/esm4/loadgrup.hpp b/components/esm4/loadgrup.hpp
index 8eb53a0e58..4b9aa9547b 100644
--- a/components/esm4/loadgrup.hpp
+++ b/components/esm4/loadgrup.hpp
@@ -86,8 +86,6 @@ namespace ESM4
         FormId mRoad;
 
         std::vector<FormId> mCells; // FIXME should this be CellGroup* instead?
-
-        WorldGroup() : mWorld(0), mRoad(0) {}
     };
 
     // http://www.uesp.net/wiki/Tes4Mod:Mod_File_Format/CELL
@@ -150,8 +148,6 @@ namespace ESM4
 
         // need to keep modindex and context for lazy loading (of all the files that contribute
         // to this group)
-
-        CellGroup() : mCell(0), mLand(0), mPgrd(0) {}
     };
 }
 
diff --git a/components/esm4/loadhdpt.hpp b/components/esm4/loadhdpt.hpp
index 9b67b0fce8..7ec46a32bc 100644
--- a/components/esm4/loadhdpt.hpp
+++ b/components/esm4/loadhdpt.hpp
@@ -53,7 +53,6 @@ namespace ESM4
         std::array<std::string, 3> mTriFile;
         FormId mBaseTexture;
 
-        HeadPart();
         virtual ~HeadPart();
 
         virtual void load(ESM4::Reader& reader);
diff --git a/components/esm4/loadmstt.hpp b/components/esm4/loadmstt.hpp
index 77dc453d35..0b9873a91a 100644
--- a/components/esm4/loadmstt.hpp
+++ b/components/esm4/loadmstt.hpp
@@ -47,7 +47,6 @@ namespace ESM4
         std::int8_t mData;
         FormId mLoopingSound;
 
-        MovableStatic();
         virtual ~MovableStatic();
 
         virtual void load(ESM4::Reader& reader);
diff --git a/components/esm4/loadpgrd.hpp b/components/esm4/loadpgrd.hpp
index 9f522af5ca..74672a1f92 100644
--- a/components/esm4/loadpgrd.hpp
+++ b/components/esm4/loadpgrd.hpp
@@ -83,7 +83,6 @@ namespace ESM4
         std::vector<PGRI> mForeign;
         std::vector<PGRL> mObjects;
 
-        Pathgrid();
         virtual ~Pathgrid();
 
         virtual void load(ESM4::Reader& reader);
diff --git a/components/esm4/loadpgre.hpp b/components/esm4/loadpgre.hpp
index bb36acfc37..1929cd4c52 100644
--- a/components/esm4/loadpgre.hpp
+++ b/components/esm4/loadpgre.hpp
@@ -46,7 +46,6 @@ namespace ESM4
 
         std::string mEditorId;
 
-        PlacedGrenade();
         virtual ~PlacedGrenade();
 
         virtual void load(ESM4::Reader& reader);
diff --git a/components/esm4/loadpwat.hpp b/components/esm4/loadpwat.hpp
index e1de91ab96..b2dc2c4e00 100644
--- a/components/esm4/loadpwat.hpp
+++ b/components/esm4/loadpwat.hpp
@@ -46,7 +46,6 @@ namespace ESM4
 
         std::string mEditorId;
 
-        PlaceableWater();
         virtual ~PlaceableWater();
 
         virtual void load(ESM4::Reader& reader);