diff --git a/Sources/Plasma/PubUtilLib/plAudio/plWin32StreamingSound.h b/Sources/Plasma/PubUtilLib/plAudio/plWin32StreamingSound.h
index 98ac679e..f100ee24 100644
--- a/Sources/Plasma/PubUtilLib/plAudio/plWin32StreamingSound.h
+++ b/Sources/Plasma/PubUtilLib/plAudio/plWin32StreamingSound.h
@@ -33,7 +33,6 @@ class plDSoundBuffer;
 class DSoundCallbackHandle;
 class plAudioFileReader;
 class plStreamingSoundThread;
-enum CallbackHandleType;
 class plSoundDeswizzler;
 
 class plWin32StreamingSound : public plWin32Sound
diff --git a/Sources/Plasma/PubUtilLib/plAudioCore/plSoundBuffer.cpp b/Sources/Plasma/PubUtilLib/plAudioCore/plSoundBuffer.cpp
index eb1d6ef7..e6a3b3c2 100644
--- a/Sources/Plasma/PubUtilLib/plAudioCore/plSoundBuffer.cpp
+++ b/Sources/Plasma/PubUtilLib/plAudioCore/plSoundBuffer.cpp
@@ -36,7 +36,6 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "plFile/plFileUtils.h"
 #include "plFile/hsFiles.h"
 #include "plUnifiedTime/plUnifiedTime.h"
-#include "pnUtils/pnUtils.h"
 #include "plStatusLog/plStatusLog.h"
 #include "hsTimer.h"
 
diff --git a/Sources/Plasma/PubUtilLib/plAvatar/plAGMasterMod.h b/Sources/Plasma/PubUtilLib/plAvatar/plAGMasterMod.h
index 641e0d88..a4626e47 100644
--- a/Sources/Plasma/PubUtilLib/plAvatar/plAGMasterMod.h
+++ b/Sources/Plasma/PubUtilLib/plAvatar/plAGMasterMod.h
@@ -227,7 +227,6 @@ protected:
     plAnimVector fPrivateAnims;
 
     // animations that require AnimTimeConvert state to be synched
-    typedef std::vector<plAGAnim*> plAnimVector;
     plInstanceVector fATCAnimInstances;
     
     hsBool fFirstEval;
diff --git a/Sources/Plasma/PubUtilLib/plAvatar/plArmatureMod.h b/Sources/Plasma/PubUtilLib/plAvatar/plArmatureMod.h
index 0c481880..1a00dbca 100644
--- a/Sources/Plasma/PubUtilLib/plAvatar/plArmatureMod.h
+++ b/Sources/Plasma/PubUtilLib/plAvatar/plArmatureMod.h
@@ -66,6 +66,7 @@ class plAGChannel;
 class plClothingOutfit;
 class plClothingSDLModifier;
 class plAvatarSDLModifier;
+class plAvatarPhysicalSDLModifier;
 class plMatrixDelayedCorrectionApplicator;
 class plMatrixDifferenceApp;
 class plDebugText;
diff --git a/Sources/Plasma/PubUtilLib/plAvatar/plAvBrain.h b/Sources/Plasma/PubUtilLib/plAvatar/plAvBrain.h
index 1083f58e..b2f0db7a 100644
--- a/Sources/Plasma/PubUtilLib/plAvatar/plAvBrain.h
+++ b/Sources/Plasma/PubUtilLib/plAvatar/plAvBrain.h
@@ -39,6 +39,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include <deque>
 
 class plArmatureModBase;
+class plArmatureMod;
 class plArmatureBehavior;
 class plHKAction;
 class plAvTask;
diff --git a/Sources/Plasma/PubUtilLib/plInterp/plAnimTimeConvert.h b/Sources/Plasma/PubUtilLib/plInterp/plAnimTimeConvert.h
index be6fec21..d484cfc0 100644
--- a/Sources/Plasma/PubUtilLib/plInterp/plAnimTimeConvert.h
+++ b/Sources/Plasma/PubUtilLib/plInterp/plAnimTimeConvert.h
@@ -39,6 +39,7 @@ class plATCEaseCurve;
 class plATCState;
 class plATCAnim;
 class plAGMasterMod;
+class plAGAnimInstance;
 
 class plAnimTimeConvert : public plCreatable
 {