diff --git a/addons/common/functions/fnc_canInteract.sqf b/addons/common/functions/fnc_canInteract.sqf
index bdf87b20b7..4b3e22f646 100644
--- a/addons/common/functions/fnc_canInteract.sqf
+++ b/addons/common/functions/fnc_canInteract.sqf
@@ -9,8 +9,6 @@
  */
 #include "script_component.hpp"
 
-private ["_return"];
-
 PARAMS_1(_unit);
 
 (((_unit getvariable [QGVAR(canInteract),0]) < 1) && ([_unit] call FUNC(isAwake)) && !([_unit] call FUNC(isArrested)))
\ No newline at end of file
diff --git a/addons/common/functions/fnc_changeProjectileDirection.sqf b/addons/common/functions/fnc_changeProjectileDirection.sqf
index b47ff0f96a..5a65ccff41 100644
--- a/addons/common/functions/fnc_changeProjectileDirection.sqf
+++ b/addons/common/functions/fnc_changeProjectileDirection.sqf
@@ -14,7 +14,7 @@
  */
 #include "script_component.hpp"
 
-private ["_adjustSpeed", "_vdir", "_dir", "_up", "_l", "_r", "_vup", "_vel", "_vlat"];
+private ["_adjustSpeed", "_vdir", "_dir", "_up", "_vup", "_vel", "_vlat"];
 
 PARAMS_3(_projectile,_adjustDir,_adjustUp);
 
diff --git a/addons/common/functions/fnc_debug.sqf b/addons/common/functions/fnc_debug.sqf
index b430c288a0..fd1d3d59fa 100644
--- a/addons/common/functions/fnc_debug.sqf
+++ b/addons/common/functions/fnc_debug.sqf
@@ -12,7 +12,7 @@
 #define DEFAULT_LOGGING_LEVEL -1
 #define DEFAULT_TEXT_DISPLAY -1
 
-private ["_level", "_prefix", "_defaultLoglevel","_defaultLogDisplayLevel", "_message", "_from"];
+private ["_level", "_prefix", "_defaultLoglevel","_defaultLogDisplayLevel", "_message"];
 PARAMS_1(_msg);
 _level = if (count _this > 1) then {_this select 1} else { 2 };
 
diff --git a/addons/common/functions/fnc_getTurretDirection.sqf b/addons/common/functions/fnc_getTurretDirection.sqf
index d3a49f84f1..31b68ccabc 100644
--- a/addons/common/functions/fnc_getTurretDirection.sqf
+++ b/addons/common/functions/fnc_getTurretDirection.sqf
@@ -13,7 +13,7 @@
 #include "script_component.hpp"
 
 PARAMS_2(_vehicle,_position);
-private ["_turrets", "_turret", "_config", "_turret", "_povPos", "_povDir", "_gunBeginPos", "_gunEndPos", "_pov", "_gunBeg", "_gunEnd", "_pipDir"];
+private ["_turret", "_povPos", "_povDir", "_gunBeginPos", "_gunEndPos", "_pov", "_gunBeg", "_gunEnd", "_pipDir"];
 
 _turret = [_vehicle, _position] call CBA_fnc_getTurret;
 _pov = getText (_turret >> "memoryPointGunnerOptics");
diff --git a/addons/common/functions/fnc_isAwake.sqf b/addons/common/functions/fnc_isAwake.sqf
index 01c03bfc1f..c0dd59288e 100644
--- a/addons/common/functions/fnc_isAwake.sqf
+++ b/addons/common/functions/fnc_isAwake.sqf
@@ -10,7 +10,6 @@
 
 #include "script_component.hpp"
 
-private ["_return"];
 PARAMS_1(_unit);
 
 (!(_unit getvariable ["ACE_isUnconscious",false]) && alive _unit && !(_unit getvariable ["ACE_isDead",false]));
diff --git a/addons/common/functions/fnc_moveToTempGroup.sqf b/addons/common/functions/fnc_moveToTempGroup.sqf
index 802bc2285d..be7335c705 100644
--- a/addons/common/functions/fnc_moveToTempGroup.sqf
+++ b/addons/common/functions/fnc_moveToTempGroup.sqf
@@ -10,7 +10,7 @@
 
 #include "script_component.hpp"
 
-private ["_unit","_moveTo","_previousGroup","_newGroup", "_currentGroup", "_switchToGroup"];
+private ["_unit","_moveTo","_previousGroup","_newGroup", "_currentGroup"];
 _unit = [_this, 0,ObjNull,[ObjNull]] call BIS_fnc_Param;
 _moveTo = [_this, 1,false,[false]] call BIS_fnc_Param;
 
diff --git a/addons/common/functions/fnc_removeActionEventHandler.sqf b/addons/common/functions/fnc_removeActionEventHandler.sqf
index 693741d193..805a0bdde9 100644
--- a/addons/common/functions/fnc_removeActionEventHandler.sqf
+++ b/addons/common/functions/fnc_removeActionEventHandler.sqf
@@ -13,7 +13,7 @@
  */
 #include "script_component.hpp"
 
-private ["_name", "_actionsVar", "_actionID", "_actions", "_currentID", "_actionIDs", "_count"];
+private ["_name", "_actionsVar", "_actionID", "_actions", "_currentID", "_actionIDs"];
 
 PARAMS_3(_unit,_action,_id);
 
diff --git a/addons/common/functions/fnc_resetAllDefaults.sqf b/addons/common/functions/fnc_resetAllDefaults.sqf
index 61dc11f659..3040334ad0 100644
--- a/addons/common/functions/fnc_resetAllDefaults.sqf
+++ b/addons/common/functions/fnc_resetAllDefaults.sqf
@@ -10,8 +10,6 @@
 
 #include "script_component.hpp"
 
-private ["_oldUnit","_sets"];
-
 PARAMS_1(_unit);
 
 _unit setvariable ["ACE_isDead",nil,true];
diff --git a/addons/common/functions/fnc_setDefinedVariable.sqf b/addons/common/functions/fnc_setDefinedVariable.sqf
index 54bc8d0c5f..ea8a326f21 100644
--- a/addons/common/functions/fnc_setDefinedVariable.sqf
+++ b/addons/common/functions/fnc_setDefinedVariable.sqf
@@ -10,7 +10,7 @@
 
 #include "script_component.hpp"
 
-private ["_update","_global","_definedVariable","_defaultGlobal","_currentValue"];
+private ["_global","_definedVariable"];
 
 PARAMS_3(_unit,_variable,_value);
 
diff --git a/addons/common/functions/fnc_syncedEvent.sqf b/addons/common/functions/fnc_syncedEvent.sqf
index 2ceb77b073..9100e5a19a 100644
--- a/addons/common/functions/fnc_syncedEvent.sqf
+++ b/addons/common/functions/fnc_syncedEvent.sqf
@@ -16,7 +16,7 @@
 
 PARAMS_2(_name,_args);
 
-private["_ttl", "_eventData", "_internalData", "_eventLog"];
+private["_ttl", "_eventData"];
 
 if( (count _this) > 2) then {
     _ttl = _this select 2;
diff --git a/addons/common/functions/fnc_syncedEventPFH.sqf b/addons/common/functions/fnc_syncedEventPFH.sqf
index 2762ae2656..12ce0b0141 100644
--- a/addons/common/functions/fnc_syncedEventPFH.sqf
+++ b/addons/common/functions/fnc_syncedEventPFH.sqf
@@ -7,7 +7,7 @@ if(!isServer) exitWith { false };
 // @TODO: This should be iteration limited to prevent FPS lag
 private["_data"];
 {
-    private["_data", "_ttl", "_eventLog", "_newEventLog", "_name", "_globalEventTTL"];
+    private["_data", "_eventLog", "_newEventLog", "_name", "_globalEventTTL"];
     _name = _x;
 
     _data = HASH_GET(GVAR(syncedEvents),_name);
diff --git a/addons/common/functions/fnc_timePFH.sqf b/addons/common/functions/fnc_timePFH.sqf
index ee8fe4a9bb..6385c4d05e 100644
--- a/addons/common/functions/fnc_timePFH.sqf
+++ b/addons/common/functions/fnc_timePFH.sqf
@@ -1,7 +1,7 @@
 //#define DEBUG_MODE_FULL
 #include "script_component.hpp"
 
-private["_lastTime", "_lastRealTime", "_lastVirtualTime", "_lastGameTime", "_delta"];
+private["_lastRealTime", "_lastGameTime", "_delta"];
 
 _lastRealTime = ACE_realTime;
 _lastGameTime = ACE_gameTime;