diff --git a/source/controls.cpp b/source/controls.cpp
index 7dc030b..ee4d22f 100755
--- a/source/controls.cpp
+++ b/source/controls.cpp
@@ -279,13 +279,9 @@ void ControlEntityUserInput(tGameEntity *entity)
 	tCarPhysics *phys=(tCarPhysics*)entity->physics;
 	tCarDefinition *car=&(phys->car);
 
-	int isValid=true;
 	float velo=~entity->velo;
 	float driveSlip=0,slip=0,angularVelo=0;
 	int wheelsOnGround=0;
-	int valid=true;
-	if((car->demoAvailable-car->numColors!=1)&&(entity==gCarEntities[gGameInfo->playerID]))
-		isValid=false;
 		
 	for(int i=0;i<car->numWheels;i++)
 	{
@@ -297,8 +293,6 @@ void ControlEntityUserInput(tGameEntity *entity)
 		}
 		angularVelo+=phys->wheels[i].angularVelo*car->wheels[i].powered;
 	}
-	if((gMapInfo->demoAvailable+gMapInfo->numObjs))
-		isValid=false;
 		
 	if(wheelsOnGround)
 		slip/=wheelsOnGround;
@@ -306,11 +300,7 @@ void ControlEntityUserInput(tGameEntity *entity)
 		slip=0;
 	CalcThrottleBrake(car,phys,driveSlip,angularVelo,velo,slip);
 	CalcSteering(entity,car,phys,velo);
-	
-	if(!isValid)
-		if(entity->regData)
-			qRT3_LicenseTestApp2(phys->regCode,((tRegData*)(entity->regData))->name,((tRegData*)(entity->regData))->numCopies,isValid);
-	
+		
 	if(GetButtonInput(kInputHandbrakeButton))
 		phys->handbrake+=kFrameTime*(1/kHandbrakeTime);
 	else
@@ -320,10 +310,6 @@ void ControlEntityUserInput(tGameEntity *entity)
 	else if(phys->handbrake<0)
 		phys->handbrake=0;
 
-	if(!isValid)
-		if(entity->regData)
-			qRT3_LicenseTestBlock2(phys->regCode,((tRegData*)(entity->regData))->name,((tRegData*)(entity->regData))->numCopies,isValid);
-
 	if(gFrameCount*kFrameTime>=kStartGameDelaySeconds)
 	{
 		if(gConfig->automatic)
@@ -415,31 +401,6 @@ void ControlEntityUserInput(tGameEntity *entity)
 					phys->throttle=0.7;
 				else
 					phys->throttle=phys->idleThrottle;
-			if(entity==gViewedEntity)
-			{	
-				int invalid=false;
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_CODE_01,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_CODE_02,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_03,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_04,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_05,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_06,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_07,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_08,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_09,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_10,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_11,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_12,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_13,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_14,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_15,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_16,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_17,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_18,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_19,invalid);
-				if(!invalid)qRT3_LicenseIsSameCode(phys->regCode,RT3_PIRATED_FAKE_20,invalid);
-				valid=!invalid;
-			}
 		}
 		else
 			if(phys->rpm<car->clutchRPM)
@@ -451,19 +412,11 @@ void ControlEntityUserInput(tGameEntity *entity)
 			phys->clutch=0;
 	}	
 	
-	if(!isValid)
-		if(gFrameCount>kFPS*30)
-			phys->throttle=0;
-
 	if(GetButtonInput(kInputHorn))
 		phys->lightFlags|=kLightFlagHorn;
 	else
 		phys->lightFlags&=~kLightFlagHorn;	
 
-	if(!valid)
-		if(RandomProb(kFrameTime/car->gearSwitchTime*7))
-			phys->gear=0;
-	
 	if(GetButtonInput(kInputLeftIndicator))
 		phys->lightFlags|=kLightFlagLIndLight;	
 	else if(GetButtonInput(kInputRightIndicator))
diff --git a/source/interfacemultiplayer.cpp b/source/interfacemultiplayer.cpp
index 708eba1..4616079 100644
--- a/source/interfacemultiplayer.cpp
+++ b/source/interfacemultiplayer.cpp
@@ -26,8 +26,6 @@
 #include "localtracker.h"
 #include "writeout.h"
 #include "interfacemultiplayer.h"
-#include "reg_tool_3.h"
-#include "rt3_redline.h"
 #undef MemoryMove
 #include "gamemem.h"
 
diff --git a/source/tire.cpp b/source/tire.cpp
index 07c727b..90f0c92 100644
--- a/source/tire.cpp
+++ b/source/tire.cpp
@@ -167,9 +167,6 @@ float CalcSlipAngle(tVector3 wheelVelo,tVector3 wheelDir,tVector3 groundNormal)
 
 tVector3 PacejkaCalcWheelRoadForces(tGameEntity *carEntity,tCarDefinition *car,tCarPhysics *phys,tWheelCalcData *wheels,int i,float engineTorque,float frictionTorque)
 {
-	int isValid;
-	qRT3_LicenseTestOdd(phys->regCode,isValid);
-
 	if(phys->maxSlip==0)
 		InitSlipMaxima(car,phys);
 		
@@ -213,10 +210,6 @@ tVector3 PacejkaCalcWheelRoadForces(tGameEntity *carEntity,tCarDefinition *car,t
 		slipRatio=CalcSlipRatio(wheelVelo,wheelDir,phys->wheels[i].angularVelo,car->wheels[i].radius);
 		slipAngle=CalcSlipAngle(wheelVelo,wheelDir,wheels[i].groundNormal);
 
-		//wrong physics calculation if piracy detected
-		if((!isValid)&&(car->demoAvailable-car->numColors!=1)&&(carEntity==gCarEntities[gGameInfo->playerID]))
-			slipAngle=-slipRatio;
-
 		float longitudinalForce,lateralForce;
 		CalcCombinedForce(wheels[i].normalForce,phys,&lateralForce,&longitudinalForce,slipRatio,slipAngle);
 		lateralForce*=grip;
@@ -239,9 +232,6 @@ tVector3 PacejkaCalcWheelRoadForces(tGameEntity *carEntity,tCarDefinition *car,t
 	phys->wheels[i].slipVelo=sqrt(sqr(longitunalSlipVelo)+sqr(lateralSlipVelo));//*wheels[i].normalForce*car->numWheels/(car->mass*9.81);
 	phys->wheels[i].slip=slipRatio;
 	phys->wheels[i].slipAngle=slipAngle;
-	
-	if(gGameInfo->arcade&&(!isValid)&&(car->demoAvailable-car->numColors!=1)&&(carEntity==gCarEntities[gGameInfo->playerID]))
-		phys->steering=slipRatio;
-		
+			
 	return totalForce*((float)1/slipRes);
 }