diff --git a/src/808x.c b/src/808x.c
index f53b3df..83d06b6 100644
--- a/src/808x.c
+++ b/src/808x.c
@@ -29,13 +29,21 @@ uint64_t xt_cpu_multi;
 int nmi = 0;
 int nmi_auto_clear = 0;
 
-int nextcyc=0;
-int cycdiff;
+int oldcpl;
+
+int tempc;
+static int noint=0;
+
+int output=0;
+int timetolive=0;
+int ins=0;
+
 int is8086=0;
 
+int nextcyc=0;
 int memcycs;
-int nopageerrors=0;
 
+static int cycdiff;
 void FETCHCOMPLETE();
 
 #define IRQTEST ((cpu_state.flags & I_FLAG) && (pic.pend&~pic.mask) && !noint)
@@ -88,15 +96,6 @@ void writememl(uint32_t s, uint32_t a, uint32_t v)
 }
 
 
-int oldcpl;
-
-int tempc;
-uint16_t pc2,pc3;
-static int noint=0;
-
-int output=0;
-
-int ins=0;
 //#define readmemb(a) (((a)<0xA0000)?ram[a]:readmembl(a))
 
 int fetchcycles=0,memcycs,fetchclocks;
@@ -475,7 +474,6 @@ void makeznptable()
       
 //      makemod1table();
 }
-int timetolive=0;
 
 int indump = 0;
 
@@ -492,7 +490,6 @@ void dumpregs()
 //        savenvr();
 //        return;
         chdir(logs_path);
-        nopageerrors=1;
 /*        f=fopen("rram3.dmp","wb");
         for (c=0;c<0x8000000;c++) putc(readmemb(c+0x10000000),f);
         fclose(f);*/
@@ -599,12 +596,10 @@ void dumpregs()
         indump = 0;
 }
 
-int resets = 0;
 int x86_was_reset = 0;
 void resetx86()
 {
         pclog("x86 reset\n");
-        resets++;
         ins = 0;
         use32=0;
         cpu_cur_status = 0;
@@ -1109,11 +1104,8 @@ void rep(int fv)
 
 
 static int inhlt=0;
-int firstrepcycle;
 static int skipnextprint=0;
 
-int instime=0;
-//#if 0
 void execx86(int cycs)
 {
         uint8_t temp,temp2;
@@ -1133,10 +1125,6 @@ void execx86(int cycs)
         {
                 uint8_t opcode;
                 
-//                old83=old82;
-//                old82=old8;
-//                if (pc==0x96B && cs==0x9E040) { printf("Hit it\n"); output=1; timetolive=150; }
-//                if (pc<0x8000) printf("%04X : %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %02X %04X %i\n",pc,AX,BX,CX,DX,cs>>4,ds>>4,es>>4,ss>>4,DI,SI,BP,SP,opcode,flags,disctime);
                 cycdiff=cycles;
                 current_diff = 0;
                 cycles-=nextcyc;
diff --git a/src/Makefile.am b/src/Makefile.am
index 040b85e..fdd7857 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -124,10 +124,18 @@ pcem_LDADD += wx.res
 endif
 
 if !HAS_OFF64T
-pcem_CFLAGS += -Doff64_t=off_t -Dfopen64=fopen -Dfseeko64=fseek -Dftello64=ftell
+#pcem_CFLAGS += -Doff64_t=off_t -Dfopen64=fopen -Dfseeko64=fseek -Dftello64=ftell
 endif
 
 if RELEASE_BUILD
 pcem_CFLAGS += -DRELEASE_BUILD
 pcem_CXXFLAGS += -DRELEASE_BUILD
 endif
+
+pcem_CFLAGS += -mtune=cortex-a53
+pcem_CXXFLAGS += -mtune=cortex-a53
+#pcem_LDFLAGS = -flto -O3 -mtune=cortex-a15
+
+# pcem_CFLAGS += -fprofile-use
+# pcem_CXXFLAGS += -fprofile-use
+# pcem_LDFLAGS = -fprofile-use
diff --git a/src/ibm.h b/src/ibm.h
index 7978dc2..74498ef 100644
--- a/src/ibm.h
+++ b/src/ibm.h
@@ -209,7 +209,6 @@ COMPILE_TIME_ASSERT(sizeof(cpu_state) <= 128);
 uint32_t oldds,oldss,olddslimit,oldsslimit,olddslimitw,oldsslimitw;
 
 extern int ins,output;
-extern int cycdiff;
 
 x86seg gdt,ldt,idt,tr;
 x86seg _oldds;
diff --git a/src/mem.h b/src/mem.h
index 3bffffd..e55aece 100644
--- a/src/mem.h
+++ b/src/mem.h
@@ -35,7 +35,6 @@ extern uint8_t *ram,*rom;
 extern uint8_t romext[32768];
 extern int readlnum,writelnum;
 extern int memspeed[11];
-extern int nopageerrors;
 extern uint32_t biosmask;
 
 void mem_mapping_add(mem_mapping_t *mapping,
diff --git a/src/pc.c b/src/pc.c
index f770211..49d58ee 100644
--- a/src/pc.c
+++ b/src/pc.c
@@ -561,8 +561,6 @@ void runpc()
                 cpu_recomp_evicted_latched = cpu_recomp_evicted;
                 cpu_recomp_reuse_latched = cpu_recomp_reuse;
                 cpu_recomp_removed_latched = cpu_recomp_removed;
-                cpu_reps_latched = cpu_reps;
-                cpu_notreps_latched = cpu_notreps;
 
                 cpu_recomp_blocks = 0;
                 cpu_state.cpu_recomp_ins = 0;
@@ -572,8 +570,6 @@ void runpc()
                 cpu_recomp_evicted = 0;
                 cpu_recomp_reuse = 0;
                 cpu_recomp_removed = 0;
-                cpu_reps = 0;
-                cpu_notreps = 0;
 
                 updatestatus=1;
                 readlnum=writelnum=0;