diff --git a/src/LedControl.cpp b/src/LedControl.cpp
index ced71085..8ae48242 100644
--- a/src/LedControl.cpp
+++ b/src/LedControl.cpp
@@ -97,11 +97,11 @@ void LedControl::setIntensity(int addr, int intensity) {
 }
 
 void LedControl::clearDisplay(int addr) {
-    int offset;
-
     if(addr<0 || addr>=maxDevices)
         return;
-    offset=addr*8;
+#ifndef MF_REDUCE_FUNCT_LEDCONTROL
+    int offset=addr*8;
+#endif
     for(int i=0;i<8;i++) {
 #ifndef MF_REDUCE_FUNCT_LEDCONTROL
         status[offset+i]=0;
@@ -123,7 +123,7 @@ void LedControl::setLed(int addr, int row, int column, boolean state) {
     if(row<0 || row>7 || column<0 || column>7)
         return;
     offset=addr*8;
-    val=B10000000 >> column;
+    val=0b10000000 >> column;
     if(state)
         status[offset+row]=status[offset+row]|val;
     else {
@@ -160,17 +160,17 @@ void LedControl::setColumn(int addr, int col, byte value) {
 #endif
 
 void LedControl::setDigit(int addr, int digit, byte value, boolean dp) {
-    int offset;
-    byte v;
-
     if(addr<0 || addr>=maxDevices)
         return;
     if(digit<0 || digit>7 || value>15)
         return;
-    offset=addr*8;
+#ifndef MF_REDUCE_FUNCT_LEDCONTROL
+    int offset=addr*8;
+#endif
+    byte v;
     v=pgm_read_byte_near(charTable + value); 
     if(dp)
-        v|=B10000000;
+        v|=0b10000000;
 #ifndef MF_REDUCE_FUNCT_LEDCONTROL
     status[offset+digit]=v;
 #endif
@@ -178,14 +178,15 @@ void LedControl::setDigit(int addr, int digit, byte value, boolean dp) {
 }
 
 void LedControl::setChar(int addr, int digit, char value, boolean dp) {
-    int offset;
-    byte index,v;
-
     if(addr<0 || addr>=maxDevices)
         return;
     if(digit<0 || digit>7)
         return;
-    offset=addr*8;
+#ifndef MF_REDUCE_FUNCT_LEDCONTROL
+    int offset=addr*8;
+#endif
+    byte index,v;
+
     index=(byte)value;
     if(index >127) {
         //nothing define we use the space char
@@ -193,7 +194,7 @@ void LedControl::setChar(int addr, int digit, char value, boolean dp) {
     }
     v=pgm_read_byte_near(charTable + index); 
     if(dp)
-        v|=B10000000;
+        v|=0b10000000;
 #ifndef MF_REDUCE_FUNCT_LEDCONTROL
     status[offset+digit]=v;
 #endif
diff --git a/src/LedControl.h b/src/LedControl.h
index cc1729a8..dfd8559b 100644
--- a/src/LedControl.h
+++ b/src/LedControl.h
@@ -27,13 +27,7 @@
 #ifndef LedControl_h
 #define LedControl_h
 
-#include <avr/pgmspace.h>
-
-#if (ARDUINO >= 100)
 #include <Arduino.h>
-#else
-#include <WProgram.h>
-#endif
 
 /*
  * Segments to be switched on for characters and digits on