diff --git a/src/FDM/SP/ADA.hxx b/src/FDM/SP/ADA.hxx
index f5e524856..532cfb7f3 100644
--- a/src/FDM/SP/ADA.hxx
+++ b/src/FDM/SP/ADA.hxx
@@ -31,7 +31,7 @@ class FGADA: public FGInterface {
 private:
 	
     SGSocket *fdmsock;
-
+#if 0
     // Auxilliary Flight Model parameters, basically for HUD
     double        aux1;           // auxilliary flag
     double        aux2;           // auxilliary flag
@@ -63,7 +63,7 @@ private:
     int         iaux10;           // auxilliary flag
     int         iaux11;           // auxilliary flag
     int         iaux12;           // auxilliary flag
-
+#endif
     // copy FDM state to FGADA structures
     bool copy_to_FGADA();
 
diff --git a/src/FDM/UIUCModel/uiuc_menu_functions.cpp b/src/FDM/UIUCModel/uiuc_menu_functions.cpp
index 6e8845392..c0dd3b2ef 100644
--- a/src/FDM/UIUCModel/uiuc_menu_functions.cpp
+++ b/src/FDM/UIUCModel/uiuc_menu_functions.cpp
@@ -77,9 +77,9 @@ bool check_float( const string &token)
 
 void d_2_to_3( double array2D[100][100], double array3D[][100][100], int index3D)
 {
-  for (register int i=0; i<=99; i++)
+  for (int i=0; i<=99; i++)
     {
-      for (register int j=1; j<=99; j++)
+      for (int j=1; j<=99; j++)
         {
           array3D[index3D][i][j]=array2D[i][j];
         }
@@ -88,7 +88,7 @@ void d_2_to_3( double array2D[100][100], double array3D[][100][100], int index3D
 
 void d_1_to_2( double array1D[100], double array2D[][100], int index2D)
 {
-  for (register int i=0; i<=99; i++)
+  for (int i=0; i<=99; i++)
     {
       array2D[index2D][i]=array1D[i];
     }
@@ -96,7 +96,7 @@ void d_1_to_2( double array1D[100], double array2D[][100], int index2D)
 
 void d_1_to_1( double array1[100], double array2[100] )
 {
-  for (register int i=0; i<=99; i++)
+  for (int i=0; i<=99; i++)
     {
       array2[i]=array1[i];
     }
@@ -104,7 +104,7 @@ void d_1_to_1( double array1[100], double array2[100] )
 
 void i_1_to_2( int array1D[100], int array2D[][100], int index2D)
 {
-  for (register int i=0; i<=99; i++)
+  for (int i=0; i<=99; i++)
     {
       array2D[index2D][i]=array1D[i];
     }