diff --git a/src/h3lis331dl/javaupm_h3lis331dl.i b/src/h3lis331dl/javaupm_h3lis331dl.i
index b20c525d..cd766fab 100644
--- a/src/h3lis331dl/javaupm_h3lis331dl.i
+++ b/src/h3lis331dl/javaupm_h3lis331dl.i
@@ -6,6 +6,7 @@
 %apply int *OUTPUT { int *x, int *y, int*z };
 %apply float *OUTPUT { float *aX, float *aY, float *aZ  };
 
+%ignore i2cContext;
 
 %{
     #include "h3lis331dl.h"
diff --git a/src/pn532/javaupm_pn532.i b/src/pn532/javaupm_pn532.i
index 85f02566..87476612 100644
--- a/src/pn532/javaupm_pn532.i
+++ b/src/pn532/javaupm_pn532.i
@@ -3,6 +3,7 @@
 %include "arrays_java.i"
 
 %apply unsigned char[] {uint8_t *};
+%ignore i2cContext;
 
 %{
     #include "pn532.h"