diff --git a/src/adxl345/javaupm_adxl345.i b/src/adxl345/javaupm_adxl345.i
index 8094f6dd..e66ee923 100644
--- a/src/adxl345/javaupm_adxl345.i
+++ b/src/adxl345/javaupm_adxl345.i
@@ -16,7 +16,6 @@
 %typemap(out) float * {
     $result = JCALL1(NewFloatArray, jenv, 3);
     JCALL4(SetFloatArrayRegion, jenv, $result, 0, 3, $1);
-    //delete [] $1;
 }
 
 
diff --git a/src/hmc5883l/javaupm_hmc5883l.i b/src/hmc5883l/javaupm_hmc5883l.i
index 75a322b1..18ec4839 100644
--- a/src/hmc5883l/javaupm_hmc5883l.i
+++ b/src/hmc5883l/javaupm_hmc5883l.i
@@ -16,7 +16,6 @@
 %typemap(out) int16_t *coordinates {
     $result = JCALL1(NewShortArray, jenv, 3);
     JCALL4(SetShortArrayRegion, jenv, $result, 0, 3, (jshort*)$1);
-    //delete [] $1;
 }
 
 %include "hmc5883l.h"
diff --git a/src/itg3200/javaupm_itg3200.i b/src/itg3200/javaupm_itg3200.i
index 1ebf1fe4..ff108311 100644
--- a/src/itg3200/javaupm_itg3200.i
+++ b/src/itg3200/javaupm_itg3200.i
@@ -30,7 +30,6 @@
 %typemap(out) int16_t *getRawValues {
     $result = JCALL1(NewShortArray, jenv, 3);
     JCALL4(SetShortArrayRegion, jenv, $result, 0, 3, (jshort*)$1);
-    //delete [] $1;
 }
 
 %include "itg3200.h"
diff --git a/src/lsm303/javaupm_lsm303.i b/src/lsm303/javaupm_lsm303.i
index bce72f72..eb99988d 100644
--- a/src/lsm303/javaupm_lsm303.i
+++ b/src/lsm303/javaupm_lsm303.i
@@ -16,7 +16,6 @@
 %typemap(out) int16_t *getRawAccelData {
     $result = JCALL1(NewShortArray, jenv, 3);
     JCALL4(SetShortArrayRegion, jenv, $result, 0, 3, (jshort*)$1);
-    //delete [] $1;
 }
 
 %include "lsm303.h"