diff --git a/src/hmtrp/pyupm_hmtrp.i b/src/hmtrp/pyupm_hmtrp.i
index 656fc9a5..3898382c 100644
--- a/src/hmtrp/pyupm_hmtrp.i
+++ b/src/hmtrp/pyupm_hmtrp.i
@@ -6,6 +6,9 @@
 %include "../carrays_uint16_t.i"
 %include "../carrays_uint32_t.i"
 
+%rename("getModSignalStrengthNoParam")  getModSignalStrength();
+%rename("getRFSignalStrengthNoParam") getRFSignalStrength();
+
 %feature("autodoc", "3");
 
 %include "hmtrp.h"
diff --git a/src/wt5001/pyupm_wt5001.i b/src/wt5001/pyupm_wt5001.i
index 5193baf8..aa0089d6 100644
--- a/src/wt5001/pyupm_wt5001.i
+++ b/src/wt5001/pyupm_wt5001.i
@@ -5,6 +5,11 @@
 %include "../carrays_uint8_t.i"
 %include "../carrays_uint16_t.i"
 
+%rename("getVolumeNoParam")  getVolume();
+%rename("getPlayStateNoParam") getPlayState();
+%rename("getNumFilesOneParam")  getNumFiles(WT5001_PLAYSOURCE_T psrc);
+%rename("getCurrentFileNoParam") getCurrentFile();
+
 %feature("autodoc", "3");
 
 %{