diff --git a/Tools/px4params/srcparser.py b/Tools/px4params/srcparser.py
index 183c0cb3c9..d743627f0f 100644
--- a/Tools/px4params/srcparser.py
+++ b/Tools/px4params/srcparser.py
@@ -129,8 +129,7 @@ class Parameter(object):
         Return list of existing bitmask codes in convenient order
         """
         keys = self.bitmask.keys()
-        keys.sort(key=float)
-        return keys
+        return sorted(keys, key=float)
 
     def GetBitmaskBit(self, index):
         """
diff --git a/src/platforms/posix/drivers/df_ak8963_wrapper/df_ak8963_wrapper.cpp b/src/platforms/posix/drivers/df_ak8963_wrapper/df_ak8963_wrapper.cpp
index f3954e32cb..34ae326b68 100644
--- a/src/platforms/posix/drivers/df_ak8963_wrapper/df_ak8963_wrapper.cpp
+++ b/src/platforms/posix/drivers/df_ak8963_wrapper/df_ak8963_wrapper.cpp
@@ -53,6 +53,7 @@
 #include <systemlib/err.h>
 
 #include <drivers/drv_mag.h>
+#include <drivers/drv_hrt.h>
 
 #include <uORB/topics/parameter_update.h>
 
diff --git a/src/platforms/posix/drivers/df_ms5607_wrapper/df_ms5607_wrapper.cpp b/src/platforms/posix/drivers/df_ms5607_wrapper/df_ms5607_wrapper.cpp
index c02c708f5d..ec59f23a3d 100644
--- a/src/platforms/posix/drivers/df_ms5607_wrapper/df_ms5607_wrapper.cpp
+++ b/src/platforms/posix/drivers/df_ms5607_wrapper/df_ms5607_wrapper.cpp
@@ -53,6 +53,7 @@
 #include <systemlib/err.h>
 
 #include <drivers/drv_baro.h>
+#include <drivers/drv_hrt.h>
 
 #include <board_config.h>