diff --git a/Action.h b/Action.h
index c49e9dac..4c5971b6 100644
--- a/Action.h
+++ b/Action.h
@@ -54,5 +54,4 @@ extern Htop_Reaction Action_follow(State* st);
 
 extern void Action_setBindings(Htop_Action* keys);
 
-
 #endif
diff --git a/ColumnsPanel.h b/ColumnsPanel.h
index 46d20bbb..669dc027 100644
--- a/ColumnsPanel.h
+++ b/ColumnsPanel.h
@@ -28,5 +28,4 @@ extern int ColumnsPanel_fieldNameToIndex(const char* name);
 
 extern void ColumnsPanel_update(Panel* super);
 
-
 #endif
diff --git a/ListItem.h b/ListItem.h
index 7fed9237..402c5c4f 100644
--- a/ListItem.h
+++ b/ListItem.h
@@ -29,5 +29,4 @@ extern const char* ListItem_getRef(ListItem* this);
 
 extern long ListItem_compare(const void* cast1, const void* cast2);
 
-
 #endif
diff --git a/linux/IOPriority.h b/linux/IOPriority.h
index 1c9ca95b..a4733e89 100644
--- a/linux/IOPriority.h
+++ b/linux/IOPriority.h
@@ -39,5 +39,4 @@ typedef int IOPriority;
 #define IOPriority_Idle IOPriority_tuple(IOPRIO_CLASS_IDLE, 7)
 
 
-
 #endif
diff --git a/linux/IOPriorityPanel.h b/linux/IOPriorityPanel.h
index 0bf74f50..906296ed 100644
--- a/linux/IOPriorityPanel.h
+++ b/linux/IOPriorityPanel.h
@@ -17,5 +17,4 @@ extern Panel* IOPriorityPanel_new(IOPriority currPrio);
 
 extern IOPriority IOPriorityPanel_getIOPriority(Panel* this);
 
-
 #endif
diff --git a/linux/LinuxProcess.h b/linux/LinuxProcess.h
index 1e47ba28..7c0a11f8 100644
--- a/linux/LinuxProcess.h
+++ b/linux/LinuxProcess.h
@@ -189,5 +189,4 @@ extern long LinuxProcess_compare(const void* v1, const void* v2);
 
 extern bool Process_isThread(Process* this);
 
-
 #endif
diff --git a/zfs/ZfsArcMeter.h b/zfs/ZfsArcMeter.h
index c52083df..f2e322f9 100644
--- a/zfs/ZfsArcMeter.h
+++ b/zfs/ZfsArcMeter.h
@@ -15,7 +15,7 @@ in the source distribution for its full text.
 
 extern int ZfsArcMeter_attributes[];
 
-void ZfsArcMeter_readStats(Meter* this, ZfsArcStats* stats);
+extern void ZfsArcMeter_readStats(Meter* this, ZfsArcStats* stats);
 
 extern MeterClass ZfsArcMeter_class;