diff --git a/Process.h b/Process.h
index d856c035..841b1291 100644
--- a/Process.h
+++ b/Process.h
@@ -158,8 +158,6 @@ typedef struct ProcessClass_ {
 #define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
 #define ONE_DECIMAL_G (ONE_DECIMAL_M * ONE_DECIMAL_K)
 
-extern char Process_pidFormat[20];
-
 void Process_setupColumnWidths();
 
 void Process_humanNumber(RichString* str, unsigned long number, bool coloring);
diff --git a/darwin/Platform.c b/darwin/Platform.c
index 2c8ed2cf..c672df0a 100644
--- a/darwin/Platform.c
+++ b/darwin/Platform.c
@@ -81,7 +81,6 @@ void Platform_setBindings(Htop_Action* keys) {
 }
 
 int Platform_numberOfFields = 100;
-char* Process_pidFormat = "%7u ";
 
 int Platform_getUptime() {
    struct timeval bootTime, currTime;
diff --git a/darwin/Platform.h b/darwin/Platform.h
index f670c7f6..6b3e3d2d 100644
--- a/darwin/Platform.h
+++ b/darwin/Platform.h
@@ -23,7 +23,6 @@ extern MeterClass* Platform_meterTypes[];
 void Platform_setBindings(Htop_Action* keys);
 
 extern int Platform_numberOfFields;
-extern char* Process_pidFormat;
 
 int Platform_getUptime();