diff --git a/EnvScreen.c b/EnvScreen.c
index ae63d3e8..0cdc4cac 100644
--- a/EnvScreen.c
+++ b/EnvScreen.c
@@ -14,15 +14,6 @@
 #include "XUtils.h"
 
 
-const InfoScreenClass EnvScreen_class = {
-   .super = {
-      .extends = Class(Object),
-      .delete = EnvScreen_delete
-   },
-   .scan = EnvScreen_scan,
-   .draw = EnvScreen_draw
-};
-
 EnvScreen* EnvScreen_new(Process* process) {
    EnvScreen* this = xMalloc(sizeof(EnvScreen));
    Object_setClass(this, Class(EnvScreen));
@@ -33,11 +24,11 @@ void EnvScreen_delete(Object* this) {
    free(InfoScreen_done((InfoScreen*)this));
 }
 
-void EnvScreen_draw(InfoScreen* this) {
+static void EnvScreen_draw(InfoScreen* this) {
    InfoScreen_drawTitled(this, "Environment of process %d - %s", this->process->pid, Process_getCommand(this->process));
 }
 
-void EnvScreen_scan(InfoScreen* this) {
+static void EnvScreen_scan(InfoScreen* this) {
    Panel* panel = this->display;
    int idx = MAXIMUM(Panel_getSelectedIndex(panel), 0);
 
@@ -59,3 +50,12 @@ void EnvScreen_scan(InfoScreen* this) {
    Vector_insertionSort(panel->items);
    Panel_setSelected(panel, idx);
 }
+
+const InfoScreenClass EnvScreen_class = {
+   .super = {
+      .extends = Class(Object),
+      .delete = EnvScreen_delete
+   },
+   .scan = EnvScreen_scan,
+   .draw = EnvScreen_draw
+};
diff --git a/EnvScreen.h b/EnvScreen.h
index bf385801..66d263fc 100644
--- a/EnvScreen.h
+++ b/EnvScreen.h
@@ -15,8 +15,4 @@ EnvScreen* EnvScreen_new(Process* process);
 
 void EnvScreen_delete(Object* this);
 
-void EnvScreen_draw(InfoScreen* this);
-
-void EnvScreen_scan(InfoScreen* this);
-
 #endif