diff --git a/app/src/main/java/com/schoolapp/cleverclass/PSEActivity.kt b/app/src/main/java/com/schoolapp/cleverclass/PSEActivity.kt
index ec3390a..062e90a 100644
--- a/app/src/main/java/com/schoolapp/cleverclass/PSEActivity.kt
+++ b/app/src/main/java/com/schoolapp/cleverclass/PSEActivity.kt
@@ -93,14 +93,6 @@ private val colors = listOf(
 private val shells = listOf(
     "K", "L", "M", "N", "O", "P", "Q"
 )
-private val groups = listOf(
-    "",
-    "I", "II",
-    "", "", "", "", "", "", "", "", "", "", "", "", "", "",
-    "IIIb", "IVb", "Vb", "VIb", "VIIb", "VIIIb", "VIIIb", "VIIIb", "Ib", "IIb",
-    "III", "IV", "V", "VI", "VII", "VIII",
-    ""
-)
 
 // Content of PSE
 @OptIn(ExperimentalMaterial3Api::class)
@@ -175,15 +167,9 @@ fun PSEMainContent(activity: ComponentActivity) {
         ) {
             var dialogCounter = 0
 
-            Row {
-                groups.forEach { element ->
-                    InformationBox(text = element, color = MaterialTheme.colorScheme.onBackground, false)
-                }
-            }
-
             for (row in 0..6) {
                 Row {
-                    InformationBox(text = (row + 1).toString(), color = MaterialTheme.colorScheme.onBackground, true)
+                    InformationBox(text = (row + 1).toString(), color = MaterialTheme.colorScheme.onBackground)
 
                     for (element in 0..31) {
                         val index = row * 32 + element
@@ -213,7 +199,7 @@ fun PSEMainContent(activity: ComponentActivity) {
                         }
                     }
 
-                    InformationBox(text = shells[row], color = colors[row], true)
+                    InformationBox(text = shells[row], color = colors[row])
                 }
             }
         }
@@ -279,13 +265,13 @@ fun PSEMainContent(activity: ComponentActivity) {
 }
 
 @Composable
-fun InformationBox(text: String, color: Color, outline: Boolean){
+fun InformationBox(text: String, color: Color){
     Box(modifier = Modifier
         .padding(3.dp)
         .size(60.dp)
         .border(
             width = 1.dp,
-            color = if (outline) MaterialTheme.colorScheme.primaryContainer else Color.Transparent
+            color = MaterialTheme.colorScheme.primaryContainer
         )
     ) {
         Text(