diff --git a/data/2024_25/seminare/P-MAT/LsustredeniePF.yaml b/data/2024_25/seminare/P-MAT/LsustredeniePF.yaml
index 82d33aa..2a657ca 100644
--- a/data/2024_25/seminare/P-MAT/LsustredeniePF.yaml
+++ b/data/2024_25/seminare/P-MAT/LsustredeniePF.yaml
@@ -10,7 +10,6 @@ contestants:
   max: zs9
 places:
   - TBD
-volatile: true
 cancelled: false
 organizers:
   - p-mat
diff --git a/data/2024_25/seminare/P-MAT/LsustredeniePMM.yaml b/data/2024_25/seminare/P-MAT/LsustredeniePMM.yaml
index 8ed53d4..7fbd475 100644
--- a/data/2024_25/seminare/P-MAT/LsustredeniePMM.yaml
+++ b/data/2024_25/seminare/P-MAT/LsustredeniePMM.yaml
@@ -1,4 +1,4 @@
-name: Letné Pikomat mladší sústredenie
+name: Letné sústredenie Pikomatu mladší
 type: sustredenie
 sciences:
   - mat
@@ -9,8 +9,7 @@ contestants:
   min: zs5
   max: zs6
 places:
-  - Zliechov
-volatile: true
+  - TBD
 cancelled: false
 organizers:
   - p-mat
diff --git a/data/2024_25/seminare/P-MAT/LsustredeniePMS.yaml b/data/2024_25/seminare/P-MAT/LsustredeniePMS.yaml
index a7c9d4d..e81de92 100644
--- a/data/2024_25/seminare/P-MAT/LsustredeniePMS.yaml
+++ b/data/2024_25/seminare/P-MAT/LsustredeniePMS.yaml
@@ -1,4 +1,4 @@
-name: Letné sústredenie Pikomatu starších
+name: Letné sústredenie Pikomatu starší
 type: sustredenie
 sciences:
   - mat
@@ -10,7 +10,6 @@ contestants:
   max: zs9
 places:
   - TBD
-volatile: true
 cancelled: false
 organizers:
   - p-mat
diff --git a/data/2024_25/seminare/P-MAT/ZsustredeniePF.yaml b/data/2024_25/seminare/P-MAT/ZsustredeniePF.yaml
index 13e3ffe..0e3968a 100644
--- a/data/2024_25/seminare/P-MAT/ZsustredeniePF.yaml
+++ b/data/2024_25/seminare/P-MAT/ZsustredeniePF.yaml
@@ -10,7 +10,6 @@ contestants:
   max: zs9
 places:
   - Zliechov
-volatile: true
 cancelled: false
 organizers:
   - p-mat
diff --git a/data/2024_25/seminare/P-MAT/ZsustredeniePMM.yaml b/data/2024_25/seminare/P-MAT/ZsustredeniePMM.yaml
index 5c4c906..0bd6510 100644
--- a/data/2024_25/seminare/P-MAT/ZsustredeniePMM.yaml
+++ b/data/2024_25/seminare/P-MAT/ZsustredeniePMM.yaml
@@ -10,7 +10,6 @@ contestants:
   max: zs6
 places:
   - Lazy pod Makytou
-volatile: true
 cancelled: false
 organizers:
   - p-mat
diff --git a/data/2024_25/seminare/P-MAT/ZsustredeniePMS.yaml b/data/2024_25/seminare/P-MAT/ZsustredeniePMS.yaml
index 5b8db81..a0dcc67 100644
--- a/data/2024_25/seminare/P-MAT/ZsustredeniePMS.yaml
+++ b/data/2024_25/seminare/P-MAT/ZsustredeniePMS.yaml
@@ -10,7 +10,6 @@ contestants:
   max: zs9
 places:
   - Zliechov
-volatile: true
 cancelled: false
 organizers:
   - p-mat