diff --git a/src/lab2.md b/src/lab2.md
index 68f00ab56c7ad6dfbc2633f2d15e20084de03044..e82d186ec25bf6154d093a3b8cf862616b458a56 100644
--- a/src/lab2.md
+++ b/src/lab2.md
@@ -1,5 +1,3 @@
-Laboratorium 2
-==============
 _"Jedyne, co musisz wiedzieć, to gdzie jest biblioteka" - Albert Einstein_
 
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diff --git a/src/lab3.md b/src/lab3.md
index f21fb2c9b8ac9bd3a2cf275d2049ad6c3cc9b975..9871003f61024559d95b6f0ecf5c956f754a642d 100644
--- a/src/lab3.md
+++ b/src/lab3.md
@@ -1,6 +1,3 @@
-Laboratorium 3
-==============
-
 ---
 
 Z tego laboratorium przygotowujesz sprawozdanie. Przygotowujesz je na zajęciach, a przy 
diff --git a/src/lab4.md b/src/lab4.md
index 77a85d80828ac0bb888aaa874fe27bf3a038f0a7..424aec38659b07fd59325142aa5306c8b631a8ae 100644
--- a/src/lab4.md
+++ b/src/lab4.md
@@ -1,5 +1,3 @@
-Laboratorium 4
-==============
 _"Quidquid latine dictum, altum videtur"_
 
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