diff --git a/TaskA04/solution.py b/TaskA04/solution.py
index d3c93a8..f4b202c 100644
--- a/TaskA04/solution.py
+++ b/TaskA04/solution.py
@@ -1,33 +1,5 @@
 import sys
 
-def solve(lines):
-    # from 0 to n-6
-    date_f = "19XX r."
-    date_l = len(date_f)
-    
-    res = []
-    for l in lines:
-        # acc = []
-
-        j = 0
-        for i in range(len(l)):
-            c = l[i]
-
-            if j == date_l:
-                # acc.append(l[i-j: i])
-                res.append(l)
-                break
-            elif c == date_f[j] \
-                or (j in (2, 3) and c.isdigit()):
-                j += 1
-                continue
-
-            j = 0
-
-        # res.append(" ".join(acc))
-    # return "\n".join(res)
-    return "".join(res)
-
 # detect numbers. separate numbers by spaces
 def solve(lines):
     res = []