diff --git a/packages/core/src/robotcode/core/utils/path.py b/packages/core/src/robotcode/core/utils/path.py
index 35f181453..c9394d53c 100644
--- a/packages/core/src/robotcode/core/utils/path.py
+++ b/packages/core/src/robotcode/core/utils/path.py
@@ -1,3 +1,4 @@
+import functools
 import os
 import re
 import sys
@@ -61,6 +62,7 @@ def normalized_path_full(path: Union[str, "os.PathLike[str]"]) -> Path:
     return Path(*parents)
 
 
+@functools.lru_cache(maxsize=100_000)
 def same_file(path1: Union[str, "os.PathLike[str]", Path], path2: Union[str, "os.PathLike[str]", Path]) -> bool:
     try:
         return os.path.samefile(path1, path2)
diff --git a/packages/robot/src/robotcode/robot/utils/variables.py b/packages/robot/src/robotcode/robot/utils/variables.py
index 877d6612b..9e4076f02 100644
--- a/packages/robot/src/robotcode/robot/utils/variables.py
+++ b/packages/robot/src/robotcode/robot/utils/variables.py
@@ -215,7 +215,7 @@ def is_variable(string: str, identifiers: str = "$@&") -> bool:
     return cast(bool, robot_is_variable(string, identifiers))
 
 
-@functools.lru_cache(maxsize=1024)
+@functools.lru_cache(maxsize=100_000)
 def search_variable(
     string: str, identifiers: str = "$@&%*", parse_type: bool = False, ignore_errors: bool = False
 ) -> VariableMatcher: