Redundant local variable
Reports an unnecessary local variable that does not make a function more comprehensible:
a local variable that is immediately returned
a local variable that is immediately assigned to another variable and is not used anymore
a local variable that always has the same value as another local variable or parameter.
Locating this inspection
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
UnnecessaryLocalVariableJS- Via Settings dialog
Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.
Use the checkbox below to have this inspection ignore variables that are immediately returned or thrown. Some coding styles suggest using such variables for clarity and ease of debugging.
Inspection ID: UnnecessaryLocalVariableJS
Inspection options
Here you can find the description of settings available for the Redundant local variable inspection, and the reference of their default values.
- Ignore immediately returned or thrown variables
Option ID:
m_ignoreImmediatelyReturnedVariablesDefault value:
Not selected
Suppressing Inspection
You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
Inspection Details | |
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By default bundled with: | CLion 2026.1, GoLand 2026.1, IntelliJ IDEA 2026.1, JetBrains Rider 2025.3, PhpStorm 2026.1, PyCharm 2026.1, Qodana for .NET 2025.3, Qodana for Go 2026.1, Qodana for JS 2026.1, Qodana for JVM 2026.1, Qodana for PHP 2026.1, Qodana for Ruby 2026.1, RubyMine 2026.1, WebStorm 2026.1 |