# DMPlexLabelClearCells
Remove cells from a label 
## Synopsis
```
#include "petscdmplex.h"    
#include "petscdmlabel.h"   
PetscErrorCode DMPlexLabelClearCells(DM dm, DMLabel label)
```

## Input Parameters

- ***dm -*** The DM
- ***label -*** A DMLabel marking surface points and their adjacent cells



## Output Parameter

- ***label -*** A DMLabel without cells




Note: This undoes DMPlexLabelAddCells() or DMPlexLabelAddFaceCells()


## See Also
 `DMPlexLabelComplete()`, `DMPlexLabelCohesiveComplete()`, `DMPlexLabelAddCells()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/plexsubmesh.c.html#DMPlexLabelClearCells">src/dm/impls/plex/plexsubmesh.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/impls/plex/plexsubmesh.c)


[Index of all DMPlex routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
