diff --git a/python/plugins/processing/algs/grass7/description/r.mapcalc.simple.txt b/python/plugins/processing/algs/grass7/description/r.mapcalc.simple.txt
new file mode 100644
index 000000000000..a4b61e27a32e
--- /dev/null
+++ b/python/plugins/processing/algs/grass7/description/r.mapcalc.simple.txt
@@ -0,0 +1,11 @@
+r.mapcalc.simple
+Calculate new raster map from a r.mapcalc expression.
+Raster (r.*)
+ParameterRaster|a|Raster layer A|False
+ParameterRaster|b|Raster layer B|True
+ParameterRaster|c|Raster layer C|True
+ParameterRaster|d|Raster layer D|True
+ParameterRaster|e|Raster layer E|True
+ParameterRaster|f|Raster layer F|True
+ParameterString|expression|Formula|A*2
+OutputRaster|output|Calculated
diff --git a/python/plugins/processing/algs/grass7/description/r.mapcalc.txt b/python/plugins/processing/algs/grass7/description/r.mapcalc.txt
deleted file mode 100644
index 06751ab650f6..000000000000
--- a/python/plugins/processing/algs/grass7/description/r.mapcalc.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-r.mapcalc
-Raster map calculator.
-Raster (r.*)
-QgsProcessingParameterMultipleLayers|maps|Raster maps used in the calculator|3|None|True
-QgsProcessingParameterString|expression|Expression to evaluate. Syntax e.g. `raster_out=raster1+raster2`. Use original filenames, without extension|None|True|True
-QgsProcessingParameterFile|file|File containing expression(s) to evaluate (same rule for raster names than above)|QgsProcessingParameterFile.File|txt|None|True
-QgsProcessingParameterString|seed|Integer seed for rand() function|None|False|True
-*QgsProcessingParameterBoolean|-s|Generate random seed (result is non-deterministic)|False
-QgsProcessingParameterFolderDestination|output_dir|Results Directory