diff --git a/python/plugins/processing/algs/gdal/gdal2xyz.py b/python/plugins/processing/algs/gdal/gdal2xyz.py
index 29b37a6b868..82dac004455 100644
--- a/python/plugins/processing/algs/gdal/gdal2xyz.py
+++ b/python/plugins/processing/algs/gdal/gdal2xyz.py
@@ -29,8 +29,8 @@ from qgis.core import (QgsProcessing,
                        QgsProcessingParameterRasterLayer,
                        QgsProcessingParameterBand,
                        QgsProcessingParameterBoolean,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputFile)
+                       QgsProcessingParameterFileDestination
+                       )
 from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
 from processing.algs.gdal.GdalUtils import GdalUtils
 from processing.tools.system import isWindows
@@ -58,7 +58,6 @@ class gdal2xyz(GdalAlgorithm):
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT,
                                                                 self.tr('XYZ ASCII file'),
                                                                 self.tr('CSV files (*.csv)')))
-        self.addOutput(QgsProcessingOutputFile(self.OUTPUT, self.tr('XYZ ASCII file')))
 
     def name(self):
         return 'gdal2xyz'
diff --git a/python/plugins/processing/algs/gdal/gdalinfo.py b/python/plugins/processing/algs/gdal/gdalinfo.py
index 1096afe9b5e..16a44a18562 100644
--- a/python/plugins/processing/algs/gdal/gdalinfo.py
+++ b/python/plugins/processing/algs/gdal/gdalinfo.py
@@ -30,8 +30,7 @@ import os
 from qgis.PyQt.QtGui import QIcon
 from qgis.core import (QgsProcessingParameterRasterLayer,
                        QgsProcessingParameterBoolean,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
 from processing.algs.gdal.GdalUtils import GdalUtils
 
@@ -69,7 +68,6 @@ class gdalinfo(GdalAlgorithm):
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT,
                                                                 self.tr('Layer information'),
                                                                 self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Layer information')))
 
     def name(self):
         return 'gdalinfo'
diff --git a/python/plugins/processing/algs/gdal/ogrinfo.py b/python/plugins/processing/algs/gdal/ogrinfo.py
index f1b2eeb5378..81766dba5a9 100644
--- a/python/plugins/processing/algs/gdal/ogrinfo.py
+++ b/python/plugins/processing/algs/gdal/ogrinfo.py
@@ -28,8 +28,7 @@ __revision__ = '$Format:%H$'
 
 from qgis.core import (QgsProcessingParameterVectorLayer,
                        QgsProcessingParameterBoolean,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
 from processing.algs.gdal.GdalUtils import GdalUtils
 
@@ -57,7 +56,6 @@ class ogrinfo(GdalAlgorithm):
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT,
                                                                 self.tr('Layer information'),
                                                                 self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Layer information')))
 
     def name(self):
         return 'ogrinfo'
diff --git a/python/plugins/processing/algs/grass7/Grass7Algorithm.py b/python/plugins/processing/algs/grass7/Grass7Algorithm.py
index 29722f797ed..2a5f7fa51cd 100644
--- a/python/plugins/processing/algs/grass7/Grass7Algorithm.py
+++ b/python/plugins/processing/algs/grass7/Grass7Algorithm.py
@@ -59,10 +59,6 @@ from qgis.core import (Qgis,
                        QgsProcessingParameterFileDestination,
                        QgsProcessingParameterFile,
                        QgsProcessingParameterFolderDestination,
-                       QgsProcessingOutputFolder,
-                       QgsProcessingOutputVectorLayer,
-                       QgsProcessingOutputRasterLayer,
-                       QgsProcessingOutputHtml,
                        QgsProcessingUtils)
 from qgis.utils import iface
 
@@ -178,10 +174,6 @@ class Grass7Algorithm(QgsProcessingAlgorithm):
         for p in self.params:
             # We use createOutput argument for automatic output creation
             res = self.addParameter(p, True)
-            # File destinations are not automatically added as outputs
-            if (isinstance(p, QgsProcessingParameterFileDestination)
-                    and p.defaultFileExtension().lower() == 'html'):
-                self.addOutput(QgsProcessingOutputHtml(p.name(), p.description()))
 
     def defineCharacteristicsFromFile(self):
         """
diff --git a/python/plugins/processing/algs/qgis/BarPlot.py b/python/plugins/processing/algs/qgis/BarPlot.py
index e498c543645..134f50a956d 100644
--- a/python/plugins/processing/algs/qgis/BarPlot.py
+++ b/python/plugins/processing/algs/qgis/BarPlot.py
@@ -31,8 +31,7 @@ import plotly.graph_objs as go
 
 from qgis.core import (QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 from processing.tools import vector
 
@@ -65,8 +64,6 @@ class BarPlot(QgisAlgorithm):
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Bar plot'), self.tr('HTML files (*.html)')))
 
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Bar plot')))
-
     def name(self):
         return 'barplot'
 
diff --git a/python/plugins/processing/algs/qgis/BasicStatistics.py b/python/plugins/processing/algs/qgis/BasicStatistics.py
index 0cc21efb614..8c5684ac331 100644
--- a/python/plugins/processing/algs/qgis/BasicStatistics.py
+++ b/python/plugins/processing/algs/qgis/BasicStatistics.py
@@ -38,7 +38,6 @@ from qgis.core import (QgsStatisticalSummary,
                        QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
                        QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml,
                        QgsProcessingOutputNumber)
 
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
@@ -98,7 +97,6 @@ class BasicStatisticsForField(QgisAlgorithm):
                                                       None, self.INPUT_LAYER, QgsProcessingParameterField.Any))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT_HTML_FILE, self.tr('Statistics'), self.tr('HTML files (*.html)'), None, True))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT_HTML_FILE, self.tr('Statistics')))
 
         self.addOutput(QgsProcessingOutputNumber(self.COUNT, self.tr('Count')))
         self.addOutput(QgsProcessingOutputNumber(self.UNIQUE, self.tr('Number of unique values')))
diff --git a/python/plugins/processing/algs/qgis/BoxPlot.py b/python/plugins/processing/algs/qgis/BoxPlot.py
index d3c3d51be03..0c3a8038cb9 100644
--- a/python/plugins/processing/algs/qgis/BoxPlot.py
+++ b/python/plugins/processing/algs/qgis/BoxPlot.py
@@ -32,7 +32,6 @@ from qgis.core import (QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
                        QgsProcessingParameterEnum,
                        QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml,
                        QgsFeatureRequest)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 from processing.tools import vector
@@ -76,7 +75,6 @@ class BoxPlot(QgisAlgorithm):
             options=msd, defaultValue=0))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Box plot'), self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Box plot')))
 
     def name(self):
         return 'boxplot'
diff --git a/python/plugins/processing/algs/qgis/MeanAndStdDevPlot.py b/python/plugins/processing/algs/qgis/MeanAndStdDevPlot.py
index 5e44550a6de..c63beeceba2 100644
--- a/python/plugins/processing/algs/qgis/MeanAndStdDevPlot.py
+++ b/python/plugins/processing/algs/qgis/MeanAndStdDevPlot.py
@@ -31,8 +31,7 @@ import plotly.graph_objs as go
 from qgis.core import (QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
                        QgsProcessingUtils,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 
 from processing.tools import vector
@@ -64,7 +63,6 @@ class MeanAndStdDevPlot(QgisAlgorithm):
                                                       self.tr('Value field'), parentLayerParameterName=self.INPUT))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Plot'), self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Plot')))
 
     def name(self):
         return 'meanandstandarddeviationplot'
diff --git a/python/plugins/processing/algs/qgis/NearestNeighbourAnalysis.py b/python/plugins/processing/algs/qgis/NearestNeighbourAnalysis.py
index 85b07065be6..0b9731a4e1e 100644
--- a/python/plugins/processing/algs/qgis/NearestNeighbourAnalysis.py
+++ b/python/plugins/processing/algs/qgis/NearestNeighbourAnalysis.py
@@ -37,7 +37,6 @@ from qgis.core import (QgsFeatureRequest,
                        QgsProcessing,
                        QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml,
                        QgsProcessingOutputNumber,
                        QgsSpatialIndex)
 
@@ -73,7 +72,6 @@ class NearestNeighbourAnalysis(QgisAlgorithm):
                                                               self.tr('Input layer'), [QgsProcessing.TypeVectorPoint]))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT_HTML_FILE, self.tr('Nearest neighbour'), self.tr('HTML files (*.html)'), None, True))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT_HTML_FILE, self.tr('Nearest neighbour')))
 
         self.addOutput(QgsProcessingOutputNumber(self.OBSERVED_MD,
                                                  self.tr('Observed mean distance')))
diff --git a/python/plugins/processing/algs/qgis/PolarPlot.py b/python/plugins/processing/algs/qgis/PolarPlot.py
index 5d918edef63..63be7543cd5 100644
--- a/python/plugins/processing/algs/qgis/PolarPlot.py
+++ b/python/plugins/processing/algs/qgis/PolarPlot.py
@@ -31,8 +31,7 @@ import numpy as np
 
 from qgis.core import (QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 from processing.tools import vector
 
@@ -62,7 +61,6 @@ class PolarPlot(QgisAlgorithm):
                                                       self.tr('Value field'), parentLayerParameterName=self.INPUT))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Polar plot'), self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Polar plot')))
 
     def name(self):
         return 'polarplot'
diff --git a/python/plugins/processing/algs/qgis/RasterLayerHistogram.py b/python/plugins/processing/algs/qgis/RasterLayerHistogram.py
index b9e3c0b7095..e0ba4b59534 100644
--- a/python/plugins/processing/algs/qgis/RasterLayerHistogram.py
+++ b/python/plugins/processing/algs/qgis/RasterLayerHistogram.py
@@ -31,8 +31,7 @@ import plotly.graph_objs as go
 from qgis.core import (QgsProcessingParameterRasterLayer,
                        QgsProcessingParameterBand,
                        QgsProcessingParameterNumber,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 from processing.tools import raster
 
@@ -64,7 +63,6 @@ class RasterLayerHistogram(QgisAlgorithm):
                                                        self.tr('number of bins'), minValue=2, defaultValue=10))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Histogram'), self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Histogram')))
 
     def name(self):
         return 'rasterlayerhistogram'
diff --git a/python/plugins/processing/algs/qgis/RasterLayerStatistics.py b/python/plugins/processing/algs/qgis/RasterLayerStatistics.py
index 492bbe514b6..db18cbc5a7e 100644
--- a/python/plugins/processing/algs/qgis/RasterLayerStatistics.py
+++ b/python/plugins/processing/algs/qgis/RasterLayerStatistics.py
@@ -32,7 +32,6 @@ from qgis.core import (QgsRectangle,
                        QgsProcessingParameterRasterLayer,
                        QgsProcessingParameterBand,
                        QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml,
                        QgsProcessingOutputNumber)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 
@@ -68,7 +67,6 @@ class RasterLayerStatistics(QgisAlgorithm):
                                                      1,
                                                      self.INPUT))
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT_HTML_FILE, self.tr('Statistics'), self.tr('HTML files (*.html)'), None, True))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT_HTML_FILE, self.tr('Statistics')))
 
         self.addOutput(QgsProcessingOutputNumber(self.MIN, self.tr('Minimum value')))
         self.addOutput(QgsProcessingOutputNumber(self.MAX, self.tr('Maximum value')))
diff --git a/python/plugins/processing/algs/qgis/UniqueValues.py b/python/plugins/processing/algs/qgis/UniqueValues.py
index 7b82f55ad7c..ab2956b2f09 100644
--- a/python/plugins/processing/algs/qgis/UniqueValues.py
+++ b/python/plugins/processing/algs/qgis/UniqueValues.py
@@ -42,8 +42,7 @@ from qgis.core import (QgsCoordinateReferenceSystem,
                        QgsProcessingParameterFeatureSink,
                        QgsProcessingOutputNumber,
                        QgsProcessingOutputString,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 
@@ -81,7 +80,6 @@ class UniqueValues(QgisAlgorithm):
         self.addParameter(QgsProcessingParameterFeatureSink(self.OUTPUT, self.tr('Unique values'), optional=True, defaultValue=''))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT_HTML_FILE, self.tr('HTML report'), self.tr('HTML files (*.html)'), None, True))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT_HTML_FILE, self.tr('HTML report')))
         self.addOutput(QgsProcessingOutputNumber(self.TOTAL_VALUES, self.tr('Total unique values')))
         self.addOutput(QgsProcessingOutputString(self.UNIQUE_VALUES, self.tr('Unique values')))
 
diff --git a/python/plugins/processing/algs/qgis/VectorLayerHistogram.py b/python/plugins/processing/algs/qgis/VectorLayerHistogram.py
index b87fec33329..cbc63040656 100644
--- a/python/plugins/processing/algs/qgis/VectorLayerHistogram.py
+++ b/python/plugins/processing/algs/qgis/VectorLayerHistogram.py
@@ -31,8 +31,7 @@ import plotly.graph_objs as go
 from qgis.core import (QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
                        QgsProcessingParameterNumber,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 from processing.tools import vector
 
@@ -63,7 +62,6 @@ class VectorLayerHistogram(QgisAlgorithm):
                                                        self.tr('number of bins'), minValue=2, defaultValue=10))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Histogram'), self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Histogram')))
 
     def name(self):
         return 'vectorlayerhistogram'
diff --git a/python/plugins/processing/algs/qgis/VectorLayerScatterplot.py b/python/plugins/processing/algs/qgis/VectorLayerScatterplot.py
index 4019728a077..a4383176380 100644
--- a/python/plugins/processing/algs/qgis/VectorLayerScatterplot.py
+++ b/python/plugins/processing/algs/qgis/VectorLayerScatterplot.py
@@ -31,8 +31,7 @@ import plotly.graph_objs as go
 from qgis.core import (QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
                        QgsProcessingUtils,
-                       QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml)
+                       QgsProcessingParameterFileDestination)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 from processing.tools import vector
 
@@ -66,7 +65,6 @@ class VectorLayerScatterplot(QgisAlgorithm):
                                                       type=QgsProcessingParameterField.Numeric))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Scatterplot'), self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Scatterplot')))
 
     def name(self):
         return 'vectorlayerscatterplot'
diff --git a/python/plugins/processing/algs/qgis/VectorLayerScatterplot3D.py b/python/plugins/processing/algs/qgis/VectorLayerScatterplot3D.py
index b0df450be99..df4878c0bfe 100644
--- a/python/plugins/processing/algs/qgis/VectorLayerScatterplot3D.py
+++ b/python/plugins/processing/algs/qgis/VectorLayerScatterplot3D.py
@@ -31,7 +31,6 @@ import plotly.graph_objs as go
 from qgis.core import (QgsProcessingParameterFeatureSource,
                        QgsProcessingParameterField,
                        QgsProcessingParameterFileDestination,
-                       QgsProcessingOutputHtml,
                        QgsProcessingUtils)
 from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
 
@@ -72,7 +71,6 @@ class VectorLayerScatterplot3D(QgisAlgorithm):
                                                       type=QgsProcessingParameterField.Numeric))
 
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT, self.tr('Histogram'), self.tr('HTML files (*.html)')))
-        self.addOutput(QgsProcessingOutputHtml(self.OUTPUT, self.tr('Histogram')))
 
     def name(self):
         return 'scatter3dplot'