diff --git a/definitions/grib2/tables/0/5.0.table b/definitions/grib2/tables/0/5.0.table
index cb7fd1642..ecfd2bf47 100644
--- a/definitions/grib2/tables/0/5.0.table
+++ b/definitions/grib2/tables/0/5.0.table
@@ -3,7 +3,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/1/5.0.table b/definitions/grib2/tables/1/5.0.table
index cb7fd1642..ecfd2bf47 100644
--- a/definitions/grib2/tables/1/5.0.table
+++ b/definitions/grib2/tables/1/5.0.table
@@ -3,7 +3,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/10/5.0.table b/definitions/grib2/tables/10/5.0.table
index 44482726c..f27acb859 100644
--- a/definitions/grib2/tables/10/5.0.table
+++ b/definitions/grib2/tables/10/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 #42-49 Reserved
diff --git a/definitions/grib2/tables/11/5.0.table b/definitions/grib2/tables/11/5.0.table
index 44482726c..f27acb859 100644
--- a/definitions/grib2/tables/11/5.0.table
+++ b/definitions/grib2/tables/11/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 #42-49 Reserved
diff --git a/definitions/grib2/tables/12/5.0.table b/definitions/grib2/tables/12/5.0.table
index 8ce7bb24f..2795336df 100644
--- a/definitions/grib2/tables/12/5.0.table
+++ b/definitions/grib2/tables/12/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 # 42-49 Reserved
diff --git a/definitions/grib2/tables/13/5.0.table b/definitions/grib2/tables/13/5.0.table
index 8ce7bb24f..2795336df 100644
--- a/definitions/grib2/tables/13/5.0.table
+++ b/definitions/grib2/tables/13/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 # 42-49 Reserved
diff --git a/definitions/grib2/tables/14/5.0.table b/definitions/grib2/tables/14/5.0.table
index cd61837a5..5ec77ed0f 100644
--- a/definitions/grib2/tables/14/5.0.table
+++ b/definitions/grib2/tables/14/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing 
 3 3 Grid point data - complex packing and spatial differencing 
 4 4 Grid point data - IEEE floating point data 
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format 
 41 41 Grid point data - Portable Network Graphics (PNG) 
 # 42-49 Reserved 
diff --git a/definitions/grib2/tables/15/5.0.table b/definitions/grib2/tables/15/5.0.table
index cd61837a5..5ec77ed0f 100644
--- a/definitions/grib2/tables/15/5.0.table
+++ b/definitions/grib2/tables/15/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing 
 3 3 Grid point data - complex packing and spatial differencing 
 4 4 Grid point data - IEEE floating point data 
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format 
 41 41 Grid point data - Portable Network Graphics (PNG) 
 # 42-49 Reserved 
diff --git a/definitions/grib2/tables/16/5.0.table b/definitions/grib2/tables/16/5.0.table
index cd61837a5..5ec77ed0f 100644
--- a/definitions/grib2/tables/16/5.0.table
+++ b/definitions/grib2/tables/16/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing 
 3 3 Grid point data - complex packing and spatial differencing 
 4 4 Grid point data - IEEE floating point data 
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format 
 41 41 Grid point data - Portable Network Graphics (PNG) 
 # 42-49 Reserved 
diff --git a/definitions/grib2/tables/17/5.0.table b/definitions/grib2/tables/17/5.0.table
index cd61837a5..5ec77ed0f 100644
--- a/definitions/grib2/tables/17/5.0.table
+++ b/definitions/grib2/tables/17/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing 
 3 3 Grid point data - complex packing and spatial differencing 
 4 4 Grid point data - IEEE floating point data 
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format 
 41 41 Grid point data - Portable Network Graphics (PNG) 
 # 42-49 Reserved 
diff --git a/definitions/grib2/tables/18/5.0.table b/definitions/grib2/tables/18/5.0.table
index ad46a5377..33597681b 100644
--- a/definitions/grib2/tables/18/5.0.table
+++ b/definitions/grib2/tables/18/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing 
 3 3 Grid point data - complex packing and spatial differencing 
 4 4 Grid point data - IEEE floating point data 
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format 
 41 41 Grid point data - Portable Network Graphics (PNG) 
 42 42 Grid point data - CCSDS recommended lossless compression
diff --git a/definitions/grib2/tables/19/5.0.table b/definitions/grib2/tables/19/5.0.table
index ad46a5377..33597681b 100644
--- a/definitions/grib2/tables/19/5.0.table
+++ b/definitions/grib2/tables/19/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing 
 3 3 Grid point data - complex packing and spatial differencing 
 4 4 Grid point data - IEEE floating point data 
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format 
 41 41 Grid point data - Portable Network Graphics (PNG) 
 42 42 Grid point data - CCSDS recommended lossless compression
diff --git a/definitions/grib2/tables/2/5.0.table b/definitions/grib2/tables/2/5.0.table
index 0cf3752cb..b9b301151 100644
--- a/definitions/grib2/tables/2/5.0.table
+++ b/definitions/grib2/tables/2/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/20/5.0.table b/definitions/grib2/tables/20/5.0.table
index 74443e43a..4d6cc68c8 100644
--- a/definitions/grib2/tables/20/5.0.table
+++ b/definitions/grib2/tables/20/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 42 42 Grid point data - CCSDS recommended lossless compression
diff --git a/definitions/grib2/tables/21/5.0.table b/definitions/grib2/tables/21/5.0.table
index 74443e43a..4d6cc68c8 100644
--- a/definitions/grib2/tables/21/5.0.table
+++ b/definitions/grib2/tables/21/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 42 42 Grid point data - CCSDS recommended lossless compression
diff --git a/definitions/grib2/tables/3/5.0.table b/definitions/grib2/tables/3/5.0.table
index 0cf3752cb..b9b301151 100644
--- a/definitions/grib2/tables/3/5.0.table
+++ b/definitions/grib2/tables/3/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/4/5.0.table b/definitions/grib2/tables/4/5.0.table
index 0cf3752cb..b9b301151 100644
--- a/definitions/grib2/tables/4/5.0.table
+++ b/definitions/grib2/tables/4/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/5/5.0.table b/definitions/grib2/tables/5/5.0.table
index 62cc4a472..ccf4f88cb 100644
--- a/definitions/grib2/tables/5/5.0.table
+++ b/definitions/grib2/tables/5/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/6/5.0.table b/definitions/grib2/tables/6/5.0.table
index 62cc4a472..ccf4f88cb 100644
--- a/definitions/grib2/tables/6/5.0.table
+++ b/definitions/grib2/tables/6/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/7/5.0.table b/definitions/grib2/tables/7/5.0.table
index 62cc4a472..ccf4f88cb 100644
--- a/definitions/grib2/tables/7/5.0.table
+++ b/definitions/grib2/tables/7/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - ieee packing
-6 6 Grid point data - simple packing with pre-processing
 40 40 JPEG2000 Packing
 41 41 PNG pacling
 50 50 Spectral data -simple packing
diff --git a/definitions/grib2/tables/8/5.0.table b/definitions/grib2/tables/8/5.0.table
index c7995a965..e554b5c4b 100644
--- a/definitions/grib2/tables/8/5.0.table
+++ b/definitions/grib2/tables/8/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 #42-49 Reserved
diff --git a/definitions/grib2/tables/9/5.0.table b/definitions/grib2/tables/9/5.0.table
index c7995a965..e554b5c4b 100644
--- a/definitions/grib2/tables/9/5.0.table
+++ b/definitions/grib2/tables/9/5.0.table
@@ -4,7 +4,6 @@
 2 2 Grid point data - complex packing
 3 3 Grid point data - complex packing and spatial differencing
 4 4 Grid point data - IEEE floating point data
-6 6 Grid point data - simple packing with pre-processing
 40 40 Grid point data - JPEG 2000 code stream format
 41 41 Grid point data - Portable Network Graphics (PNG)
 #42-49 Reserved
diff --git a/definitions/grib2/template.5.6.def b/definitions/grib2/template.5.6.def
deleted file mode 100644
index 5214f812a..000000000
--- a/definitions/grib2/template.5.6.def
+++ /dev/null
@@ -1,8 +0,0 @@
-# (C) Copyright 2005- ECMWF.
-
-# Grid point data - Simple packing with preprocessing
-
-include "grib2/template.5.packing.def";
-
-codetable[1] typeOfPreProcessing   ('5.9.table',masterDir,localDir)  :edition_specific;
-ieeefloat   preProcessingParameter  : read_only;
diff --git a/definitions/grib2/template.7.6.def b/definitions/grib2/template.7.6.def
deleted file mode 100644
index f4308d128..000000000
--- a/definitions/grib2/template.7.6.def
+++ /dev/null
@@ -1,32 +0,0 @@
-# (C) Copyright 2005- ECMWF.
-
-# TEMPLATE 7.6, Grid point data - simple packing with preprocessing
-
-meta codedValues data_g2simple_packing_with_preprocessing(
-        section7Length,
-        offsetBeforeData,
-        offsetSection7,
-        unitsFactor,
-        unitsBias,
-        changingPrecision,
-        numberOfValues,
-        bitsPerValue,
-        referenceValue,
-        binaryScaleFactor,
-        decimalScaleFactor,
-        optimizeScaleFactor,
-        typeOfPreProcessing,
-        preProcessingParameter
-  ): read_only;
-
-meta values data_apply_bitmap(codedValues,
-                              bitmap,
-                              missingValue,
-                              binaryScaleFactor,
-                              numberOfDataPoints,
-                              numberOfValues) : dump;
-
-alias data.packedValues = codedValues;
-
-template statistics "common/statistics_grid.def";
-template missing_values "common/missing_values_grid.def";