diff --git a/doc/src/Errors_messages.txt b/doc/src/Errors_messages.txt
index a74182967cc7f49987f0256c7427ded847dd5985..695b949f7eda5f8565f2253e6bf4a9e91a877406 100644
--- a/doc/src/Errors_messages.txt
+++ b/doc/src/Errors_messages.txt
@@ -1092,11 +1092,6 @@ correct. :dd
 The specified file cannot be opened.  Check that the path and name are
 correct. :dd
 
-{Cannot open fix ave/spatial file %s} :dt
-
-The specified file cannot be opened.  Check that the path and name are
-correct. :dd
-
 {Cannot open fix ave/time file %s} :dt
 
 The specified file cannot be opened.  Check that the path and name are
@@ -1677,10 +1672,6 @@ provided by an atom map.  An atom map does not exist (by default) for
 non-molecular problems.  Using the atom_modify map command will force
 an atom map to be created. :dd
 
-{Cannot use fix ave/spatial z for 2 dimensional model} :dt
-
-Self-explanatory. :dd
-
 {Cannot use fix bond/break with non-molecular systems} :dt
 
 Only systems with bonds that can be changed can be used.  Atom_style
@@ -2425,10 +2416,6 @@ Self-explanatory. :dd
 
 Self-explanatory. :dd
 
-{Compute ID for fix ave/spatial does not exist} :dt
-
-Self-explanatory. :dd
-
 {Compute ID for fix ave/time does not exist} :dt
 
 Self-explanatory. :dd
@@ -4074,10 +4061,6 @@ Self-explanatory. :dd
 
 Self-explanatory. :dd
 
-{Fix ID for fix ave/spatial does not exist} :dt
-
-Self-explanatory. :dd
-
 {Fix ID for fix ave/time does not exist} :dt
 
 Self-explanatory. :dd
@@ -4379,51 +4362,6 @@ same style. :dd
 
 Self-explanatory. :dd
 
-{Fix ave/spatial compute does not calculate a per-atom array} :dt
-
-Self-explanatory. :dd
-
-{Fix ave/spatial compute does not calculate a per-atom vector} :dt
-
-A compute used by fix ave/spatial must generate per-atom values. :dd
-
-{Fix ave/spatial compute does not calculate per-atom values} :dt
-
-A compute used by fix ave/spatial must generate per-atom values. :dd
-
-{Fix ave/spatial compute vector is accessed out-of-range} :dt
-
-The index for the vector is out of bounds. :dd
-
-{Fix ave/spatial fix does not calculate a per-atom array} :dt
-
-Self-explanatory. :dd
-
-{Fix ave/spatial fix does not calculate a per-atom vector} :dt
-
-A fix used by fix ave/spatial must generate per-atom values. :dd
-
-{Fix ave/spatial fix does not calculate per-atom values} :dt
-
-A fix used by fix ave/spatial must generate per-atom values. :dd
-
-{Fix ave/spatial fix vector is accessed out-of-range} :dt
-
-The index for the vector is out of bounds. :dd
-
-{Fix ave/spatial for triclinic boxes requires units reduced} :dt
-
-Self-explanatory. :dd
-
-{Fix ave/spatial settings invalid with changing box size} :dt
-
-If the box size changes, only the units reduced option can be
-used. :dd
-
-{Fix ave/spatial variable is not atom-style variable} :dt
-
-A variable used by fix ave/spatial must generate per-atom values. :dd
-
 {Fix ave/time cannot set output array intensive/extensive from these inputs} :dt
 
 One of more of the vector inputs has individual elements which are
diff --git a/doc/src/Errors_warnings.txt b/doc/src/Errors_warnings.txt
index 98b66f2aa569040bea2ea260b3cb37ddd84764f2..0980120a103afc51005a54f3b9a68f441098f42c 100644
--- a/doc/src/Errors_warnings.txt
+++ b/doc/src/Errors_warnings.txt
@@ -291,24 +291,6 @@ This may cause accuracy problems. :dd
 
 This may cause accuracy problems. :dd
 
-{Fix thermal/conductivity comes before fix ave/spatial} :dt
-
-The order of these 2 fixes in your input script is such that fix
-thermal/conductivity comes first.  If you are using fix ave/spatial to
-measure the temperature profile induced by fix viscosity, then this
-may cause a glitch in the profile since you are averaging immediately
-after swaps have occurred.  Flipping the order of the 2 fixes
-typically helps. :dd
-
-{Fix viscosity comes before fix ave/spatial} :dt
-
-The order of these 2 fixes in your input script is such that
-fix viscosity comes first.  If you are using fix ave/spatial
-to measure the velocity profile induced by fix viscosity, then
-this may cause a glitch in the profile since you are averaging
-immediately after swaps have occurred.  Flipping the order
-of the 2 fixes typically helps. :dd
-
 {Fixes cannot send data in Kokkos communication, switching to classic communication} :dt
 
 This is current restriction with Kokkos. :dd