diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc3696389c..d88dd0dd35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -85,7 +85,7 @@ sundials_band.h
 
 **Breaking change**
 The following functions have had their signature updated to ensure they can leverage
-the new SUNDIALS error handling capabilties. 
+the new SUNDIALS error handling capabilties.
 
 ```c
 // From sundials_futils.h
@@ -130,7 +130,16 @@ accordingly.
 
 **Breaking change**
 Functions, types and header files that were previously deprecated have been
-removed.
+removed. In addittion the following names/symbols were replaced by ``SUN_ERR_*``
+codes:
+
+```
+SUNMAT_SUCCESS --> SUN_SUCCESS
+SUNMAT_ILL_INPUT --> SUN_ERR_ARG_*
+SUNMAT_MEM_FAIL --> SUN_ERR_MEM_FAIL
+SUNMAT_OPERATION_FAIL --> SUN_ERR_OP_FAIL
+SUNMAT_MATVEC_SETUP_REQUIRED --> SUN_ERR_OP_FAIL
+```
 
 **Breaking change**
 Users now need to link to `sundials_core` in addition to the libraries already linked to. 
diff --git a/doc/shared/sunmatrix/SUNMatrix_Operations.rst b/doc/shared/sunmatrix/SUNMatrix_Operations.rst
index 3e5331dd1d..1dc040841f 100644
--- a/doc/shared/sunmatrix/SUNMatrix_Operations.rst
+++ b/doc/shared/sunmatrix/SUNMatrix_Operations.rst
@@ -170,27 +170,3 @@ below.
    .. code-block:: c
 
       retval = SUNMatMatvec(A, x, y);
-
-
-.. _SUNMatrix.Ops.errorCodes:
-
-SUNMatrix return codes
-----------------------
-
-The functions provided to SUNMatrix modules within the SUNDIALS-provided
-SUNMatrix implementations utilize a common set of return codes, listed below.
-These adhere to a common pattern: 0 indicates success, a negative value
-indicates a failure. Aside from this pattern, the actual values of each error
-code are primarily to provide additional information to the user in case of a
-SUNMatrix failure.
-
-* ``SUN_SUCCESS`` (0) -- successful call
-
-* ``SUN_ERR_ARG_INCOMPATIBLE`` (-1) -- an illegal input has been provided to the function
-
-* ``SUN_ERR_MEM_FAIL`` (-2) -- failed memory access or allocation
-
-* ``SUN_ERR_OP_FAIL`` (-3) -- a SUNMatrix operation returned nonzero
-
-* ``SUN_ERR_OP_FAIL`` (-4) -- the :c:func:`SUNMatMatvecSetup` routine needs to be
-  called prior to calling :c:func:`SUNMatMatvec`