diff --git a/docs/components/secure-partition-manager.rst b/docs/components/secure-partition-manager.rst
index cd439ad..f0caf89 100644
--- a/docs/components/secure-partition-manager.rst
+++ b/docs/components/secure-partition-manager.rst
@@ -150,9 +150,6 @@
   at EL3.
 - If neither ``SPMD_SPM_AT_SEL2`` or ``SPMC_AT_EL3`` are enabled the SPMC
   exception level is set to S-EL1.
-- **CTX_INCLUDE_EL2_REGS**: this option permits saving (resp.
-  restoring) the EL2 system register context before entering (resp.
-  after leaving) the SPMC. It is mandatorily enabled when
   ``SPMD_SPM_AT_SEL2`` is enabled. The context save/restore routine
   and exhaustive list of registers is visible at `[4]`_.
 - **SP_LAYOUT_FILE**: this option specifies a text description file
@@ -161,16 +158,16 @@
   is required when ``SPMD_SPM_AT_SEL2`` is enabled hence when multiple
   secure partitions are to be loaded by BL2 on behalf of the SPMC.
 
-+---------------+----------------------+------------------+-------------+
-|               | CTX_INCLUDE_EL2_REGS | SPMD_SPM_AT_SEL2 | SPMC_AT_EL3 |
-+---------------+----------------------+------------------+-------------+
-| SPMC at S-EL1 |         0            |        0         |      0      |
-+---------------+----------------------+------------------+-------------+
-| SPMC at S-EL2 |         1            | 1 (default when  |      0      |
-|               |                      |    SPD=spmd)     |             |
-+---------------+----------------------+------------------+-------------+
-| SPMC at EL3   |         0            |        0         |      1      |
-+---------------+----------------------+------------------+-------------+
++---------------+------------------+-------------+-------------------------+
+|               | SPMD_SPM_AT_SEL2 | SPMC_AT_EL3 | CTX_INCLUDE_EL2_REGS(*) |
++---------------+------------------+-------------+-------------------------+
+| SPMC at S-EL1 |        0         |      0      |             0           |
++---------------+------------------+-------------+-------------------------+
+| SPMC at S-EL2 | 1 (default when  |      0      |             1           |
+|               |    SPD=spmd)     |             |                         |
++---------------+------------------+-------------+-------------------------+
+| SPMC at EL3   |        0         |      1      |             0           |
++---------------+------------------+-------------+-------------------------+
 
 Other combinations of such build options either break the build or are not
 supported.
@@ -181,9 +178,9 @@
   stack.
 - When ``SPMD_SPM_AT_SEL2=1``, the reference software stack assumes enablement
   of FEAT_PAuth, FEAT_BTI and FEAT_MTE architecture extensions.
-- The ``CTX_INCLUDE_EL2_REGS`` option provides the generic support for
-  barely saving/restoring EL2 registers from an Arm arch perspective. As such
-  it is decoupled from the ``SPD=spmd`` option.
+- ``(*) CTX_INCLUDE_EL2_REGS``, this flag is |TF-A| internal and informational
+  in this table. When set, it provides the generic support for saving/restoring
+  EL2 registers required when S-EL2 firmware is present.
 - BL32 option is re-purposed to specify the SPMC image. It can specify either
   the Hafnium binary path (built for the secure world) or the path to a TEE
   binary implementing FF-A interfaces.
@@ -212,7 +209,6 @@
     CROSS_COMPILE=aarch64-none-elf- \
     PLAT=fvp \
     SPD=spmd \
-    CTX_INCLUDE_EL2_REGS=1 \
     ARM_ARCH_MINOR=5 \
     BRANCH_PROTECTION=1 \
     CTX_INCLUDE_PAUTH_REGS=1 \
@@ -230,7 +226,6 @@
     CROSS_COMPILE=aarch64-none-elf- \
     PLAT=fvp \
     SPD=spmd \
-    CTX_INCLUDE_EL2_REGS=1 \
     ARM_ARCH_MINOR=5 \
     BRANCH_PROTECTION=1 \
     CTX_INCLUDE_PAUTH_REGS=1 \
diff --git a/docs/getting_started/build-internals.rst b/docs/getting_started/build-internals.rst
new file mode 100644
index 0000000..a015d71
--- /dev/null
+++ b/docs/getting_started/build-internals.rst
@@ -0,0 +1,14 @@
+Internal Build Options
+======================
+
+|TF-A| internally uses certain options that are not exposed directly through
+:ref:`build-options <build options>` but enabled or disabled indirectly and
+depends on certain options to be enabled or disabled.
+
+.. _build_options_internal:
+
+-  ``CTX_INCLUDE_EL2_REGS``: This boolean option provides context save/restore
+   operations when entering/exiting an EL2 execution context. This is of primary
+   interest when Armv8.4-SecEL2 or RME extension is implemented.
+   Default is 0 (disabled). This option will be set to 1 (enabled) when ``SPD=spmd``
+   and ``SPMD_SPM_AT_SEL2`` is set or when ``ENABLE_RME`` is set to 1 (enabled).
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 402de13..7cd9b2b 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -164,12 +164,6 @@
    is on hardware that does not implement AArch32, or at least not at EL1 and
    higher ELs). Default value is 1.
 
--  ``CTX_INCLUDE_EL2_REGS`` : This boolean option provides context save/restore
-   operations when entering/exiting an EL2 execution context. This is of primary
-   interest when Armv8.4-SecEL2 extension is implemented. Default is 0 (disabled).
-   This option must be equal to 1 (enabled) when ``SPD=spmd`` and
-   ``SPMD_SPM_AT_SEL2`` is set.
-
 -  ``CTX_INCLUDE_FPREGS``: Boolean option that, when set to 1, will cause the FP
    registers to be included when saving and restoring the CPU context. Default
    is 0.
diff --git a/docs/getting_started/index.rst b/docs/getting_started/index.rst
index 3fbf48d..5ebabea 100644
--- a/docs/getting_started/index.rst
+++ b/docs/getting_started/index.rst
@@ -10,6 +10,7 @@
    initial-build
    tools-build
    build-options
+   build-internals
    image-terminology
    porting-guide
    psci-lib-integration-guide