diff --git a/build/lib/pgBackRestBuild/Config/Data.pm b/build/lib/pgBackRestBuild/Config/Data.pm
index c60966fc4..7f2aa53ba 100644
--- a/build/lib/pgBackRestBuild/Config/Data.pm
+++ b/build/lib/pgBackRestBuild/Config/Data.pm
@@ -695,18 +695,6 @@ my %hConfigDefine =
         &CFGDEF_NEGATE => false,
     },
 
-    &CFGOPT_DELTA =>
-    {
-        &CFGDEF_TYPE => CFGDEF_TYPE_BOOLEAN,
-        &CFGDEF_COMMAND =>
-        {
-            &CFGCMD_RESTORE =>
-            {
-                &CFGDEF_DEFAULT => false,
-            }
-        }
-    },
-
     &CFGOPT_FORCE =>
     {
         &CFGDEF_TYPE => CFGDEF_TYPE_BOOLEAN,
@@ -1116,6 +1104,19 @@ my %hConfigDefine =
         }
     },
 
+    &CFGOPT_DELTA =>
+    {
+        &CFGDEF_SECTION => CFGDEF_SECTION_GLOBAL,
+        &CFGDEF_TYPE => CFGDEF_TYPE_BOOLEAN,
+        &CFGDEF_COMMAND =>
+        {
+            &CFGCMD_RESTORE =>
+            {
+                &CFGDEF_DEFAULT => false,
+            }
+        }
+    },
+
     &CFGOPT_COMPRESS =>
     {
         &CFGDEF_SECTION => CFGDEF_SECTION_GLOBAL,
diff --git a/doc/xml/reference.xml b/doc/xml/reference.xml
index a79d654d5..a2296e0a6 100644
--- a/doc/xml/reference.xml
+++ b/doc/xml/reference.xml
@@ -677,6 +677,15 @@
                         <example>db_main</example>
                     </config-key>
 
+                    <!-- CONFIG - RESTORE SECTION - DELTA OPTION -->
+                    <config-key id="delta" name="Delta">
+                        <summary>Restore using delta.</summary>
+
+                        <text>By default the <postgres/> data and tablespace directories are expected to be present but empty.  This option performs a delta restore using checksums.</text>
+
+                        <example>y</example>
+                    </config-key>
+
                     <!-- CONFIG - RESTORE SECTION - LINK-ALL KEY -->
                     <config-key id="link-all" name="Link All">
                         <summary>Restore all symlinks.</summary>
@@ -1030,15 +1039,6 @@
                         <example>20150131-153358F_20150131-153401I</example>
                     </option>
 
-                    <!-- OPERATION - RESTORE COMMAND - DELTA OPTION -->
-                    <option id="delta" name="Delta">
-                        <summary>Restore using delta.</summary>
-
-                        <text>By default the <postgres/> data and tablespace directories are expected to be present but empty.  This option performs a delta restore using checksums.</text>
-
-                        <example>y</example>
-                    </option>
-
                     <!-- OPERATION - RESTORE COMMAND - FORCE OPTION -->
                     <option id="force" name="Force">
                         <summary>Force a restore.</summary>
diff --git a/doc/xml/release.xml b/doc/xml/release.xml
index e1cc22ab5..930d28c21 100644
--- a/doc/xml/release.xml
+++ b/doc/xml/release.xml
@@ -45,6 +45,14 @@
                     <release-item>
                         <p>Improve support for special characters in filenames.</p>
                     </release-item>
+
+                    <release-item>
+                        <release-item-contributor-list>
+                            <release-item-contributor id="cynthia.shang"/>
+                        </release-item-contributor-list>
+
+                        <p>Allow <br-option>delta</br-option> option to be specified in the <backrest/> configuration file.</p>
+                    </release-item>
                 </release-improvement-list>
 
                 <release-development-list>
diff --git a/src/config/define.auto.c b/src/config/define.auto.c
index 7d0e2391c..3552a015f 100644
--- a/src/config/define.auto.c
+++ b/src/config/define.auto.c
@@ -974,13 +974,21 @@ static ConfigDefineOptionData configDefineOptionData[] = CFGDEFDATA_OPTION_LIST
     (
         CFGDEFDATA_OPTION_NAME("delta")
         CFGDEFDATA_OPTION_REQUIRED(true)
-        CFGDEFDATA_OPTION_SECTION(cfgDefSectionCommandLine)
+        CFGDEFDATA_OPTION_SECTION(cfgDefSectionGlobal)
         CFGDEFDATA_OPTION_TYPE(cfgDefOptTypeBoolean)
         CFGDEFDATA_OPTION_INTERNAL(false)
 
         CFGDEFDATA_OPTION_INDEX_TOTAL(1)
         CFGDEFDATA_OPTION_SECURE(false)
 
+        CFGDEFDATA_OPTION_HELP_SECTION("restore")
+        CFGDEFDATA_OPTION_HELP_SUMMARY("Restore using delta.")
+        CFGDEFDATA_OPTION_HELP_DESCRIPTION
+        (
+            "By default the PostgreSQL data and tablespace directories are expected to be present but empty. This option performs "
+                "a delta restore using checksums."
+        )
+
         CFGDEFDATA_OPTION_COMMAND_LIST
         (
             CFGDEFDATA_OPTION_COMMAND(cfgDefCmdRestore)
@@ -993,13 +1001,6 @@ static ConfigDefineOptionData configDefineOptionData[] = CFGDEFDATA_OPTION_LIST
                 CFGDEFDATA_OPTION_OPTIONAL_COMMAND(cfgDefCmdRestore)
 
                 CFGDEFDATA_OPTION_OPTIONAL_DEFAULT("0")
-
-                CFGDEFDATA_OPTION_OPTIONAL_HELP_SUMMARY("Restore using delta.")
-                CFGDEFDATA_OPTION_OPTIONAL_HELP_DESCRIPTION
-                (
-                    "By default the PostgreSQL data and tablespace directories are expected to be present but empty. This option "
-                        "performs a delta restore using checksums."
-                )
             )
         )
     )
diff --git a/src/config/parse.auto.c b/src/config/parse.auto.c
index 317eb6764..a1e19c843 100644
--- a/src/config/parse.auto.c
+++ b/src/config/parse.auto.c
@@ -258,6 +258,14 @@ static const struct option optionList[] =
         .name = "delta",
         .val = PARSE_OPTION_FLAG | cfgOptDelta,
     },
+    {
+        .name = "no-delta",
+        .val = PARSE_OPTION_FLAG | PARSE_NEGATE_FLAG | cfgOptDelta,
+    },
+    {
+        .name = "reset-delta",
+        .val = PARSE_OPTION_FLAG | PARSE_RESET_FLAG | cfgOptDelta,
+    },
 
     // exclude option
     // -----------------------------------------------------------------------------------------------------------------------------