5 files changed, 33 insertions, 30 deletions
diff --git a/hugolib/cascade_test.go b/hugolib/cascade_test.go
index fb9dffd15..3e3e471b7 100644
--- a/hugolib/cascade_test.go
+++ b/hugolib/cascade_test.go
@@ -938,3 +938,30 @@ path = '/p1'
 
 	b.AssertFileContent("public/p1/index.html", "p1|bar") // actual content is "p1|"
 }
+
+func TestCascadeWarnOverrideIssue13806(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+disableKinds = ['home','rss','section','sitemap','taxonomy','term']
+[[cascade]]
+[cascade.params]
+searchable = true
+[cascade.target]
+kind = 'page'
+-- content/something.md --
+---
+title: Something
+params:
+  searchable: false
+---
+-- layouts/all.html --
+All.
+
+`
+
+	b := Test(t, files, TestOptWarn())
+
+	b.AssertLogContains("! WARN")
+}
diff --git a/hugolib/page__meta.go b/hugolib/page__meta.go
index 0d6d22e9a..1af489f18 100644
--- a/hugolib/page__meta.go
+++ b/hugolib/page__meta.go
@@ -29,7 +29,6 @@ import (
 
 	"github.com/gohugoio/hugo/source"
 
-	"github.com/gohugoio/hugo/common/constants"
 	"github.com/gohugoio/hugo/common/hashing"
 	"github.com/gohugoio/hugo/common/hugo"
 	"github.com/gohugoio/hugo/common/loggers"
@@ -647,9 +646,6 @@ params:
 	}
 
 	for k, v := range userParams {
-		if _, found := params[k]; found {
-			p.s.Log.Warnidf(constants.WarnFrontMatterParamsOverrides, "Hugo front matter key %q is overridden in params section.", k)
-		}
 		params[strings.ToLower(k)] = v
 	}
 
diff --git a/hugolib/params_test.go b/hugolib/params_test.go
index 94b832b3e..7f7566024 100644
--- a/hugolib/params_test.go
+++ b/hugolib/params_test.go
@@ -94,28 +94,6 @@ a/b pages: {{ range $ab.RegularPages }}{{ .Path }}|{{ .RelPermalink }}|{{ end }}
 	)
 }
 
-func TestFrontMatterTitleOverrideWarn(t *testing.T) {
-	t.Parallel()
-
-	files := `
--- hugo.toml --
-baseURL = "https://example.org/"
-disableKinds = ["taxonomy", "term"]
--- content/p1.md --
----
-title: "My title"
-params:
-  title: "My title from params"
----
-
-
-`
-
-	b := Test(t, files, TestOptWarn())
-
-	b.AssertLogContains("ARN  Hugo front matter key \"title\" is overridden in params section", "You can suppress this warning")
-}
-
 func TestFrontMatterParamsLangNoCascade(t *testing.T) {
 	t.Parallel()
 
diff --git a/resources/page/page_matcher.go b/resources/page/page_matcher.go
index 306c2d03c..858def5ef 100644
--- a/resources/page/page_matcher.go
+++ b/resources/page/page_matcher.go
@@ -174,6 +174,9 @@ func DecodeCascade(logger loggers.Logger, handleLegacyFormat bool, in any) (*map
 
 func mapToPageMatcherParamsConfig(m map[string]any) (PageMatcherParamsConfig, error) {
 	var pcfg PageMatcherParamsConfig
+	if pcfg.Fields == nil {
+		pcfg.Fields = make(maps.Params)
+	}
 	for k, v := range m {
 		switch strings.ToLower(k) {
 		case "_target", "target":
@@ -193,9 +196,6 @@ func mapToPageMatcherParamsConfig(m map[string]any) (PageMatcherParamsConfig, er
 				}
 			}
 		default:
-			if pcfg.Fields == nil {
-				pcfg.Fields = make(maps.Params)
-			}
 
 			pcfg.Fields[k] = v
 		}
diff --git a/resources/page/page_matcher_test.go b/resources/page/page_matcher_test.go
index ad35da43c..7f441d3ab 100644
--- a/resources/page/page_matcher_test.go
+++ b/resources/page/page_matcher_test.go
@@ -99,6 +99,7 @@ func TestPageMatcher(t *testing.T) {
 			Params: maps.Params{
 				"foo": "bar",
 			},
+			Fields: maps.Params{},
 			Target: PageMatcher{Path: "", Kind: "page", Lang: "", Environment: ""},
 		})
 	})
@@ -136,9 +137,10 @@ func TestDecodeCascadeConfig(t *testing.T) {
 	c.Assert(got.SourceStructure, qt.DeepEquals, []PageMatcherParamsConfig{
 		{
 			Params: maps.Params{"a": string("av")},
+			Fields: maps.Params{},
 			Target: PageMatcher{Kind: "page", Environment: "production"},
 		},
-		{Params: maps.Params{"b": string("bv")}, Target: PageMatcher{Kind: "page"}},
+		{Params: maps.Params{"b": string("bv")}, Fields: maps.Params{}, Target: PageMatcher{Kind: "page"}},
 	})
 
 	got, err = DecodeCascadeConfig(loggers.NewDefault(), true, nil)