diff --git a/internal/lsp/source/completion/completion.go b/internal/lsp/source/completion/completion.go
index 417b287..78dac5b 100644
--- a/internal/lsp/source/completion/completion.go
+++ b/internal/lsp/source/completion/completion.go
@@ -510,7 +510,7 @@
 		opts: &completionOptions{
 			matcher:           opts.Matcher,
 			unimported:        opts.CompleteUnimported,
-			documentation:     opts.CompletionDocumentation,
+			documentation:     opts.CompletionDocumentation && opts.HoverKind != source.NoDocumentation,
 			fullDocumentation: opts.HoverKind == source.FullDocumentation,
 			placeholders:      opts.UsePlaceholders,
 			literal:           opts.LiteralCompletions && opts.InsertTextFormat == protocol.SnippetTextFormat,
diff --git a/internal/lsp/source/signature_help.go b/internal/lsp/source/signature_help.go
index b49880d..03ac4e8 100644
--- a/internal/lsp/source/signature_help.go
+++ b/internal/lsp/source/signature_help.go
@@ -7,7 +7,6 @@
 import (
 	"context"
 	"go/ast"
-	"go/doc"
 	"go/token"
 	"go/types"
 
@@ -123,7 +122,7 @@
 	}
 	return &protocol.SignatureInformation{
 		Label:         name + s.Format(),
-		Documentation: doc.Synopsis(s.doc),
+		Documentation: s.doc,
 		Parameters:    paramInfo,
 	}, activeParam, nil
 }
@@ -140,7 +139,7 @@
 	activeParam := activeParameter(callExpr, len(sig.params), sig.variadic, pos)
 	return &protocol.SignatureInformation{
 		Label:         sig.name + sig.Format(),
-		Documentation: doc.Synopsis(sig.doc),
+		Documentation: sig.doc,
 		Parameters:    paramInfo,
 	}, activeParam, nil
 
diff --git a/internal/lsp/source/types_format.go b/internal/lsp/source/types_format.go
index 2455bdf..5ddd8e0 100644
--- a/internal/lsp/source/types_format.go
+++ b/internal/lsp/source/types_format.go
@@ -9,6 +9,7 @@
 	"context"
 	"fmt"
 	"go/ast"
+	"go/doc"
 	"go/printer"
 	"go/token"
 	"go/types"
@@ -79,8 +80,8 @@
 
 // NewBuiltinSignature returns signature for the builtin object with a given
 // name, if a builtin object with the name exists.
-func NewBuiltinSignature(ctx context.Context, snapshot Snapshot, name string) (*signature, error) {
-	builtin, err := snapshot.BuiltinPackage(ctx)
+func NewBuiltinSignature(ctx context.Context, s Snapshot, name string) (*signature, error) {
+	builtin, err := s.BuiltinPackage(ctx)
 	if err != nil {
 		return nil, err
 	}
@@ -103,10 +104,17 @@
 			variadic = true
 		}
 	}
-	params, _ := formatFieldList(ctx, snapshot, decl.Type.Params, variadic)
-	results, needResultParens := formatFieldList(ctx, snapshot, decl.Type.Results, false)
+	params, _ := formatFieldList(ctx, s, decl.Type.Params, variadic)
+	results, needResultParens := formatFieldList(ctx, s, decl.Type.Results, false)
+	d := decl.Doc.Text()
+	switch s.View().Options().HoverKind {
+	case SynopsisDocumentation:
+		d = doc.Synopsis(d)
+	case NoDocumentation:
+		d = ""
+	}
 	return &signature{
-		doc:              decl.Doc.Text(),
+		doc:              d,
 		name:             name,
 		needResultParens: needResultParens,
 		params:           params,
@@ -188,12 +196,18 @@
 			results = append(results, el.Name()+" "+typ)
 		}
 	}
-	var doc string
+	var d string
 	if comment != nil {
-		doc = comment.Text()
+		d = comment.Text()
+	}
+	switch s.View().Options().HoverKind {
+	case SynopsisDocumentation:
+		d = doc.Synopsis(d)
+	case NoDocumentation:
+		d = ""
 	}
 	return &signature{
-		doc:              doc,
+		doc:              d,
 		params:           params,
 		results:          results,
 		variadic:         sig.Variadic(),