diff --git a/internal/pkg/client/header.go b/internal/pkg/client/header.go
index 24844fa..ab29a55 100644
--- a/internal/pkg/client/header.go
+++ b/internal/pkg/client/header.go
@@ -6,6 +6,4 @@ package client
 const (
 	UUIDHeader  = "x-runner-uuid"
 	TokenHeader = "x-runner-token"
-	// Deprecated: could be removed after Gitea 1.20 released
-	VersionHeader = "x-runner-version"
 )
diff --git a/internal/pkg/client/http.go b/internal/pkg/client/http.go
index 7f3ca26..193e329 100644
--- a/internal/pkg/client/http.go
+++ b/internal/pkg/client/http.go
@@ -40,10 +40,6 @@ func New(endpoint string, insecure bool, uuid, token, version string, opts ...co
 			if token != "" {
 				req.Header().Set(TokenHeader, token)
 			}
-			// TODO: version will be removed from request header after Gitea 1.20 released.
-			if version != "" {
-				req.Header().Set(VersionHeader, version)
-			}
 			return next(ctx, req)
 		}
 	})))