diff --git a/pkgs/tools/misc/unparam/default.nix b/pkgs/tools/misc/unparam/default.nix
index 5840a0d82be8..30bb408ffae1 100644
--- a/pkgs/tools/misc/unparam/default.nix
+++ b/pkgs/tools/misc/unparam/default.nix
@@ -5,16 +5,16 @@
 
 buildGoModule rec {
   pname = "unparam";
-  version = "unstable-2021-12-14";
+  version = "unstable-2023-03-12";
 
   src = fetchFromGitHub {
     owner = "mvdan";
     repo = "unparam";
-    rev = "d0ef000c54e5fbf955d67422b0495b9f29b354da";
-    sha256 = "sha256-fH/LcshpOk+UFfQ5dE2eHi6Oi5cm8umeXoyHJvhpAbE=";
+    rev = "e84e2d14e3b88193890ff95d72ecb81312f36589";
+    sha256 = "sha256-kbEdOqX/p/FrNfWQ2WjXX+lERprSV2EI9l+kapHuFi4=";
   };
 
-  vendorSha256 = "sha256-pfIxWvJYAus4DShTcBI1bwn/Q2c5qWvCwPCwfUsv8c0=";
+  vendorSha256 = "sha256-gEZFAMcr1okqG2IXcS3hDzZKMINohd2JzxezGbzyeBE=";
 
   subPackages = [ "." ];
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e1b530a640a1..a335968f0aea 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6392,9 +6392,7 @@ with pkgs;
 
   unionfs-fuse = callPackage ../tools/filesystems/unionfs-fuse { };
 
-  unparam = callPackage ../tools/misc/unparam {
-    buildGoModule = buildGo119Module; # go 1.20 build failure
-  };
+  unparam = callPackage ../tools/misc/unparam { };
 
   inherit (nodePackages) uppy-companion;