diff --git a/pkgs/development/libraries/protobuf/3.4.nix b/pkgs/development/libraries/protobuf/3.4.nix
deleted file mode 100644
index 5a9034a56a8..00000000000
--- a/pkgs/development/libraries/protobuf/3.4.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{ callPackage, lib, ... }:
-
-lib.overrideDerivation (callPackage ./generic-v3.nix {
-  version = "3.4.1";
-  sha256 = "1lzxmbqlnmi34kymnf399azv86gmdbrf71xiad6wc24bzpkzqybb";
-}) (attrs: { NIX_CFLAGS_COMPILE = "-Wno-error"; })
diff --git a/pkgs/development/libraries/protobuf/3.5.nix b/pkgs/development/libraries/protobuf/3.5.nix
deleted file mode 100644
index db9cb6f0371..00000000000
--- a/pkgs/development/libraries/protobuf/3.5.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{ callPackage, lib, ... }:
-
-lib.overrideDerivation (callPackage ./generic-v3.nix {
-  version = "3.5.1.1";
-  sha256 = "1h4xydr5j2zg1888ncn8a1jvqq8fgpgckrmjg6lqzy9jpkvqvfdk";
-}) (attrs: { NIX_CFLAGS_COMPILE = "-Wno-error"; })
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c1517d9aee0..57ab7b925b2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12646,8 +12646,6 @@ in
 
   protobuf3_7 = callPackage ../development/libraries/protobuf/3.7.nix { };
   protobuf3_6 = callPackage ../development/libraries/protobuf/3.6.nix { };
-  protobuf3_5 = callPackage ../development/libraries/protobuf/3.5.nix { };
-  protobuf3_4 = callPackage ../development/libraries/protobuf/3.4.nix { };
   protobuf3_1 = callPackage ../development/libraries/protobuf/3.1.nix { };
   protobuf2_5 = callPackage ../development/libraries/protobuf/2.5.nix { };