diff --git a/pkgs/development/compilers/binaryen/0001-Get-rid-of-git-dependency.patch b/pkgs/development/compilers/binaryen/0001-Get-rid-of-git-dependency.patch
deleted file mode 100644
index 79b053592a9..00000000000
--- a/pkgs/development/compilers/binaryen/0001-Get-rid-of-git-dependency.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From 1c6af6c68ba3f49ae9e942844c739e934339d3b9 Mon Sep 17 00:00:00 2001
-From: Maximilian Bosch <maximilian@mbosch.me>
-Date: Sat, 14 Mar 2020 00:37:31 +0100
-Subject: [PATCH] Get rid of git dependency
-
----
- CMakeLists.txt | 15 +--------------
- 1 file changed, 1 insertion(+), 14 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 4acf703e1..4e9bd60b5 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -7,20 +7,7 @@ IF(NOT CMAKE_BUILD_TYPE)
-   SET(CMAKE_BUILD_TYPE "Release")
- ENDIF()
- 
--FIND_PACKAGE(Git QUIET REQUIRED)
--EXECUTE_PROCESS(COMMAND
--             "${GIT_EXECUTABLE}" --git-dir=${CMAKE_CURRENT_SOURCE_DIR}/.git describe --tags
--         RESULT_VARIABLE
--             GIT_HASH_RESULT
--         OUTPUT_VARIABLE
--             GIT_HASH
--         OUTPUT_STRIP_TRAILING_WHITESPACE)
--IF(${GIT_HASH_RESULT})
--  MESSAGE(WARNING "Error running git describe to determine version")
--  SET(BINARYEN_VERSION_INFO "(unable to determine version)")
--ELSE()
--  SET(BINARYEN_VERSION_INFO "${GIT_HASH}")
--ENDIF()
-+SET(BINARYEN_VERSION_INFO "@emscriptenv@")
- CONFIGURE_FILE(config.h.in config.h)
- 
- OPTION(BUILD_STATIC_LIB "Build as a static library" OFF)
--- 
-2.25.0
-
diff --git a/pkgs/development/compilers/binaryen/default.nix b/pkgs/development/compilers/binaryen/default.nix
index e9dc939b5ed..d0e224b7c9b 100644
--- a/pkgs/development/compilers/binaryen/default.nix
+++ b/pkgs/development/compilers/binaryen/default.nix
@@ -1,39 +1,16 @@
-{ stdenv, cmake, python3, fetchFromGitHub, emscriptenRev ? null, substituteAll }:
-
-let
-  defaultVersion = "95";
-
-  # Map from git revs to SHA256 hashes
-  sha256s = {
-    version_95 = "1w4js9bm5qv5aws8bzz4f0n3ni2l7h4fidkq9v5bldf0zxncy8m3";
-    "1.39.1" = "0ygm9m5322h4vfpf3j63q32qxk2l26yk62hh7dkb49j51zwl1y3y";
-  };
-in
+{ stdenv, cmake, python3, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
-  version = if emscriptenRev == null
-            then defaultVersion
-            else "emscripten-${emscriptenRev}";
-  rev = if emscriptenRev == null
-        then "version_${version}"
-        else emscriptenRev;
   pname = "binaryen";
+  version = "95";
 
   src = fetchFromGitHub {
     owner = "WebAssembly";
     repo = "binaryen";
-    sha256 =
-      if builtins.hasAttr rev sha256s
-      then builtins.getAttr rev sha256s
-      else null;
-    inherit rev;
+    rev = "version_${version}";
+    sha256 = "1w4js9bm5qv5aws8bzz4f0n3ni2l7h4fidkq9v5bldf0zxncy8m3";
   };
 
-  patches = stdenv.lib.optional (emscriptenRev != null) (substituteAll {
-    src = ./0001-Get-rid-of-git-dependency.patch;
-    emscriptenv = "1.39.1";
-  });
-
   nativeBuildInputs = [ cmake python3 ];
 
   meta = with stdenv.lib; {