diff --git a/pkgs/by-name/gl/glslang/external-gtest.patch b/pkgs/by-name/gl/glslang/external-gtest.patch
deleted file mode 100644
index 3477b7584bfc..000000000000
--- a/pkgs/by-name/gl/glslang/external-gtest.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-From ab20ba112e6fa5117bfeadde199fdc6c18cbdfb5 Mon Sep 17 00:00:00 2001
-From: OPNA2608 <opna2608@protonmail.com>
-Date: Mon, 12 Jan 2026 16:41:53 +0100
-Subject: [PATCH] Look for external gtest build, if not building in-tree
-
----
- CMakeLists.txt        | 12 ++++++++++++
- gtests/CMakeLists.txt |  8 +++-----
- 2 files changed, 15 insertions(+), 5 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 1e7d3ec9..ecda9c53 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -321,6 +321,18 @@ if(ENABLE_GLSLANG_BINARIES)
-     add_subdirectory(StandAlone)
- endif()
- 
-+option(ALLOW_EXTERNAL_GTEST "Allows to build against installed googletest. This is unsupported if the commit isn't the one in known_good.json")
-+set(GMOCK_TARGET gmock)
-+if(NOT TARGET ${GMOCK_TARGET})
-+    if(ALLOW_EXTERNAL_GTEST)
-+        message(STATUS "Trying to find local googletest")
-+        find_package(GTest)
-+        if(TARGET GTest::gmock)
-+            set(GMOCK_TARGET GTest::gmock)
-+        endif()
-+    endif()
-+endif()
-+
- if(GLSLANG_TESTS)
-     enable_testing()
-     add_subdirectory(gtests)
-diff --git a/gtests/CMakeLists.txt b/gtests/CMakeLists.txt
-index 27a5500c..21125775 100644
---- a/gtests/CMakeLists.txt
-+++ b/gtests/CMakeLists.txt
-@@ -32,7 +32,7 @@
- # POSSIBILITY OF SUCH DAMAGE.
- 
- if(GLSLANG_TESTS)
--    if(TARGET gmock)
-+    if(TARGET ${GMOCK_TARGET})
-         message(STATUS "Google Mock found - building tests")
- 
-         set(TEST_SOURCES
-@@ -76,9 +76,7 @@ if(GLSLANG_TESTS)
-                                    PRIVATE GLSLANG_TEST_BUILD=1)
-         target_include_directories(glslangtests PRIVATE
-                                    ${CMAKE_CURRENT_SOURCE_DIR}
--                                   ${PROJECT_SOURCE_DIR}
--                                   ${gmock_SOURCE_DIR}/include
--                                   ${gtest_SOURCE_DIR}/include)
-+                                   ${PROJECT_SOURCE_DIR})
- 
-         if(ENABLE_OPT)
-             target_link_libraries(glslangtests
-@@ -90,7 +88,7 @@ if(GLSLANG_TESTS)
-             glslang glslang-default-resource-limits
-             $<$<AND:$<CXX_COMPILER_ID:GNU>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,9.0>>:stdc++fs>)
- 
--        target_link_libraries(glslangtests PRIVATE ${LIBRARIES} gmock)
-+        target_link_libraries(glslangtests PRIVATE ${LIBRARIES} ${GMOCK_TARGET})
- 
-         # The TARGET_RUNTIME_DLL_DIRS feature requires CMake 3.27 or greater.
-         if(WIN32 AND BUILD_SHARED_LIBS AND CMAKE_VERSION VERSION_LESS "3.27")
--- 
-2.51.2
-
diff --git a/pkgs/by-name/gl/glslang/package.nix b/pkgs/by-name/gl/glslang/package.nix
index 3af77636355d..0d7fe92908c8 100644
--- a/pkgs/by-name/gl/glslang/package.nix
+++ b/pkgs/by-name/gl/glslang/package.nix
@@ -12,21 +12,15 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "glslang";
-  version = "16.2.0";
+  version = "16.3.0";
 
   src = fetchFromGitHub {
     owner = "KhronosGroup";
     repo = "glslang";
     tag = finalAttrs.version;
-    hash = "sha256-2uWnZZNGdZorHaiLzMb/rpM6bL9oBClKqiFkUH3krJQ=";
+    hash = "sha256-wclcJ0NfqFXSUHGVsxjn2I8XxWbrkzOB4WXqsN1XtmE=";
   };
 
-  patches = [
-    # Allow building against our already-built gtest, without eating a rebuild
-    # https://github.com/KhronosGroup/glslang/pull/4140
-    ./external-gtest.patch
-  ];
-
   outputs = [
     "bin"
     "out"