diff --git a/CMakeLists.txt b/CMakeLists.txt
index 08b285e5c..9aa9a6bfe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,21 @@ if(CMAKE_BINARY_DIR STREQUAL CMAKE_SOURCE_DIR)
     message(FATAL_ERROR "In-source builds not allowed")
 endif()
 
+function(get_git_hash _git_hash)
+  if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
+    execute_process(
+      COMMAND git rev-parse HEAD
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+      OUTPUT_VARIABLE GIT_HASH
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+  endif()
+  if(NOT GIT_HASH)
+    set(GIT_HASH "NO_GIT_COMMIT_HASH_DEFINED")
+  endif()
+  set(${_git_hash} "${GIT_HASH}" PARENT_SCOPE)
+endfunction(get_git_hash)
+
 project(RenderDoc CXX C)
 
 option(ENABLE_GL "Enable GL driver" ON)
diff --git a/GetGitHash.cmake b/GetGitHash.cmake
deleted file mode 100644
index 2d5623e9d..000000000
--- a/GetGitHash.cmake
+++ /dev/null
@@ -1,14 +0,0 @@
-function(get_git_hash _git_hash)
-  if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
-    execute_process(
-      COMMAND git rev-parse HEAD
-      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-      OUTPUT_VARIABLE GIT_HASH
-      OUTPUT_STRIP_TRAILING_WHITESPACE
-    )
-  endif()
-  if(NOT GIT_HASH)
-    set(GIT_HASH "NO_GIT_COMMIT_HASH_DEFINED")
-  endif()
-  set(${_git_hash} "${GIT_HASH}" PARENT_SCOPE)
-endfunction(get_git_hash)
diff --git a/renderdoc/CMakeLists.txt b/renderdoc/CMakeLists.txt
index 17bb1dfe8..b65241a71 100644
--- a/renderdoc/CMakeLists.txt
+++ b/renderdoc/CMakeLists.txt
@@ -1,5 +1,3 @@
-include("${CMAKE_SOURCE_DIR}/GetGitHash.cmake")
-
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 set(RDOC_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})