diff --git a/llvm/bindings/ocaml/README.txt b/llvm/bindings/ocaml/README.txt
--- a/llvm/bindings/ocaml/README.txt
+++ b/llvm/bindings/ocaml/README.txt
@@ -6,7 +6,6 @@
 
 * OCaml 4.00.0+.
 * ctypes 0.4+.
-* oUnit 2+ (only required for tests).
 * CMake (to build LLVM).
 
 Building the bindings
diff --git a/llvm/cmake/config-ix.cmake b/llvm/cmake/config-ix.cmake
--- a/llvm/cmake/config-ix.cmake
+++ b/llvm/cmake/config-ix.cmake
@@ -650,12 +650,6 @@
       find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL)
       if( HAVE_OCAML_CTYPES )
         message(STATUS "OCaml bindings enabled.")
-        find_ocamlfind_package(ounit2 OPTIONAL)
-        if ( HAVE_OCAML_OUNIT2 )
-          set(HAVE_OCAML_OUNIT TRUE)
-        else()
-          find_ocamlfind_package(oUnit VERSION 2 OPTIONAL)
-        endif()
         set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml")
 
         set(LLVM_OCAML_INSTALL_PATH "${OCAML_STDLIB_PATH}" CACHE STRING
diff --git a/llvm/test/Bindings/OCaml/lit.local.cfg b/llvm/test/Bindings/OCaml/lit.local.cfg
--- a/llvm/test/Bindings/OCaml/lit.local.cfg
+++ b/llvm/test/Bindings/OCaml/lit.local.cfg
@@ -2,6 +2,3 @@
 
 if not 'ocaml' in config.root.llvm_bindings:
     config.unsupported = True
-
-if not config.root.have_ocaml_ounit:
-    config.unsupported = True
diff --git a/llvm/test/CMakeLists.txt b/llvm/test/CMakeLists.txt
--- a/llvm/test/CMakeLists.txt
+++ b/llvm/test/CMakeLists.txt
@@ -2,7 +2,6 @@
   BUILD_SHARED_LIBS
   LLVM_HAVE_LIBXAR
   HAVE_OCAMLOPT
-  HAVE_OCAML_OUNIT
   LLVM_ENABLE_DIA_SDK
   LLVM_ENABLE_FFI
   LLVM_ENABLE_THREADS
diff --git a/llvm/test/lit.site.cfg.py.in b/llvm/test/lit.site.cfg.py.in
--- a/llvm/test/lit.site.cfg.py.in
+++ b/llvm/test/lit.site.cfg.py.in
@@ -20,7 +20,6 @@
 config.osx_sysroot = path(r"@CMAKE_OSX_SYSROOT@")
 config.ocamlfind_executable = "@OCAMLFIND@"
 config.have_ocamlopt = @HAVE_OCAMLOPT@
-config.have_ocaml_ounit = @HAVE_OCAML_OUNIT@
 config.ocaml_flags = "@OCAMLFLAGS@"
 config.include_go_tests = @LLVM_INCLUDE_GO_TESTS@
 config.go_executable = "@GO_EXECUTABLE@"
diff --git a/llvm/utils/gn/secondary/llvm/test/BUILD.gn b/llvm/utils/gn/secondary/llvm/test/BUILD.gn
--- a/llvm/utils/gn/secondary/llvm/test/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/test/BUILD.gn
@@ -84,7 +84,6 @@
     "LLVM_INCLUDE_GO_TESTS=0",
 
     "HAVE_OCAMLOPT=0",
-    "HAVE_OCAML_OUNIT=0",
     "OCAMLFIND=OCAMLFIND-NOTFOUND",
     "OCAMLFLAGS=",
     "LLVM_BUILD_EXAMPLES=0",