diff --git a/CMake/FindMbedTLS.cmake b/CMake/FindMbedTLS.cmake
index fcd6afb3ab..4b5a6121f1 100644
--- a/CMake/FindMbedTLS.cmake
+++ b/CMake/FindMbedTLS.cmake
@@ -71,23 +71,13 @@ else()
   find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto")
 
   unset(MBEDTLS_VERSION CACHE)
-  if(MBEDTLS_INCLUDE_DIR)
-    if(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h")  # 3.x
-      set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h")
-    elseif(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h")  # 2.x
-      set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h")
-    else()
-      unset(_version_header)
-    endif()
-    if(_version_header)
-      set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"")
-      file(STRINGS "${_version_header}" _version_str REGEX "${_version_regex}")
-      string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
-      set(MBEDTLS_VERSION "${_version_str}")
-      unset(_version_regex)
-      unset(_version_str)
-      unset(_version_header)
-    endif()
+  if(MBEDTLS_INCLUDE_DIR AND EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h")
+    set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"")
+    file(STRINGS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h" _version_str REGEX "${_version_regex}")
+    string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
+    set(MBEDTLS_VERSION "${_version_str}")
+    unset(_version_regex)
+    unset(_version_str)
   endif()
 
   include(FindPackageHandleStandardArgs)