diff --git a/cmake/FindASan.cmake b/cmake/FindASan.cmake
index 5c95a0b..fa07674 100644
--- a/cmake/FindASan.cmake
+++ b/cmake/FindASan.cmake
@@ -33,9 +33,18 @@ set(FLAG_CANDIDATES
 )
 
 
+if (SANITIZE_ADDRESS AND (SANITIZE_THREAD OR SANITIZE_MEMORY))
+    message(FATAL_ERROR "AddressSanitizer is not compatible with "
+        "ThreadSanitizer or MemorySanitizer.")
+endif ()
+
+
 include(sanitize-helpers)
 
-sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "AddressSanitizer" "ASan")
+if (SANITIZE_ADDRESS)
+    sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "AddressSanitizer"
+        "ASan")
+endif ()
 
 function (add_sanitize_address TARGET)
     if (NOT SANITIZE_ADDRESS)
diff --git a/cmake/FindSanitizers.cmake b/cmake/FindSanitizers.cmake
index e92221c..f6db13e 100644
--- a/cmake/FindSanitizers.cmake
+++ b/cmake/FindSanitizers.cmake
@@ -22,25 +22,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-
-# The following options will enable the desired sanitizers.
-option(SANITIZE "Enable all available sanitizers for sanitized targets." OFF)
-
-# If option SANITIZE is enabled, enable all available sanitizers.
-if (SANITIZE)
-    set(SANITIZE_ADDRESS ON CACHE BOOL
-        "Enable AddressSanitizer for sanitized targets." FORCE)
-    set(SANITIZE_THREAD ON CACHE BOOL
-        "Enable ThreadSanitizer for sanitized targets." FORCE)
-    set(SANITIZE_MEMORY ON CACHE BOOL
-        "Enable MemorySanitizer for sanitized targets." FORCE)
-    set(SANITIZE_UNDEFINED ON CACHE BOOL
-        "Enable UndefinedBehaviorSanitizer for sanitized targets." FORCE)
-endif (SANITIZE)
-
-
-
-
 set(FIND_QUIETLY_FLAG "")
 if (DEFINED Sanitizers_FIND_QUIETLY)
     set(FIND_QUIETLY_FLAG "QUIET")
diff --git a/cmake/FindTSan.cmake b/cmake/FindTSan.cmake
index c9b8a9c..81e07b0 100644
--- a/cmake/FindTSan.cmake
+++ b/cmake/FindTSan.cmake
@@ -29,6 +29,13 @@ set(FLAG_CANDIDATES
 )
 
 
+# ThreadSanitizer is not compatible with MemorySanitizer.
+if (SANITIZE_THREAD AND SANITIZE_MEMORY)
+    message(FATAL_ERROR "ThreadSanitizer is not compatible with "
+        "MemorySanitizer.")
+endif ()
+
+
 include(sanitize-helpers)
 
 if (SANITIZE_THREAD)
diff --git a/cmake/FindUBSan.cmake b/cmake/FindUBSan.cmake
index f520f36..5ae0b54 100644
--- a/cmake/FindUBSan.cmake
+++ b/cmake/FindUBSan.cmake
@@ -32,8 +32,10 @@ set(FLAG_CANDIDATES
 
 include(sanitize-helpers)
 
-sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "UndefinedBehaviorSanitizer"
-    "UBSan")
+if (SANITIZE_UNDEFINED)
+    sanitizer_check_compiler_flags("${FLAG_CANDIDATES}"
+        "UndefinedBehaviorSanitizer" "UBSan")
+endif ()
 
 function (add_sanitize_undefined TARGET)
     if (NOT SANITIZE_UNDEFINED)