diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 03829c78d3d..4c60bfbbf8d 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -12,7 +12,6 @@ add_subdirectory(LibGL)
 add_subdirectory(LibIMAP)
 add_subdirectory(LibJS)
 add_subdirectory(LibLocale)
-add_subdirectory(LibM)
 add_subdirectory(LibMarkdown)
 add_subdirectory(LibPDF)
 add_subdirectory(LibRegex)
diff --git a/Tests/LibC/CMakeLists.txt b/Tests/LibC/CMakeLists.txt
index 28c27e98921..b82b6121580 100644
--- a/Tests/LibC/CMakeLists.txt
+++ b/Tests/LibC/CMakeLists.txt
@@ -11,6 +11,7 @@ set(TEST_SOURCES
     TestLibCString.cpp
     TestLibCTime.cpp
     TestMalloc.cpp
+    TestMath.cpp
     TestMemalign.cpp
     TestMemmem.cpp
     TestMkDir.cpp
@@ -32,6 +33,7 @@ set(TEST_SOURCES
     TestWctype.cpp
 )
 
+set_source_files_properties(TestMath.cpp PROPERTIES COMPILE_FLAGS "-fno-builtin")
 set_source_files_properties(TestStrtodAccuracy.cpp PROPERTIES COMPILE_FLAGS "-fno-builtin-strtod")
 
 foreach(source IN LISTS TEST_SOURCES)
diff --git a/Tests/LibM/test-math.cpp b/Tests/LibC/TestMath.cpp
similarity index 100%
rename from Tests/LibM/test-math.cpp
rename to Tests/LibC/TestMath.cpp
diff --git a/Tests/LibM/CMakeLists.txt b/Tests/LibM/CMakeLists.txt
deleted file mode 100644
index 7b1c78178d6..00000000000
--- a/Tests/LibM/CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-set(TEST_SOURCES
-    test-math.cpp
-)
-add_compile_options(-fno-builtin)
-
-foreach(source IN LISTS TEST_SOURCES)
-    serenity_test("${source}" LibM)
-endforeach()