diff --git a/util/Linux.mak b/util/Linux.mak
deleted file mode 100644
index 71b2170..0000000
--- a/util/Linux.mak
+++ /dev/null
@@ -1,5 +0,0 @@
-# Generic Linux build configuration
-CXX=g++
-OS_CFLAGS=-g -pipe
-OS_LDFLAGS=
-OS_LIBS=-ldl -lz -lm -lpthread -lrt
diff --git a/util/MacOSX.mak b/util/MacOSX.mak
deleted file mode 100644
index a512011..0000000
--- a/util/MacOSX.mak
+++ /dev/null
@@ -1,4 +0,0 @@
-CXX=g++
-OS_CFLAGS=-g -pipe
-OS_LDFLAGS=
-OS_LIBS=
diff --git a/util/MinGW32.mak b/util/MinGW32.mak
deleted file mode 100644
index adc9e92..0000000
--- a/util/MinGW32.mak
+++ /dev/null
@@ -1,5 +0,0 @@
-# MinG (Windows) build configuration
-CXX=g++
-OS_CFLAGS=-I/mingw/include
-OS_LDFLAGS=-mthreads  -Wl,--subsystem,windows -mwindows -Wl,-Bsymbolic -static
-OS_LIBS=$(BUILD_ROOT)/lib/libz.a /mingw/lib/libdxguid.a -lwsock32 -lgdi32 -lwinmm -lmingw32