diff --git a/reactos/dll/cpl/input/input.def b/reactos/dll/cpl/input/input.def
deleted file mode 100644
index 6a6654b3a9f..00000000000
--- a/reactos/dll/cpl/input/input.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY input.dll
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/input/input.rbuild b/reactos/dll/cpl/input/input.rbuild
index f72d00157b4..e41bb38e7b3 100644
--- a/reactos/dll/cpl/input/input.rbuild
+++ b/reactos/dll/cpl/input/input.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="input" type="win32dll" extension=".dll" baseaddress="${BASEADDRESS_INPUT}" installbase="system32" installname="input.dll" unicode="yes">
-	<importlibrary definition="input.def" />
+	<importlibrary definition="input.spec" />
 	<include base="input">.</include>
 	<library>kernel32</library>
 	<library>advapi32</library>
diff --git a/reactos/dll/cpl/input/input.spec b/reactos/dll/cpl/input/input.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/input/input.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/intl/intl.def b/reactos/dll/cpl/intl/intl.def
deleted file mode 100644
index 6282d722bc3..00000000000
--- a/reactos/dll/cpl/intl/intl.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY intl.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/intl/intl.rbuild b/reactos/dll/cpl/intl/intl.rbuild
index 7ca4816ec48..b090c270cb9 100644
--- a/reactos/dll/cpl/intl/intl.rbuild
+++ b/reactos/dll/cpl/intl/intl.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="intl" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_INTL}" installbase="system32" installname="intl.cpl" unicode="yes" crt="msvcrt">
-    <importlibrary definition="intl.def" />
+    <importlibrary definition="intl.spec" />
     <include base="intl">.</include>
     <library>kernel32</library>
     <library>user32</library>
diff --git a/reactos/dll/cpl/intl/intl.spec b/reactos/dll/cpl/intl/intl.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/intl/intl.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/joy/joy.def b/reactos/dll/cpl/joy/joy.def
deleted file mode 100644
index b09a6f73dd4..00000000000
--- a/reactos/dll/cpl/joy/joy.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY joy.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/joy/joy.rbuild b/reactos/dll/cpl/joy/joy.rbuild
index 862e4671871..89b60137f61 100644
--- a/reactos/dll/cpl/joy/joy.rbuild
+++ b/reactos/dll/cpl/joy/joy.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="joy" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_JOY}"  installbase="system32" installname="joy.cpl" unicode="yes">
-	<importlibrary definition="joy.def" />
+	<importlibrary definition="joy.spec" />
 	<include base="joy">.</include>
 	<library>kernel32</library>
 	<library>advapi32</library>
diff --git a/reactos/dll/cpl/joy/joy.spec b/reactos/dll/cpl/joy/joy.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/joy/joy.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/liccpa/liccpa.def b/reactos/dll/cpl/liccpa/liccpa.def
deleted file mode 100644
index 3f056668a86..00000000000
--- a/reactos/dll/cpl/liccpa/liccpa.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY liccpa.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/liccpa/liccpa.spec b/reactos/dll/cpl/liccpa/liccpa.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/liccpa/liccpa.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/main/main.def b/reactos/dll/cpl/main/main.def
deleted file mode 100644
index bcdd1dd2402..00000000000
--- a/reactos/dll/cpl/main/main.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY main.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/main/main.rbuild b/reactos/dll/cpl/main/main.rbuild
index 563add0c1ea..115649589fc 100644
--- a/reactos/dll/cpl/main/main.rbuild
+++ b/reactos/dll/cpl/main/main.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="main" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_MAIN}" installbase="system32" installname="main.cpl" unicode="yes" crt="msvcrt">
-	<importlibrary definition="main.def" />
+	<importlibrary definition="main.spec" />
 	<include base="main">.</include>
 	<library>kernel32</library>
 	<library>advapi32</library>
diff --git a/reactos/dll/cpl/main/main.spec b/reactos/dll/cpl/main/main.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/main/main.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/ncpa/ncpa.def b/reactos/dll/cpl/ncpa/ncpa.def
deleted file mode 100644
index e278ea10114..00000000000
--- a/reactos/dll/cpl/ncpa/ncpa.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY ncpa.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/ncpa/ncpa.rbuild b/reactos/dll/cpl/ncpa/ncpa.rbuild
index 778201ebbe4..7f3ff1437fc 100644
--- a/reactos/dll/cpl/ncpa/ncpa.rbuild
+++ b/reactos/dll/cpl/ncpa/ncpa.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="ncpa" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_NCPA}" installbase="system32" installname="ncpa.cpl" unicode="yes">
-	<importlibrary definition="ncpa.def" />
+	<importlibrary definition="ncpa.spec" />
 	<include base="ncpa">.</include>
 
 	<define name="_WIN32_WINNT">0x600</define>
diff --git a/reactos/dll/cpl/ncpa/ncpa.spec b/reactos/dll/cpl/ncpa/ncpa.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/ncpa/ncpa.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/odbccp32/odbccp32.def b/reactos/dll/cpl/odbccp32/odbccp32.def
deleted file mode 100644
index b91c0a78871..00000000000
--- a/reactos/dll/cpl/odbccp32/odbccp32.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY odbccp32.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/odbccp32/odbccp32.rbuild b/reactos/dll/cpl/odbccp32/odbccp32.rbuild
index dd83b376c35..2137e029d0a 100644
--- a/reactos/dll/cpl/odbccp32/odbccp32.rbuild
+++ b/reactos/dll/cpl/odbccp32/odbccp32.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="odbccp32i" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_ODBCCP32}" installbase="system32" installname="odbccp32.cpl" unicode="yes">
-	<importlibrary definition="odbccp32.def" />
+	<importlibrary definition="odbccp32.spec" />
 	<include base="odbccp32">.</include>
 	<library>kernel32</library>
 	<library>user32</library>
diff --git a/reactos/dll/cpl/odbccp32/odbccp32.spec b/reactos/dll/cpl/odbccp32/odbccp32.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/odbccp32/odbccp32.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/powercfg/powercfg.def b/reactos/dll/cpl/powercfg/powercfg.def
deleted file mode 100644
index 5c8f7bf4520..00000000000
--- a/reactos/dll/cpl/powercfg/powercfg.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY powercfg.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/powercfg/powercfg.rbuild b/reactos/dll/cpl/powercfg/powercfg.rbuild
index 0a9509b7a1b..474cd142f40 100644
--- a/reactos/dll/cpl/powercfg/powercfg.rbuild
+++ b/reactos/dll/cpl/powercfg/powercfg.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="powercfg" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_PWRCFG}" installbase="system32" installname="powercfg.cpl" unicode="yes">
-	<importlibrary definition="powercfg.def" />
+	<importlibrary definition="powercfg.spec" />
 	<include base="powercfg">.</include>
 	<include base="ReactOS">include/reactos/wine</include>
 	<library>kernel32</library>
diff --git a/reactos/dll/cpl/powercfg/powercfg.spec b/reactos/dll/cpl/powercfg/powercfg.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/powercfg/powercfg.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/sysdm/sysdm.def b/reactos/dll/cpl/sysdm/sysdm.def
deleted file mode 100644
index f4110df42fa..00000000000
--- a/reactos/dll/cpl/sysdm/sysdm.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY sysdm.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/sysdm/sysdm.rbuild b/reactos/dll/cpl/sysdm/sysdm.rbuild
index 58f0f5c2b5a..2a2954128b4 100644
--- a/reactos/dll/cpl/sysdm/sysdm.rbuild
+++ b/reactos/dll/cpl/sysdm/sysdm.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="sysdm" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_SYSDM}" installbase="system32" installname="sysdm.cpl" unicode="yes">
-	<importlibrary definition="sysdm.def" />
+	<importlibrary definition="sysdm.spec" />
 	<include base="sysdm">.</include>
 	<library>kernel32</library>
 	<library>advapi32</library>
diff --git a/reactos/dll/cpl/sysdm/sysdm.spec b/reactos/dll/cpl/sysdm/sysdm.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/sysdm/sysdm.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/telephon/telephon.def b/reactos/dll/cpl/telephon/telephon.def
deleted file mode 100644
index 91f33d26826..00000000000
--- a/reactos/dll/cpl/telephon/telephon.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY telephon.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/telephon/telephon.rbuild b/reactos/dll/cpl/telephon/telephon.rbuild
index 788c7f5f8a5..3592ef5dd4a 100644
--- a/reactos/dll/cpl/telephon/telephon.rbuild
+++ b/reactos/dll/cpl/telephon/telephon.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="telephon" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_TELEPHON}"  installbase="system32" installname="telephon.cpl" unicode="yes">
-	<importlibrary definition="telephon.def" />
+	<importlibrary definition="telephon.spec" />
 	<include base="telephon">.</include>
 	<library>kernel32</library>
 	<library>advapi32</library>
diff --git a/reactos/dll/cpl/telephon/telephon.spec b/reactos/dll/cpl/telephon/telephon.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/telephon/telephon.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/timedate/timedate.def b/reactos/dll/cpl/timedate/timedate.def
deleted file mode 100644
index 8d67834a2ec..00000000000
--- a/reactos/dll/cpl/timedate/timedate.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY timedate.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/timedate/timedate.rbuild b/reactos/dll/cpl/timedate/timedate.rbuild
index 90dfca7b9f6..161f1cb9136 100644
--- a/reactos/dll/cpl/timedate/timedate.rbuild
+++ b/reactos/dll/cpl/timedate/timedate.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="timedate" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_TIMEDATE}" installbase="system32" installname="timedate.cpl" unicode="yes">
-	<importlibrary definition="timedate.def" />
+	<importlibrary definition="timedate.spec" />
 	<include base="timedate">.</include>
 	<library>kernel32</library>
 	<library>advapi32</library>
diff --git a/reactos/dll/cpl/timedate/timedate.spec b/reactos/dll/cpl/timedate/timedate.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/timedate/timedate.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file
diff --git a/reactos/dll/cpl/usrmgr/usrmgr.def b/reactos/dll/cpl/usrmgr/usrmgr.def
deleted file mode 100644
index bf450f18180..00000000000
--- a/reactos/dll/cpl/usrmgr/usrmgr.def
+++ /dev/null
@@ -1,6 +0,0 @@
-LIBRARY usrmgr.cpl
-
-EXPORTS
-CPlApplet@16
-
-; EOF
diff --git a/reactos/dll/cpl/usrmgr/usrmgr.rbuild b/reactos/dll/cpl/usrmgr/usrmgr.rbuild
index 1a612c983cf..ad2925f3fbb 100644
--- a/reactos/dll/cpl/usrmgr/usrmgr.rbuild
+++ b/reactos/dll/cpl/usrmgr/usrmgr.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="usrmgr" type="win32dll" extension=".cpl" baseaddress="${BASEADDRESS_USRMGR}" installbase="system32" installname="usrmgr.cpl" unicode="yes" crt="msvcrt">
-	<importlibrary definition="usrmgr.def" />
+	<importlibrary definition="usrmgr.spec" />
 	<include base="usrmgr">.</include>
 	<library>kernel32</library>
 	<library>advapi32</library>
diff --git a/reactos/dll/cpl/usrmgr/usrmgr.spec b/reactos/dll/cpl/usrmgr/usrmgr.spec
new file mode 100644
index 00000000000..9c55a90e177
--- /dev/null
+++ b/reactos/dll/cpl/usrmgr/usrmgr.spec
@@ -0,0 +1 @@
+@ stdcall CPlApplet(ptr long ptr ptr)
\ No newline at end of file