diff --git a/reactos/include/ddk/cfgmgr32.h b/reactos/include/ddk/cfgmgr32.h
index 5fdfb1a3e27..5c5d19662d3 100644
--- a/reactos/include/ddk/cfgmgr32.h
+++ b/reactos/include/ddk/cfgmgr32.h
@@ -30,7 +30,7 @@ extern "C" {
 #endif
 
 #if defined(_CFGMGR32_)
-#define CMAPI DECLSPEC_EXPORT
+#define CMAPI
 #else
 #define CMAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/ddk/hidpi.h b/reactos/include/ddk/hidpi.h
index 68b1dc1eff2..63d3cf1f936 100644
--- a/reactos/include/ddk/hidpi.h
+++ b/reactos/include/ddk/hidpi.h
@@ -30,7 +30,7 @@ extern "C" {
 #endif
 
 #if defined(_HIDPI_)
-  #define HIDAPI DECLSPEC_EXPORT
+  #define HIDAPI
 #else
   #define HIDAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/ddk/mcd.h b/reactos/include/ddk/mcd.h
index 449065b2331..cb4a1a4f032 100644
--- a/reactos/include/ddk/mcd.h
+++ b/reactos/include/ddk/mcd.h
@@ -32,7 +32,7 @@ extern "C" {
 #endif
 
 #if defined(_MCD_)
-  #define CHANGERAPI DECLSPEC_EXPORT
+  #define CHANGERAPI
 #else
   #define CHANGERAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/ddk/ndis.h b/reactos/include/ddk/ndis.h
index 9cfaa34498f..40fe179d2f9 100644
--- a/reactos/include/ddk/ndis.h
+++ b/reactos/include/ddk/ndis.h
@@ -47,7 +47,7 @@ extern "C" {
 #endif
 
 #if defined(NDIS_WRAPPER)
-  #define NDISAPI DECLSPEC_EXPORT
+  #define NDISAPI
 #else
   #define NDISAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/ddk/smbus.h b/reactos/include/ddk/smbus.h
index 96bbafc6bd8..de61c7de0e1 100644
--- a/reactos/include/ddk/smbus.h
+++ b/reactos/include/ddk/smbus.h
@@ -30,7 +30,7 @@ extern "C" {
 #if !defined(SMBCLASS)
   #define SMBCLASSAPI DECLSPEC_IMPORT
 #else
-  #define SMBCLASSAPI DECLSPEC_EXPORT
+  #define SMBCLASSAPI
 #endif
 
 #define SMB_BUS_REQUEST \
diff --git a/reactos/include/ddk/storport.h b/reactos/include/ddk/storport.h
index 07ea4363ec2..7859967a32d 100644
--- a/reactos/include/ddk/storport.h
+++ b/reactos/include/ddk/storport.h
@@ -30,7 +30,7 @@ extern "C" {
 #endif
 
 #if defined(_STORPORT_)
-  #define STORPORTAPI DECLSPEC_EXPORT
+  #define STORPORTAPI
 #else
   #define STORPORTAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/ddk/tdikrnl.h b/reactos/include/ddk/tdikrnl.h
index 6d7128da18a..fa3679ed7b5 100644
--- a/reactos/include/ddk/tdikrnl.h
+++ b/reactos/include/ddk/tdikrnl.h
@@ -30,7 +30,7 @@ extern "C" {
 #endif
 
 #if defined(_TDI_)
-  #define TDIKRNLAPI DECLSPEC_EXPORT
+  #define TDIKRNLAPI
 #else
   #define TDIKRNLAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/ddk/upssvc.h b/reactos/include/ddk/upssvc.h
index 11c0be3cf30..1d3792acfa0 100644
--- a/reactos/include/ddk/upssvc.h
+++ b/reactos/include/ddk/upssvc.h
@@ -28,7 +28,7 @@ extern "C" {
 #endif
 
 #if defined(_APCUPS_)
-  #define UPSAPI DECLSPEC_EXPORT
+  #define UPSAPI
 #else
   #define UPSAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/ddk/usbcamdi.h b/reactos/include/ddk/usbcamdi.h
index af58b335b3f..461b0bc2b4d 100644
--- a/reactos/include/ddk/usbcamdi.h
+++ b/reactos/include/ddk/usbcamdi.h
@@ -34,7 +34,7 @@ extern "C" {
 #pragma pack(push,4)
 
 #if defined(_BATTERYCLASS_)
-  #define USBCAMAPI DECLSPEC_EXPORT
+  #define USBCAMAPI
 #else
   #define USBCAMAPI DECLSPEC_IMPORT
 #endif
diff --git a/reactos/include/psdk/authz.h b/reactos/include/psdk/authz.h
index 4f576c5d614..da2cf6f119a 100644
--- a/reactos/include/psdk/authz.h
+++ b/reactos/include/psdk/authz.h
@@ -20,7 +20,7 @@
 #if !defined(_AUTHZ_)
 #define AUTHZAPI DECLSPEC_IMPORT
 #else
-#define AUTHZAPI DECLSPEC_EXPORT
+#define AUTHZAPI
 #endif
 
 #ifdef __cplusplus
diff --git a/reactos/include/psdk/batclass.h b/reactos/include/psdk/batclass.h
index 084bbc26aa6..fcddcb82f6d 100644
--- a/reactos/include/psdk/batclass.h
+++ b/reactos/include/psdk/batclass.h
@@ -28,7 +28,7 @@ extern "C" {
 #endif
 
 #if defined(_BATTERYCLASS_)
-  #define BCLASSAPI DECLSPEC_EXPORT
+  #define BCLASSAPI
 #else
   #define BCLASSAPI DECLSPEC_IMPORT
 #endif