diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 53069aef1f489f76579741a30d781a13752ab491..99f96e19ebea8bd2b6704aa61c0f97da52dbb69b 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -445,13 +445,19 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
 
 #else
 
-int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
-				 unsigned char *buffer, int offset,
-				 size_t count);
+static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
+					unsigned char *buffer, int offset,
+					size_t count)
+{
+	return -ENOSYS;
+}
 
-int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
-				  const unsigned char *buffer,
-				  int offset, size_t count);
+static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
+					 const unsigned char *buffer,
+					 int offset, size_t count)
+{
+	return -ENOSYS;
+}
 
 #endif
 
@@ -549,13 +555,19 @@ static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
 
 #else
 
-int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
-				 unsigned char *buffer, int offset,
-				 size_t count);
+static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
+					unsigned char *buffer, int offset,
+					size_t count)
+{
+	return -ENOSYS;
+}
 
-int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
-				  const unsigned char *buffer,
-				  int offset, size_t count);
+static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
+					 const unsigned char *buffer,
+					 int offset, size_t count)
+{
+	return -ENOSYS;
+}
 
 #endif