diff --git a/include/etiss/SimpleMemSystem.h b/include/etiss/SimpleMemSystem.h
index d066acfce7..26b42becf0 100644
--- a/include/etiss/SimpleMemSystem.h
+++ b/include/etiss/SimpleMemSystem.h
@@ -112,9 +112,9 @@ class MemSegment
 
     void load(const void *data, size_t offset, size_t file_size_bytes);
 
-    inline bool addr_in_range(etiss::uint64 addr) const;
+    bool addr_in_range(etiss::uint64 addr) const;
 
-    inline bool payload_in_range(etiss::uint64 addr, etiss::uint64 payload_size) const;
+    bool payload_in_range(etiss::uint64 addr, etiss::uint64 payload_size) const;
 };
 
 /**
diff --git a/src/SimpleMemSystem.cpp b/src/SimpleMemSystem.cpp
index bc3ba46f91..00cff6a6af 100644
--- a/src/SimpleMemSystem.cpp
+++ b/src/SimpleMemSystem.cpp
@@ -175,12 +175,12 @@ void MemSegment::load(const void *data, size_t offset, size_t file_size_bytes)
     }
 }
 
-inline bool MemSegment::addr_in_range(etiss::uint64 addr) const
+bool MemSegment::addr_in_range(etiss::uint64 addr) const
 {
     return ((addr >= start_addr_ && addr <= end_addr_) ? true : false);
 }
 
-inline bool MemSegment::payload_in_range(etiss::uint64 addr, etiss::uint64 payload_size) const
+bool MemSegment::payload_in_range(etiss::uint64 addr, etiss::uint64 payload_size) const
 {
     if (addr_in_range(addr))
     {