diff --git a/src/p_armpe.h b/src/p_armpe.h
index 7c829bef..85a06107 100644
--- a/src/p_armpe.h
+++ b/src/p_armpe.h
@@ -56,8 +56,8 @@ public:
                                unsigned s1addr);
     virtual void addNewRelocations(Reloc &, unsigned upxsection);
     virtual unsigned getProcessImportParam(unsigned upxsection);
-    virtual void setOhDataBase(const pe_section_t *osection) override;
-    virtual void setOhHeaderSize(const pe_section_t *osection) override;
+    virtual void setOhDataBase(const pe_section_t *osection);
+    virtual void setOhHeaderSize(const pe_section_t *osection);
     virtual void pack(OutputFile *fo);
 
     virtual bool canPack();
diff --git a/src/p_w32pe.h b/src/p_w32pe.h
index 8208e5d0..dc8e6f8c 100644
--- a/src/p_w32pe.h
+++ b/src/p_w32pe.h
@@ -52,8 +52,8 @@ public:
                                unsigned sizeof_oh, unsigned isize_isplit,
                                unsigned s1addr);
     virtual void addNewRelocations(Reloc &, unsigned upxsection);
-    virtual void setOhDataBase(const pe_section_t *osection) override;
-    virtual void setOhHeaderSize(const pe_section_t *osection) override;
+    virtual void setOhDataBase(const pe_section_t *osection);
+    virtual void setOhHeaderSize(const pe_section_t *osection);
     virtual void pack(OutputFile *fo);
 
     virtual bool canPack();
diff --git a/src/p_w64pep.h b/src/p_w64pep.h
index 651349a9..cf1b409b 100644
--- a/src/p_w64pep.h
+++ b/src/p_w64pep.h
@@ -50,8 +50,8 @@ public:
     virtual void defineSymbols(unsigned ncsection, unsigned upxsection,
                                unsigned sizeof_oh, unsigned isize_isplit,
                                unsigned s1addr);
-    virtual void setOhDataBase(const pe_section_t *) override {}
-    virtual void setOhHeaderSize(const pe_section_t *) override {}
+    virtual void setOhDataBase(const pe_section_t *) {}
+    virtual void setOhHeaderSize(const pe_section_t *) {}
     virtual void pack(OutputFile *fo);
 
     virtual bool canPack();