diff --git a/common/plugins/altium/altium_parser.cpp b/common/plugins/altium/altium_parser.cpp
index 52e504b301..4bd5568ae1 100644
--- a/common/plugins/altium/altium_parser.cpp
+++ b/common/plugins/altium/altium_parser.cpp
@@ -25,6 +25,7 @@
 
 #include <compoundfilereader.h>
 #include <ki_exception.h>
+#include <math/util.h>
 #include <sstream>
 #include <utf.h>
 #include <wx/wx.h>
@@ -149,6 +150,29 @@ std::map<wxString, wxString> ALTIUM_PARSER::ReadProperties()
     return kv;
 }
 
+
+int32_t ALTIUM_PARSER::ConvertToKicadUnit( const double aValue )
+{
+    const double int_limit = ( std::numeric_limits<int>::max() - 1 ) / 2.54;
+
+    int32_t iu = KiROUND( Clamp<double>( -int_limit, aValue, int_limit ) * 2.54 );
+
+    // Altium stores metric units up to 0.001mm (1000nm) in accuracy. This code fixes rounding errors.
+    // Because imperial units > 0.01mil are always even, this workaround should never trigger for them.
+    switch( iu % 1000 )
+    {
+    case 1:
+    case -999:
+        return iu - 1;
+    case 999:
+    case -1:
+        return iu + 1;
+    default:
+        return iu;
+    }
+}
+
+
 int ALTIUM_PARSER::PropertiesReadInt(
         const std::map<wxString, wxString>& aProperties, const wxString& aKey, int aDefault )
 {
@@ -156,6 +180,7 @@ int ALTIUM_PARSER::PropertiesReadInt(
     return value == aProperties.end() ? aDefault : wxAtoi( value->second );
 }
 
+
 double ALTIUM_PARSER::PropertiesReadDouble(
         const std::map<wxString, wxString>& aProperties, const wxString& aKey, double aDefault )
 {
diff --git a/common/plugins/altium/altium_parser.h b/common/plugins/altium/altium_parser.h
index 1424cc3fba..696553663c 100644
--- a/common/plugins/altium/altium_parser.h
+++ b/common/plugins/altium/altium_parser.h
@@ -28,7 +28,6 @@
 #include <map>
 #include <memory>
 
-#include <math/util.h>
 #include <wx/gdicmn.h>
 #include <vector>
 
@@ -138,26 +137,7 @@ public:
 
     std::map<wxString, wxString> ReadProperties();
 
-    static int32_t ConvertToKicadUnit( const double aValue )
-    {
-        const double int_limit = ( std::numeric_limits<int>::max() - 1 ) / 2.54;
-
-        int32_t iu = KiROUND( Clamp<double>( -int_limit, aValue, int_limit ) * 2.54 );
-
-        // Altium stores metric units up to 0.001mm (1000nm) in accuracy. This code fixes rounding errors.
-        // Because imperial units > 0.01mil are always even, this workaround should never trigger for them.
-        switch( iu % 1000 )
-        {
-        case 1:
-        case -999:
-            return iu - 1;
-        case 999:
-        case -1:
-            return iu + 1;
-        default:
-            return iu;
-        }
-    }
+    static int32_t ConvertToKicadUnit( const double aValue );
 
     static int PropertiesReadInt(
             const std::map<wxString, wxString>& aProperties, const wxString& aKey, int aDefault );
diff --git a/eeschema/lib_circle.cpp b/eeschema/lib_circle.cpp
index 6f8bcf9336..b15155ff51 100644
--- a/eeschema/lib_circle.cpp
+++ b/eeschema/lib_circle.cpp
@@ -265,6 +265,12 @@ void LIB_CIRCLE::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, MSG_PANEL_ITEMS& aList
 }
 
 
+int LIB_CIRCLE::GetRadius() const
+{
+    return KiROUND( GetLineLength( m_EndPos, m_Pos ) );
+}
+
+
 wxString LIB_CIRCLE::GetSelectMenuText( EDA_UNITS aUnits ) const
 {
     return wxString::Format( _( "Circle, radius %s" ),
diff --git a/eeschema/lib_circle.h b/eeschema/lib_circle.h
index 19ddb00dbe..cfc0e205f7 100644
--- a/eeschema/lib_circle.h
+++ b/eeschema/lib_circle.h
@@ -26,7 +26,6 @@
 #define LIB_CIRCLE_H
 
 #include <lib_item.h>
-#include <math/util.h>      // for KiROUND
 #include <trigo.h>          // for GetLineLength
 
 
@@ -81,7 +80,7 @@ public:
     void SetWidth( int aWidth ) override { m_Width = aWidth; }
 
     void SetRadius( int aRadius ) { m_EndPos = wxPoint( m_Pos.x + aRadius, m_Pos.y ); }
-    int GetRadius() const { return KiROUND( GetLineLength( m_EndPos, m_Pos ) ); }
+    int  GetRadius() const;
 
     wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
 
diff --git a/eeschema/sch_no_connect.h b/eeschema/sch_no_connect.h
index 62000810ce..d2374dc49f 100644
--- a/eeschema/sch_no_connect.h
+++ b/eeschema/sch_no_connect.h
@@ -31,7 +31,6 @@
 
 
 #include <sch_item.h>
-#include <math/util.h>      // for KiROUND
 
 
 class NETLIST_OBJECT_LIST;
diff --git a/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp b/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp
index afcdeb6e16..07f21dd43d 100644
--- a/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp
+++ b/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp
@@ -40,6 +40,7 @@
 #include <lib_polyline.h>
 #include <lib_rectangle.h>
 #include <lib_text.h>
+#include <math/util.h>                           // KiROUND, Clamp
 #include <sch_bitmap.h>
 #include <sch_bus_entry.h>
 #include <sch_symbol.h>
@@ -450,6 +451,29 @@ double SCH_SEXPR_PARSER::parseDouble()
 }
 
 
+int SCH_SEXPR_PARSER::parseInternalUnits()
+{
+    auto retval = parseDouble() * IU_PER_MM;
+
+    // Schematic internal units are represented as integers.  Any values that are
+    // larger or smaller than the schematic units represent undefined behavior for
+    // the system.  Limit values to the largest that can be displayed on the screen.
+    double int_limit = std::numeric_limits<int>::max() * 0.7071; // 0.7071 = roughly 1/sqrt(2)
+
+    return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
+}
+
+
+int SCH_SEXPR_PARSER::parseInternalUnits( const char* aExpected )
+{
+    auto retval = parseDouble( aExpected ) * IU_PER_MM;
+
+    double int_limit = std::numeric_limits<int>::max() * 0.7071;
+
+    return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
+}
+
+
 void SCH_SEXPR_PARSER::parseStroke( STROKE_PARAMS& aStroke )
 {
     wxCHECK_RET( CurTok() == T_stroke,
diff --git a/eeschema/sch_plugins/kicad/sch_sexpr_parser.h b/eeschema/sch_plugins/kicad/sch_sexpr_parser.h
index 970b1fdc1b..7674182066 100644
--- a/eeschema/sch_plugins/kicad/sch_sexpr_parser.h
+++ b/eeschema/sch_plugins/kicad/sch_sexpr_parser.h
@@ -32,7 +32,6 @@
 #define __SCH_SEXPR_PARSER_H__
 
 #include <convert_to_biu.h>                      // IU_PER_MM
-#include <math/util.h>                           // KiROUND, Clamp
 
 #include <class_library.h>
 #include <schematic_lexer.h>
@@ -123,26 +122,9 @@ class SCH_SEXPR_PARSER : public SCHEMATIC_LEXER
         return parseDouble( GetTokenText( aToken ) );
     }
 
-    inline int parseInternalUnits()
-    {
-        auto retval = parseDouble() * IU_PER_MM;
+    int parseInternalUnits();
 
-        // Schematic internal units are represented as integers.  Any values that are
-        // larger or smaller than the schematic units represent undefined behavior for
-        // the system.  Limit values to the largest that can be displayed on the screen.
-        double int_limit = std::numeric_limits<int>::max() * 0.7071; // 0.7071 = roughly 1/sqrt(2)
-
-        return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
-    }
-
-    inline int parseInternalUnits( const char* aExpected )
-    {
-        auto retval = parseDouble( aExpected ) * IU_PER_MM;
-
-        double int_limit = std::numeric_limits<int>::max() * 0.7071;
-
-        return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
-    }
+    int parseInternalUnits( const char* aExpected );
 
     inline int parseInternalUnits( TSCHEMATIC_T::T aToken )
     {
diff --git a/pcbnew/pcb_shape.cpp b/pcbnew/pcb_shape.cpp
index efd8dc981a..a03505d70b 100644
--- a/pcbnew/pcb_shape.cpp
+++ b/pcbnew/pcb_shape.cpp
@@ -41,6 +41,7 @@
 #include <settings/color_settings.h>
 #include <settings/settings_manager.h>
 #include <i18n_utility.h>
+#include <math/util.h>      // for KiROUND
 
 
 PCB_SHAPE::PCB_SHAPE( BOARD_ITEM* aParent, KICAD_T idtype ) :
@@ -440,6 +441,15 @@ double PCB_SHAPE::GetArcAngleEnd() const
 }
 
 
+int PCB_SHAPE::GetRadius() const
+{
+    double radius = GetLineLength( m_start, m_end );
+
+    // don't allow degenerate arcs
+    return std::max( 1, KiROUND( radius ) );
+}
+
+
 void PCB_SHAPE::SetArcGeometry( const wxPoint& aStart, const wxPoint& aMid, const wxPoint& aEnd )
 {
     SetArcStart( aStart );
diff --git a/pcbnew/pcb_shape.h b/pcbnew/pcb_shape.h
index 9c25ed259f..91a11643aa 100644
--- a/pcbnew/pcb_shape.h
+++ b/pcbnew/pcb_shape.h
@@ -28,7 +28,6 @@
 #include <board_item.h>
 #include <eda_units.h>
 #include <convert_to_biu.h>
-#include <math/util.h>      // for KiROUND
 #include <math_for_graphics.h>
 #include <trigo.h>
 #include <geometry/shape_poly_set.h>
@@ -198,13 +197,7 @@ public:
      * returns the radius of this item
      * Has meaning only for arc and circle
      */
-    int GetRadius() const
-    {
-        double radius = GetLineLength( m_start, m_end );
-
-        // don't allow degenerate arcs
-        return std::max( 1, KiROUND( radius ) );
-    }
+    int GetRadius() const;
 
     /**
      * Initialize the start arc point. can be used for circles
diff --git a/pcbnew/pcbplot.h b/pcbnew/pcbplot.h
index 04e3c9c261..2de7a71ad4 100644
--- a/pcbnew/pcbplot.h
+++ b/pcbnew/pcbplot.h
@@ -30,7 +30,6 @@
 #define PCBPLOT_H_
 
 #include <layers_id_colors_and_visibility.h>
-#include <math/util.h> // for KiROUND
 #include <pad_shapes.h>
 #include <pcb_plot_params.h>
 #include <pgm_base.h>
diff --git a/pcbnew/plugins/kicad/pcb_parser.cpp b/pcbnew/plugins/kicad/pcb_parser.cpp
index bc0d58c1d1..cce5924c3e 100644
--- a/pcbnew/plugins/kicad/pcb_parser.cpp
+++ b/pcbnew/plugins/kicad/pcb_parser.cpp
@@ -54,6 +54,7 @@
 #include <plugins/kicad/pcb_parser.h>
 #include <convert_basic_shapes_to_polygon.h>    // for RECT_CHAMFER_POSITIONS definition
 #include <template_fieldnames.h>
+#include <math/util.h>                           // KiROUND, Clamp
 #include <wx/log.h>
 
 using namespace PCB_KEYS_T;
@@ -167,6 +168,40 @@ double PCB_PARSER::parseDouble()
 }
 
 
+int PCB_PARSER::parseBoardUnits()
+{
+    // There should be no major rounding issues here, since the values in
+    // the file are in mm and get converted to nano-meters.
+    // See test program tools/test-nm-biu-to-ascii-mm-round-tripping.cpp
+    // to confirm or experiment.  Use a similar strategy in both places, here
+    // and in the test program. Make that program with:
+    // $ make test-nm-biu-to-ascii-mm-round-tripping
+    auto retval = parseDouble() * IU_PER_MM;
+
+    // N.B. we currently represent board units as integers.  Any values that are
+    // larger or smaller than those board units represent undefined behavior for
+    // the system.  We limit values to the largest that is visible on the screen
+    // This is the diagonal distance of the full screen ~1.5m
+    double int_limit = std::numeric_limits<int>::max() * 0.7071; // 0.7071 = roughly 1/sqrt(2)
+    return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
+}
+
+
+int PCB_PARSER::parseBoardUnits( const char* aExpected )
+{
+    auto retval = parseDouble( aExpected ) * IU_PER_MM;
+
+    // N.B. we currently represent board units as integers.  Any values that are
+    // larger or smaller than those board units represent undefined behavior for
+    // the system.  We limit values to the largest that is visible on the screen
+    double int_limit = std::numeric_limits<int>::max() * 0.7071;
+
+    // Use here #KiROUND, not EKIROUND (see comments about them) when having a function as
+    // argument, because it will be called twice with #KIROUND.
+    return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
+}
+
+
 bool PCB_PARSER::parseBool()
 {
     T token = NextTok();
diff --git a/pcbnew/plugins/kicad/pcb_parser.h b/pcbnew/plugins/kicad/pcb_parser.h
index 812931b2cf..19711f6699 100644
--- a/pcbnew/plugins/kicad/pcb_parser.h
+++ b/pcbnew/plugins/kicad/pcb_parser.h
@@ -33,7 +33,6 @@
 #include <convert_to_biu.h>                      // IU_PER_MM
 #include <hashtables.h>
 #include <layers_id_colors_and_visibility.h>     // PCB_LAYER_ID
-#include <math/util.h>                           // KiROUND, Clamp
 #include <pcb_lexer.h>
 
 #include <unordered_map>
@@ -284,37 +283,9 @@ private:
         return parseDouble( GetTokenText( aToken ) );
     }
 
-    inline int parseBoardUnits()
-    {
-        // There should be no major rounding issues here, since the values in
-        // the file are in mm and get converted to nano-meters.
-        // See test program tools/test-nm-biu-to-ascii-mm-round-tripping.cpp
-        // to confirm or experiment.  Use a similar strategy in both places, here
-        // and in the test program. Make that program with:
-        // $ make test-nm-biu-to-ascii-mm-round-tripping
-        auto retval = parseDouble() * IU_PER_MM;
+    int parseBoardUnits();
 
-        // N.B. we currently represent board units as integers.  Any values that are
-        // larger or smaller than those board units represent undefined behavior for
-        // the system.  We limit values to the largest that is visible on the screen
-        // This is the diagonal distance of the full screen ~1.5m
-        double int_limit = std::numeric_limits<int>::max() * 0.7071;  // 0.7071 = roughly 1/sqrt(2)
-        return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
-    }
-
-    inline int parseBoardUnits( const char* aExpected )
-    {
-        auto retval = parseDouble( aExpected ) * IU_PER_MM;
-
-        // N.B. we currently represent board units as integers.  Any values that are
-        // larger or smaller than those board units represent undefined behavior for
-        // the system.  We limit values to the largest that is visible on the screen
-        double int_limit = std::numeric_limits<int>::max() * 0.7071;
-
-        // Use here #KiROUND, not EKIROUND (see comments about them) when having a function as
-        // argument, because it will be called twice with #KIROUND.
-        return KiROUND( Clamp<double>( -int_limit, retval, int_limit ) );
-    }
+    int parseBoardUnits( const char* aExpected );
 
     inline int parseBoardUnits( PCB_KEYS_T::T aToken )
     {