diff --git a/source/blender/blenkernel/intern/lib_override.cc b/source/blender/blenkernel/intern/lib_override.cc
index 215759a8e50..4629c7c146a 100644
--- a/source/blender/blenkernel/intern/lib_override.cc
+++ b/source/blender/blenkernel/intern/lib_override.cc
@@ -67,8 +67,7 @@
 
 #include "lib_intern.hh"
 
-#define OVERRIDE_AUTO_CHECK_DELAY 0.2 /* 200ms between auto-override checks. */
-//#define DEBUG_OVERRIDE_TIMEIT
+// #define DEBUG_OVERRIDE_TIMEIT
 
 #ifdef DEBUG_OVERRIDE_TIMEIT
 #  include "PIL_time_utildefines.h"
diff --git a/source/blender/blenkernel/intern/studiolight.cc b/source/blender/blenkernel/intern/studiolight.cc
index 68f4b698dc7..b3f28bd572c 100644
--- a/source/blender/blenkernel/intern/studiolight.cc
+++ b/source/blender/blenkernel/intern/studiolight.cc
@@ -38,7 +38,6 @@
 /* Statics */
 static ListBase studiolights;
 static int last_studiolight_id = 0;
-#define STUDIOLIGHT_RADIANCE_CUBEMAP_SIZE 96
 #define STUDIOLIGHT_PASSNAME_DIFFUSE "diffuse"
 #define STUDIOLIGHT_PASSNAME_SPECULAR "specular"
 
diff --git a/source/blender/blenlib/BLI_winstuff.h b/source/blender/blenlib/BLI_winstuff.h
index 4df7607d18d..4fe5d06c5e0 100644
--- a/source/blender/blenlib/BLI_winstuff.h
+++ b/source/blender/blenlib/BLI_winstuff.h
@@ -46,8 +46,6 @@ extern "C" {
 #  define _USE_MATH_DEFINES
 #endif
 
-#define MAXPATHLEN MAX_PATH
-
 #ifndef S_ISREG
 #  define S_ISREG(x) (((x)&_S_IFREG) == _S_IFREG)
 #endif
diff --git a/source/blender/blenloader/intern/writefile.cc b/source/blender/blenloader/intern/writefile.cc
index d92276ec10f..a79fb19fd3a 100644
--- a/source/blender/blenloader/intern/writefile.cc
+++ b/source/blender/blenloader/intern/writefile.cc
@@ -762,9 +762,6 @@ static void writelist_id(WriteData *wd, int filecode, const char *structname, co
 #define writestruct(wd, filecode, struct_id, nr, adr) \
   writestruct_nr(wd, filecode, SDNA_TYPE_FROM_STRUCT(struct_id), nr, adr)
 
-#define writelist(wd, filecode, struct_id, lb) \
-  writelist_nr(wd, filecode, SDNA_TYPE_FROM_STRUCT(struct_id), lb)
-
 /** \} */
 
 /* -------------------------------------------------------------------- */
diff --git a/source/blender/editors/include/ED_anim_api.hh b/source/blender/editors/include/ED_anim_api.hh
index 6eb7f46f705..e814a10ca33 100644
--- a/source/blender/editors/include/ED_anim_api.hh
+++ b/source/blender/editors/include/ED_anim_api.hh
@@ -454,9 +454,6 @@ ENUM_OPERATORS(eAnimFilter_Flags, ANIMFILTER_TMP_IGNORE_ONLYSEL);
 /** Track widths */
 #define NLATRACK_NAMEWIDTH (10 * U.widget_unit)
 
-/** Track toggle-buttons */
-#define NLATRACK_BUTTON_WIDTH (0.8f * U.widget_unit)
-
 /** \} */
 
 /* -------------------------------------------------------------------- */
diff --git a/source/blender/editors/include/ED_transform.hh b/source/blender/editors/include/ED_transform.hh
index 1722949df45..24869d9f413 100644
--- a/source/blender/editors/include/ED_transform.hh
+++ b/source/blender/editors/include/ED_transform.hh
@@ -119,10 +119,9 @@ int BIF_countTransformOrientation(const bContext *C);
 #define P_CENTER (1 << 14)
 #define P_GPENCIL_EDIT (1 << 15)
 #define P_CURSOR_EDIT (1 << 16)
-#define P_CLNOR_INVALIDATE (1 << 17)
-#define P_VIEW2D_EDGE_PAN (1 << 18)
+#define P_VIEW2D_EDGE_PAN (1 << 17)
 /* For properties performed when confirming the transformation. */
-#define P_POST_TRANSFORM (1 << 19)
+#define P_POST_TRANSFORM (1 << 18)
 
 void Transform_Properties(wmOperatorType *ot, int flags);
 
diff --git a/source/blender/editors/screen/area.cc b/source/blender/editors/screen/area.cc
index 1b9ceef4c04..8a99a778158 100644
--- a/source/blender/editors/screen/area.cc
+++ b/source/blender/editors/screen/area.cc
@@ -985,10 +985,10 @@ static bool region_background_is_transparent(const ScrArea *area, const ARegion
   return back[3] < 50;
 }
 
-#define AZONEPAD_EDGE (0.1f * U.widget_unit)
-#define AZONEPAD_ICON (0.45f * U.widget_unit)
 static void region_azone_edge(const ScrArea *area, AZone *az, const ARegion *region)
 {
+  const int azonepad_edge = (0.1f * U.widget_unit);
+
   /* If there is no visible region background, users typically expect the #AZone to be closer to
    * the content, so move it a bit. */
   const int overlap_padding =
@@ -1004,26 +1004,26 @@ static void region_azone_edge(const ScrArea *area, AZone *az, const ARegion *reg
   switch (az->edge) {
     case AE_TOP_TO_BOTTOMRIGHT:
       az->x1 = region->winrct.xmin;
-      az->y1 = region->winrct.ymax - AZONEPAD_EDGE - overlap_padding;
+      az->y1 = region->winrct.ymax - azonepad_edge - overlap_padding;
       az->x2 = region->winrct.xmax;
-      az->y2 = region->winrct.ymax + AZONEPAD_EDGE - overlap_padding;
+      az->y2 = region->winrct.ymax + azonepad_edge - overlap_padding;
       break;
     case AE_BOTTOM_TO_TOPLEFT:
       az->x1 = region->winrct.xmin;
-      az->y1 = region->winrct.ymin + AZONEPAD_EDGE + overlap_padding;
+      az->y1 = region->winrct.ymin + azonepad_edge + overlap_padding;
       az->x2 = region->winrct.xmax;
-      az->y2 = region->winrct.ymin - AZONEPAD_EDGE + overlap_padding;
+      az->y2 = region->winrct.ymin - azonepad_edge + overlap_padding;
       break;
     case AE_LEFT_TO_TOPRIGHT:
-      az->x1 = region->winrct.xmin - AZONEPAD_EDGE + overlap_padding;
+      az->x1 = region->winrct.xmin - azonepad_edge + overlap_padding;
       az->y1 = region->winrct.ymin;
-      az->x2 = region->winrct.xmin + AZONEPAD_EDGE + overlap_padding;
+      az->x2 = region->winrct.xmin + azonepad_edge + overlap_padding;
       az->y2 = region->winrct.ymax;
       break;
     case AE_RIGHT_TO_TOPLEFT:
-      az->x1 = region->winrct.xmax + AZONEPAD_EDGE - overlap_padding;
+      az->x1 = region->winrct.xmax + azonepad_edge - overlap_padding;
       az->y1 = region->winrct.ymin;
-      az->x2 = region->winrct.xmax - AZONEPAD_EDGE - overlap_padding;
+      az->x2 = region->winrct.xmax - azonepad_edge - overlap_padding;
       az->y2 = region->winrct.ymax;
       break;
   }
diff --git a/source/blender/editors/space_sequencer/sequencer_timeline_draw.cc b/source/blender/editors/space_sequencer/sequencer_timeline_draw.cc
index 9fc9d2f4dd2..73632591c68 100644
--- a/source/blender/editors/space_sequencer/sequencer_timeline_draw.cc
+++ b/source/blender/editors/space_sequencer/sequencer_timeline_draw.cc
@@ -75,7 +75,6 @@
 #define SEQ_LEFTHANDLE 1
 #define SEQ_RIGHTHANDLE 2
 #define SEQ_HANDLE_SIZE 8.0f
-#define SEQ_SCROLLER_TEXT_OFFSET 8
 #define MUTE_ALPHA 120
 
 struct StripDrawContext {
diff --git a/source/blender/editors/space_text/text_intern.hh b/source/blender/editors/space_text/text_intern.hh
index aa6abaa2376..9fd22f89ecf 100644
--- a/source/blender/editors/space_text/text_intern.hh
+++ b/source/blender/editors/space_text/text_intern.hh
@@ -59,8 +59,6 @@ void text_update_cursor_moved(bContext *C);
 
 #define SUGG_LIST_SIZE 7
 #define SUGG_LIST_WIDTH 20
-#define DOC_WIDTH 40
-#define DOC_HEIGHT 10
 
 #define TOOL_SUGG_LIST 0x01
 
diff --git a/source/blender/editors/transform/transform_data.hh b/source/blender/editors/transform/transform_data.hh
index 75dab5e271e..70072374da1 100644
--- a/source/blender/editors/transform/transform_data.hh
+++ b/source/blender/editors/transform/transform_data.hh
@@ -168,7 +168,6 @@ enum {
    * need their keyframes tagged with this.
    */
   TD_INTVALUES = 1 << 11,
-#define TD_MIRROR_AXIS_SHIFT 12
   /** For edit-mode mirror. */
   TD_MIRROR_X = 1 << 12,
   TD_MIRROR_Y = 1 << 13,
diff --git a/source/blender/makesdna/DNA_gpencil_legacy_types.h b/source/blender/makesdna/DNA_gpencil_legacy_types.h
index 5002ef36e5c..dfb7a7ed6d1 100644
--- a/source/blender/makesdna/DNA_gpencil_legacy_types.h
+++ b/source/blender/makesdna/DNA_gpencil_legacy_types.h
@@ -29,8 +29,6 @@ struct MDeformVert;
 #define GPENCIL_MIN_FILL_FAC 0.05f
 #define GPENCIL_MAX_FILL_FAC 8.0f
 
-#define GPENCIL_MAX_THICKNESS 5000
-
 /* ***************************************** */
 /* GP Stroke Points */
 
@@ -889,8 +887,6 @@ typedef enum eGP_DrawMode {
 #define GPENCIL_SCULPT_MODE(gpd) ((gpd) && (gpd->flag & GP_DATA_STROKE_SCULPTMODE))
 #define GPENCIL_WEIGHT_MODE(gpd) ((gpd) && (gpd->flag & GP_DATA_STROKE_WEIGHTMODE))
 #define GPENCIL_VERTEX_MODE(gpd) ((gpd) && (gpd->flag & GP_DATA_STROKE_VERTEXMODE))
-#define GPENCIL_SCULPT_OR_WEIGHT_MODE(gpd) \
-  ((gpd) && ((gpd)->flag & (GP_DATA_STROKE_SCULPTMODE | GP_DATA_STROKE_WEIGHTMODE)))
 #define GPENCIL_NONE_EDIT_MODE(gpd) \
   ((gpd) && (((gpd)->flag & (GP_DATA_STROKE_EDITMODE | GP_DATA_STROKE_SCULPTMODE | \
                              GP_DATA_STROKE_WEIGHTMODE | GP_DATA_STROKE_VERTEXMODE)) == 0))
diff --git a/source/blender/makesdna/DNA_texture_types.h b/source/blender/makesdna/DNA_texture_types.h
index 01f60963e01..484f2610ed4 100644
--- a/source/blender/makesdna/DNA_texture_types.h
+++ b/source/blender/makesdna/DNA_texture_types.h
@@ -378,10 +378,6 @@ enum {
   TEX_NO_CLAMP = 1 << 10,
 };
 
-#define TEX_FLAG_MASK \
-  (TEX_COLORBAND | TEX_FLIPBLEND | TEX_NEGALPHA | TEX_CHECKER_ODD | TEX_CHECKER_EVEN | \
-   TEX_PRV_ALPHA | TEX_PRV_NOR | TEX_REPEAT_XMIR | TEX_REPEAT_YMIR)
-
 /** #Tex::extend (starts with 1 because of backward compatibility). */
 enum {
   TEX_EXTEND = 1,
diff --git a/source/blender/makesdna/DNA_userdef_types.h b/source/blender/makesdna/DNA_userdef_types.h
index 90f53d4a652..02274b70b03 100644
--- a/source/blender/makesdna/DNA_userdef_types.h
+++ b/source/blender/makesdna/DNA_userdef_types.h
@@ -32,8 +32,6 @@ struct ColorBand;
 
 /* ************************ style definitions ******************** */
 
-#define MAX_STYLE_NAME 64
-
 /**
  * Default offered by Blender.
  * #uiFont.uifont_id
@@ -90,7 +88,7 @@ typedef struct uiFontStyle {
 typedef struct uiStyle {
   struct uiStyle *next, *prev;
 
-  /** MAX_STYLE_NAME. */
+  /** #MAX_NAME */
   char name[64];
 
   uiFontStyle paneltitle;