diff --git a/src/material/core/month-constants.ts b/src/material/core/month-constants.ts
deleted file mode 100644
index b94e8045b513..000000000000
--- a/src/material/core/month-constants.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * @license
- * Copyright Google LLC All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
-/**
- * When constructing a Date, the month is zero-based. This can be confusing, since people are
- * used to seeing them one-based. So we create these aliases to make writing the tests easier.
- * @docs-private
- * @breaking-change 8.0.0 Remove this with V8 since it was only targeted for testing.
- */
-export const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8,
-  OCT = 9, NOV = 10, DEC = 11;
diff --git a/src/material/core/public-api.ts b/src/material/core/public-api.ts
index 1dd2d4932163..832eb91e02da 100644
--- a/src/material/core/public-api.ts
+++ b/src/material/core/public-api.ts
@@ -16,6 +16,3 @@ export * from './option/index';
 export * from './label/label-options';
 export * from './ripple/index';
 export * from './selection/index';
-
-// TODO(devversion): remove this with v8
-export * from './month-constants';
diff --git a/tools/public_api_guard/material/core.d.ts b/tools/public_api_guard/material/core.d.ts
index b483226d9c91..df8b05739012 100644
--- a/tools/public_api_guard/material/core.d.ts
+++ b/tools/public_api_guard/material/core.d.ts
@@ -55,10 +55,6 @@ export declare class AnimationDurations {
     static EXITING: string;
 }
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export interface CanColor {
     color: ThemePalette;
     defaultColor: ThemePalette | undefined;
@@ -121,8 +117,6 @@ export declare abstract class DateAdapter<D> {
     abstract today(): D;
 }
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export declare const defaultRippleAnimationConfig: {
     enterDuration: number;
     exitDuration: number;
@@ -134,8 +128,6 @@ export declare class ErrorStateMatcher {
     static ɵprov: i0.ɵɵInjectableDef<ErrorStateMatcher>;
 }
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export declare type FloatLabelType = 'always' | 'never' | 'auto';
 
 export interface GranularSanityChecks {
@@ -159,18 +151,10 @@ export interface HasTabIndex {
 
 export declare type HasTabIndexCtor = Constructor<HasTabIndex>;
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export interface LabelOptions {
     float?: FloatLabelType;
 }
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export declare const MAT_DATE_FORMATS: InjectionToken<MatDateFormats>;
 
 export declare const MAT_DATE_LOCALE: InjectionToken<string>;
@@ -305,8 +289,6 @@ export declare class MatRippleModule {
     static ɵmod: i0.ɵɵNgModuleDefWithMeta<MatRippleModule, [typeof i1.MatRipple], [typeof i2.MatCommonModule, typeof i3.PlatformModule], [typeof i1.MatRipple, typeof i2.MatCommonModule]>;
 }
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export declare function mixinColor<T extends Constructor<HasElementRef>>(base: T, defaultColor?: ThemePalette): CanColorCtor & T;
 
 export declare function mixinDisabled<T extends Constructor<{}>>(base: T): CanDisableCtor & T;
@@ -354,10 +336,6 @@ export declare class NativeDateModule {
     static ɵmod: i0.ɵɵNgModuleDefWithMeta<NativeDateModule, never, [typeof i1.PlatformModule], never>;
 }
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export interface RippleAnimationConfig {
     enterDuration?: number;
     exitDuration?: number;
@@ -414,8 +392,6 @@ export interface RippleTarget {
 
 export declare type SanityChecks = boolean | GranularSanityChecks;
 
-export declare const JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;
-
 export declare function setLines(lines: QueryList<unknown>, element: ElementRef<HTMLElement>, prefix?: string): void;
 
 export declare class ShowOnDirtyErrorStateMatcher implements ErrorStateMatcher {