diff --git a/types/bluebird/index.d.ts b/types/bluebird/index.d.ts
index 9c68e85212..b28f821e12 100644
--- a/types/bluebird/index.d.ts
+++ b/types/bluebird/index.d.ts
@@ -35,6 +35,8 @@
  *   THE SOFTWARE.
  */
 
+type CatchFilter<E> = (new (...args: any[]) => E) | ((error: E) => boolean) | (object & E);
+
 declare class Bluebird<R> implements PromiseLike<R>, Bluebird.Inspection<R> {
   /**
    * Create a new promise. The passed in function will receive functions `resolve` and `reject` as its arguments which can be called to seal the fate of the created promise.
@@ -77,128 +79,69 @@ declare class Bluebird<R> implements PromiseLike<R>, Bluebird.Inspection<R> {
    *
    * Alias `.caught();` for compatibility with earlier ECMAScript version.
    */
-  catch<E1 extends Error, E2 extends Error, E3 extends Error, E4 extends Error, E5 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    filter3: (new (...args: any[]) => E3),
-    filter4: (new (...args: any[]) => E4),
-    filter5: (new (...args: any[]) => E5),
-    onReject: (error: E1 | E2 | E3 | E4 | E5) => R | PromiseLike<R>,
-  ): Bluebird<R>;
   catch<E1, E2, E3, E4, E5>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
-    filter3: ((error: E3) => boolean) | (E3 & object),
-    filter4: ((error: E4) => boolean) | (E4 & object),
-    filter5: ((error: E5) => boolean) | (E5 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
+    filter3: CatchFilter<E3>,
+    filter4: CatchFilter<E4>,
+    filter5: CatchFilter<E5>,
     onReject: (error: E1 | E2 | E3 | E4 | E5) => R | PromiseLike<R>,
   ): Bluebird<R>;
-  catch<U, E1 extends Error, E2 extends Error, E3 extends Error, E4 extends Error, E5 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    filter3: (new (...args: any[]) => E3),
-    filter4: (new (...args: any[]) => E4),
-    filter5: (new (...args: any[]) => E5),
-    onReject: (error: E1 | E2 | E3 | E4 | E5) => U | PromiseLike<U>,
-  ): Bluebird<U | R>;
   catch<U, E1, E2, E3, E4, E5>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
-    filter3: ((error: E3) => boolean) | (E3 & object),
-    filter4: ((error: E4) => boolean) | (E4 & object),
-    filter5: ((error: E5) => boolean) | (E5 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
+    filter3: CatchFilter<E3>,
+    filter4: CatchFilter<E4>,
+    filter5: CatchFilter<E5>,
     onReject: (error: E1 | E2 | E3 | E4 | E5) => U | PromiseLike<U>,
   ): Bluebird<U | R>;
 
-  catch<E1 extends Error, E2 extends Error, E3 extends Error, E4 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    filter3: (new (...args: any[]) => E3),
-    filter4: (new (...args: any[]) => E4),
-    onReject: (error: E1 | E2 | E3 | E4) => R | PromiseLike<R>,
-  ): Bluebird<R>;
   catch<E1, E2, E3, E4>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
-    filter3: ((error: E3) => boolean) | (E3 & object),
-    filter4: ((error: E4) => boolean) | (E4 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
+    filter3: CatchFilter<E3>,
+    filter4: CatchFilter<E4>,
     onReject: (error: E1 | E2 | E3 | E4) => R | PromiseLike<R>,
   ): Bluebird<R>;
-  catch<U, E1 extends Error, E2 extends Error, E3 extends Error, E4 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    filter3: (new (...args: any[]) => E3),
-    filter4: (new (...args: any[]) => E4),
-    onReject: (error: E1 | E2 | E3 | E4) => U | PromiseLike<U>,
-  ): Bluebird<U | R>;
+
   catch<U, E1, E2, E3, E4>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
-    filter3: ((error: E3) => boolean) | (E3 & object),
-    filter4: ((error: E4) => boolean) | (E4 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
+    filter3: CatchFilter<E3>,
+    filter4: CatchFilter<E4>,
     onReject: (error: E1 | E2 | E3 | E4) => U | PromiseLike<U>,
   ): Bluebird<U | R>;
 
-  catch<E1 extends Error, E2 extends Error, E3 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    filter3: (new (...args: any[]) => E3),
-    onReject: (error: E1 | E2 | E3) => R | PromiseLike<R>,
-  ): Bluebird<R>;
   catch<E1, E2, E3>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
-    filter3: ((error: E3) => boolean) | (E3 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
+    filter3: CatchFilter<E3>,
     onReject: (error: E1 | E2 | E3) => R | PromiseLike<R>,
   ): Bluebird<R>;
-  catch<U, E1 extends Error, E2 extends Error, E3 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    filter3: (new (...args: any[]) => E3),
-    onReject: (error: E1 | E2 | E3) => U | PromiseLike<U>,
-  ): Bluebird<U | R>;
   catch<U, E1, E2, E3>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
-    filter3: ((error: E3) => boolean) | (E3 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
+    filter3: CatchFilter<E3>,
     onReject: (error: E1 | E2 | E3) => U | PromiseLike<U>,
   ): Bluebird<U | R>;
 
-  catch<E1 extends Error, E2 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    onReject: (error: E1 | E2) => R | PromiseLike<R>,
-  ): Bluebird<R>;
   catch<E1, E2>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
     onReject: (error: E1 | E2) => R | PromiseLike<R>,
   ): Bluebird<R>;
-  catch<U, E1 extends Error, E2 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    filter2: (new (...args: any[]) => E2),
-    onReject: (error: E1 | E2) => U | PromiseLike<U>,
-  ): Bluebird<U | R>;
   catch<U, E1, E2>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
-    filter2: ((error: E2) => boolean) | (E2 & object),
+    filter1: CatchFilter<E1>,
+    filter2: CatchFilter<E2>,
     onReject: (error: E1 | E2) => U | PromiseLike<U>,
   ): Bluebird<U | R>;
 
-  catch<E1 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    onReject: (error: E1) => R | PromiseLike<R>,
-  ): Bluebird<R>;
   catch<E1>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
+    filter1: CatchFilter<E1>,
     onReject: (error: E1) => R | PromiseLike<R>,
   ): Bluebird<R>;
-  catch<U, E1 extends Error>(
-    filter1: (new (...args: any[]) => E1),
-    onReject: (error: E1) => U | PromiseLike<U>,
-  ): Bluebird<U | R>;
   catch<U, E1>(
-    filter1: ((error: E1) => boolean) | (E1 & object),
+    filter1: CatchFilter<E1>,
     onReject: (error: E1) => U | PromiseLike<U>,
   ): Bluebird<U | R>;