diff --git a/ObjectiveGit/GTBlame.m b/ObjectiveGit/GTBlame.m
index c2dcb5e9a..fcdb0e0de 100644
--- a/ObjectiveGit/GTBlame.m
+++ b/ObjectiveGit/GTBlame.m
@@ -21,6 +21,13 @@ @interface GTBlame ()
 
 @implementation GTBlame
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_blame *gitBlame = NULL;
+	return [self initWithGitBlame:gitBlame];
+}
+
 - (instancetype)initWithGitBlame:(git_blame *)blame {
 	NSParameterAssert(blame != NULL);
 	
diff --git a/ObjectiveGit/GTBlameHunk.m b/ObjectiveGit/GTBlameHunk.m
index 4fc016c99..c55d9a313 100644
--- a/ObjectiveGit/GTBlameHunk.m
+++ b/ObjectiveGit/GTBlameHunk.m
@@ -12,6 +12,13 @@
 
 @implementation GTBlameHunk
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	const git_blame_hunk *hunk = NULL;
+	return [self initWithGitBlameHunk:*hunk];
+}
+
 - (instancetype)initWithGitBlameHunk:(git_blame_hunk)hunk {
 	self = [super init];
 	if (self == nil) return nil;
diff --git a/ObjectiveGit/GTBranch.m b/ObjectiveGit/GTBranch.m
index 8a4da3950..ed15fe86f 100644
--- a/ObjectiveGit/GTBranch.m
+++ b/ObjectiveGit/GTBranch.m
@@ -69,6 +69,12 @@ + (nullable instancetype)branchWithReference:(GTReference *)ref repository:(GTRe
 	return [[self alloc] initWithReference:ref repository:repo];
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithReference:[GTReference new] repository:[GTRepository new]];
+}
+
 - (nullable instancetype)initWithReference:(GTReference *)ref repository:(GTRepository *)repo {
 	NSParameterAssert(ref != nil);
 	NSParameterAssert(repo != nil);
diff --git a/ObjectiveGit/GTConfiguration.m b/ObjectiveGit/GTConfiguration.m
index 9ba160ef6..10bff98fa 100644
--- a/ObjectiveGit/GTConfiguration.m
+++ b/ObjectiveGit/GTConfiguration.m
@@ -33,6 +33,13 @@ - (void)dealloc {
 	}
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_config *gitConfig = NULL;
+	return [self initWithGitConfig:gitConfig repository:nil];
+}
+
 - (instancetype)initWithGitConfig:(git_config *)config repository:(GTRepository *)repository {
 	NSParameterAssert(config != NULL);
 
diff --git a/ObjectiveGit/GTDiff.m b/ObjectiveGit/GTDiff.m
index 15ae44143..1035ac1b1 100644
--- a/ObjectiveGit/GTDiff.m
+++ b/ObjectiveGit/GTDiff.m
@@ -156,6 +156,13 @@ + (instancetype)diffWorkingDirectoryToHEADInRepository:(GTRepository *)repositor
 	return HEADIndexDiff;
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_diff *gitDiff = NULL;
+	return [self initWithGitDiff:gitDiff repository:[GTRepository new]];
+}
+
 - (instancetype)initWithGitDiff:(git_diff *)diff repository:(GTRepository *)repository {
 	NSParameterAssert(diff != NULL);
 	NSParameterAssert(repository != nil);
diff --git a/ObjectiveGit/GTDiffDelta.m b/ObjectiveGit/GTDiffDelta.m
index 565cb9975..6ba34f19c 100644
--- a/ObjectiveGit/GTDiffDelta.m
+++ b/ObjectiveGit/GTDiffDelta.m
@@ -132,6 +132,12 @@ + (instancetype)diffDeltaFromData:(NSData *)oldData forPath:(NSString *)oldDataP
 	}];
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithDiff:[GTDiff new] deltaIndex:0];
+}
+
 - (instancetype)initWithDiff:(GTDiff *)diff deltaIndex:(NSUInteger)deltaIndex {
 	NSCParameterAssert(diff != nil);
 
diff --git a/ObjectiveGit/GTDiffFile.m b/ObjectiveGit/GTDiffFile.m
index 1478b6cbe..777a2370a 100644
--- a/ObjectiveGit/GTDiffFile.m
+++ b/ObjectiveGit/GTDiffFile.m
@@ -11,6 +11,13 @@
 
 @implementation GTDiffFile
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_diff_file *gitDiffFile = NULL;
+	return [self initWithGitDiffFile:*gitDiffFile];
+}
+
 - (instancetype)initWithGitDiffFile:(git_diff_file)file {
 	NSParameterAssert(file.path != NULL);
 
diff --git a/ObjectiveGit/GTDiffHunk.m b/ObjectiveGit/GTDiffHunk.m
index 51cabae78..ffcfaa13f 100644
--- a/ObjectiveGit/GTDiffHunk.m
+++ b/ObjectiveGit/GTDiffHunk.m
@@ -25,6 +25,12 @@ @interface GTDiffHunk ()
 
 @implementation GTDiffHunk
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithPatch:[GTDiffPatch new] hunkIndex:0];
+}
+
 - (instancetype)initWithPatch:(GTDiffPatch *)patch hunkIndex:(NSUInteger)hunkIndex {
 	NSParameterAssert(patch != nil);
 
diff --git a/ObjectiveGit/GTDiffLine.m b/ObjectiveGit/GTDiffLine.m
index 36df18c6e..61e9c9fc5 100644
--- a/ObjectiveGit/GTDiffLine.m
+++ b/ObjectiveGit/GTDiffLine.m
@@ -10,6 +10,13 @@
 
 @implementation GTDiffLine
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_diff_line *gitDiffLine = NULL;
+	return [self initWithGitLine:gitDiffLine];
+}
+
 - (instancetype)initWithGitLine:(const git_diff_line *)line {
 	self = [super init];
 	if (self == nil) return nil;
diff --git a/ObjectiveGit/GTDiffPatch.m b/ObjectiveGit/GTDiffPatch.m
index 6826d80a2..a791c3edf 100644
--- a/ObjectiveGit/GTDiffPatch.m
+++ b/ObjectiveGit/GTDiffPatch.m
@@ -7,8 +7,8 @@
 //
 
 #import "GTDiffPatch.h"
-
 #import "GTDiffHunk.h"
+#import "GTDiffDelta.h"
 
 @interface GTDiffPatch ()
 
@@ -20,6 +20,13 @@ @implementation GTDiffPatch
 
 #pragma mark Lifecycle
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_patch *gitPatch = NULL;
+	return [self initWithGitPatch:gitPatch delta:[GTDiffDelta new]];
+}
+
 - (instancetype)initWithGitPatch:(git_patch *)patch delta:(GTDiffDelta *)delta {
 	NSParameterAssert(patch != NULL);
 	NSParameterAssert(delta != nil);
diff --git a/ObjectiveGit/GTEnumerator.m b/ObjectiveGit/GTEnumerator.m
index f5dd5b0c8..3613d71b2 100644
--- a/ObjectiveGit/GTEnumerator.m
+++ b/ObjectiveGit/GTEnumerator.m
@@ -48,6 +48,13 @@ @implementation GTEnumerator
 
 #pragma mark Lifecycle
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithRepository:[GTRepository new] error:nil];
+}
+
+
 - (instancetype)initWithRepository:(GTRepository *)repo error:(NSError **)error {
 	NSParameterAssert(repo != nil);
 
diff --git a/ObjectiveGit/GTFetchHeadEntry.m b/ObjectiveGit/GTFetchHeadEntry.m
index 04a75c28a..e07a54526 100644
--- a/ObjectiveGit/GTFetchHeadEntry.m
+++ b/ObjectiveGit/GTFetchHeadEntry.m
@@ -8,9 +8,16 @@
 
 #import "GTFetchHeadEntry.h"
 #import "GTOID.h"
+#import "GTReference.h"
 
 @implementation GTFetchHeadEntry
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithReference:[GTReference new] remoteURLString:@"" targetOID:[GTOID new] isMerge:NO];
+}
+
 - (instancetype)initWithReference:(GTReference *)reference remoteURLString:(NSString *)remoteURLString targetOID:(GTOID *)targetOID isMerge:(BOOL)merge {
 	NSParameterAssert(reference != nil);
 	NSParameterAssert(remoteURLString != nil);
diff --git a/ObjectiveGit/GTFilter.m b/ObjectiveGit/GTFilter.m
index 4914f811a..debd19bed 100644
--- a/ObjectiveGit/GTFilter.m
+++ b/ObjectiveGit/GTFilter.m
@@ -42,6 +42,14 @@ + (void)initialize {
 	GTFiltersGitFilterToRegisteredFilters = [[NSMutableDictionary alloc] init];
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithName:@"" attributes:nil applyBlock:^NSData * __nonnull(void **payload, NSData * __nonnull from, GTFilterSource * __nonnull source, BOOL * __nonnull applied) {
+		return nil;
+	}];
+}
+
 - (instancetype)initWithName:(NSString *)name attributes:(NSString *)attributes applyBlock:(NSData * (^)(void **payload, NSData *from, GTFilterSource *source, BOOL *applied))applyBlock {
 	NSParameterAssert(name != nil);
 	NSParameterAssert(applyBlock != NULL);
diff --git a/ObjectiveGit/GTFilterList.m b/ObjectiveGit/GTFilterList.m
index 0f47a88d4..ef377eb00 100644
--- a/ObjectiveGit/GTFilterList.m
+++ b/ObjectiveGit/GTFilterList.m
@@ -25,6 +25,13 @@ @implementation GTFilterList
 
 #pragma mark Lifecycle
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_filter_list *gitFilterList = NULL;
+	return [self initWithGitFilterList:gitFilterList];
+}
+
 - (instancetype)initWithGitFilterList:(git_filter_list *)filterList {
 	NSParameterAssert(filterList != NULL);
 
diff --git a/ObjectiveGit/GTFilterSource.m b/ObjectiveGit/GTFilterSource.m
index 0c686cdc7..5b46107d5 100644
--- a/ObjectiveGit/GTFilterSource.m
+++ b/ObjectiveGit/GTFilterSource.m
@@ -16,6 +16,13 @@ @implementation GTFilterSource
 
 #pragma mark Lifecycle
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_filter_source *gitFilterSource = NULL;
+	return [self initWithGitFilterSource:gitFilterSource];
+}
+
 - (instancetype)initWithGitFilterSource:(const git_filter_source *)source {
 	NSParameterAssert(source != NULL);
 
diff --git a/ObjectiveGit/GTIndex.m b/ObjectiveGit/GTIndex.m
index 330cc6b0d..e3ef9ef4a 100644
--- a/ObjectiveGit/GTIndex.m
+++ b/ObjectiveGit/GTIndex.m
@@ -101,6 +101,13 @@ + (instancetype)indexWithFileURL:(NSURL *)fileURL repository:(GTRepository *)rep
 	return [[self alloc] initWithGitIndex:index repository:repository];
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_index *index = NULL;
+	return [self initWithGitIndex:index repository:[GTRepository new]];
+}
+
 - (id)initWithGitIndex:(git_index *)index repository:(GTRepository *)repository {
 	NSParameterAssert(index != NULL);
 	NSParameterAssert(repository != nil);
diff --git a/ObjectiveGit/GTIndexEntry.m b/ObjectiveGit/GTIndexEntry.m
index 8a6971c70..bc88f8af8 100644
--- a/ObjectiveGit/GTIndexEntry.m
+++ b/ObjectiveGit/GTIndexEntry.m
@@ -62,6 +62,13 @@ - (instancetype)initWithGitIndexEntry:(const git_index_entry *)entry index:(GTIn
 	return self;
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_index_entry *gitIndexEntry = NULL;
+	return [self initWithGitIndexEntry:gitIndexEntry];
+}
+
 - (instancetype)initWithGitIndexEntry:(const git_index_entry *)entry {
 	return [self initWithGitIndexEntry:entry index:nil error:NULL];
 }
diff --git a/ObjectiveGit/GTOID.m b/ObjectiveGit/GTOID.m
index f5d158169..410580b76 100644
--- a/ObjectiveGit/GTOID.m
+++ b/ObjectiveGit/GTOID.m
@@ -39,6 +39,13 @@ - (NSString *)SHA {
 
 #pragma mark Lifecycle
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_oid *gitOid = NULL;
+	return [self initWithGitOid:gitOid];
+}
+
 - (instancetype)initWithGitOid:(const git_oid *)oid {
 	NSParameterAssert(oid != NULL);
 
diff --git a/ObjectiveGit/GTObject.m b/ObjectiveGit/GTObject.m
index aa3eab5bc..334cf58e9 100644
--- a/ObjectiveGit/GTObject.m
+++ b/ObjectiveGit/GTObject.m
@@ -70,6 +70,13 @@ - (BOOL)isEqual:(id)otherObject {
 
 #pragma mark API 
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_object *gitObject = NULL;
+	return [self initWithObj:gitObject inRepository:[GTRepository new]];
+}
+
 - (id)initWithObj:(git_object *)object inRepository:(GTRepository *)repo {
 	NSParameterAssert(object != NULL);
 	NSParameterAssert(repo != nil);
diff --git a/ObjectiveGit/GTObjectDatabase.m b/ObjectiveGit/GTObjectDatabase.m
index 242f06655..5e2b4c71c 100644
--- a/ObjectiveGit/GTObjectDatabase.m
+++ b/ObjectiveGit/GTObjectDatabase.m
@@ -56,6 +56,12 @@ - (void)dealloc {
 
 #pragma mark API
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithRepository:[GTRepository new] error:nil];
+}
+
 - (instancetype)initWithRepository:(GTRepository *)repo error:(NSError **)error {
 	NSParameterAssert(repo != nil);
 
diff --git a/ObjectiveGit/GTOdbObject.m b/ObjectiveGit/GTOdbObject.m
index 3aedfd5bb..a4ceba8a9 100644
--- a/ObjectiveGit/GTOdbObject.m
+++ b/ObjectiveGit/GTOdbObject.m
@@ -7,6 +7,7 @@
 //
 
 #import "GTOdbObject.h"
+#import "GTRepository.h"
 #import "NSString+Git.h"
 #import "GTOID.h"
 #import "git2/odb.h"
@@ -31,6 +32,13 @@ - (NSString *)description {
 
 #pragma mark API
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_odb_object *odbObject = NULL;
+	return [self initWithOdbObj:odbObject repository:[GTRepository new]];
+}
+
 - (instancetype)initWithOdbObj:(git_odb_object *)object repository:(GTRepository *)repository {
 	NSParameterAssert(object != NULL);
 	NSParameterAssert(repository != nil);
diff --git a/ObjectiveGit/GTReference.m b/ObjectiveGit/GTReference.m
index a9e93cb0b..f5c706d1f 100644
--- a/ObjectiveGit/GTReference.m
+++ b/ObjectiveGit/GTReference.m
@@ -87,6 +87,13 @@ - (instancetype)initByResolvingSymbolicReference:(GTReference *)symbolicRef erro
 	return [self initWithGitReference:ref repository:symbolicRef.repository];
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_reference *gitReference = NULL;
+	return [self initWithGitReference:gitReference repository:[GTRepository new]];
+}
+
 - (instancetype)initWithGitReference:(git_reference *)ref repository:(GTRepository *)repo {
 	NSParameterAssert(ref != NULL);
 	NSParameterAssert(repo != nil);
diff --git a/ObjectiveGit/GTReflog.m b/ObjectiveGit/GTReflog.m
index 6ea1b4d02..52d49a6a1 100644
--- a/ObjectiveGit/GTReflog.m
+++ b/ObjectiveGit/GTReflog.m
@@ -33,6 +33,12 @@ - (void)dealloc {
 	if (_git_reflog != NULL) git_reflog_free(_git_reflog);
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithReference:nil];
+}
+
 - (instancetype)initWithReference:(GTReference *)reference {
 	NSParameterAssert(reference != nil);
 	NSParameterAssert(reference.name != nil);
diff --git a/ObjectiveGit/GTRemote.m b/ObjectiveGit/GTRemote.m
index ca91f8895..cb5c929f4 100644
--- a/ObjectiveGit/GTRemote.m
+++ b/ObjectiveGit/GTRemote.m
@@ -60,6 +60,13 @@ + (instancetype)remoteWithName:(NSString *)name inRepository:(GTRepository *)rep
 	return [[self alloc] initWithGitRemote:remote inRepository:repo];
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_remote *gitRemote = NULL;
+	return [self initWithGitRemote:gitRemote inRepository:[GTRepository new]];
+}
+
 - (instancetype)initWithGitRemote:(git_remote *)remote inRepository:(GTRepository *)repo {
 	NSParameterAssert(remote != NULL);
 	NSParameterAssert(repo != nil);
diff --git a/ObjectiveGit/GTRepository.m b/ObjectiveGit/GTRepository.m
index c08827420..18cfae7a6 100644
--- a/ObjectiveGit/GTRepository.m
+++ b/ObjectiveGit/GTRepository.m
@@ -157,6 +157,13 @@ + (instancetype)repositoryWithURL:(NSURL *)localFileURL error:(NSError **)error
 	return [[self alloc] initWithURL:localFileURL error:error];
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_repository *gitRepository = NULL;
+	return [self initWithGitRepository:gitRepository];
+}
+
 - (instancetype)initWithGitRepository:(git_repository *)repository {
 	NSParameterAssert(repository != nil);
 
diff --git a/ObjectiveGit/GTStatusDelta.m b/ObjectiveGit/GTStatusDelta.m
index 230691451..bc2ed6f44 100644
--- a/ObjectiveGit/GTStatusDelta.m
+++ b/ObjectiveGit/GTStatusDelta.m
@@ -12,6 +12,13 @@
 
 @implementation GTStatusDelta
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_diff_delta *gitDiffDelta = NULL;
+	return [self initWithGitDiffDelta:gitDiffDelta];
+}
+
 - (instancetype)initWithGitDiffDelta:(const git_diff_delta *)delta {
 	self = [super init];
 	if (self == nil || delta == NULL) return nil;
diff --git a/ObjectiveGit/GTSubmodule.m b/ObjectiveGit/GTSubmodule.m
index b6b8c5eee..3258fe2ed 100644
--- a/ObjectiveGit/GTSubmodule.m
+++ b/ObjectiveGit/GTSubmodule.m
@@ -83,6 +83,13 @@ - (void)dealloc {
 	}
 }
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	git_submodule *gitSubmodule = NULL;
+	return [self initWithGitSubmodule:gitSubmodule parentRepository:[GTRepository new]];
+}
+
 - (instancetype)initWithGitSubmodule:(git_submodule *)submodule parentRepository:(GTRepository *)repository {
 	NSParameterAssert(submodule != NULL);
 	NSParameterAssert(repository != nil);
diff --git a/ObjectiveGit/GTTreeBuilder.m b/ObjectiveGit/GTTreeBuilder.m
index 773ba2da7..ee2be1340 100644
--- a/ObjectiveGit/GTTreeBuilder.m
+++ b/ObjectiveGit/GTTreeBuilder.m
@@ -62,6 +62,12 @@ - (NSUInteger)entryCount {
 
 #pragma mark Lifecycle
 
+// XCode 7+ require overriding super designated initializers
+- (instancetype)init
+{
+	return [self initWithTree:nil repository:[GTRepository new] error:nil];
+}
+
 - (instancetype)initWithTree:(GTTree *)treeOrNil repository:(GTRepository *)repository error:(NSError **)error {
 	NSParameterAssert(repository != nil);